diff --git a/data/test/tabletserver/exec_cases.txt b/data/test/tabletserver/exec_cases.txt
index 4fb2d9c4903..17b2d064124 100644
--- a/data/test/tabletserver/exec_cases.txt
+++ b/data/test/tabletserver/exec_cases.txt
@@ -1036,6 +1036,30 @@
   "PKValues":[":a"]
 }
 
+# insert no values autoinc
+"insert into auto values ()"
+{
+  "PlanID": "INSERT_PK",
+  "TableName": "auto",
+  "FullQuery": "insert into auto values ()",
+  "OuterQuery": "insert into auto(id) values (null)",
+  "PKValues":[
+    [null]
+  ]
+}
+
+# insert no values defaults
+"insert into with_defaults values ()"
+{
+  "PlanID": "INSERT_PK",
+  "TableName": "with_defaults",
+  "FullQuery": "insert into with_defaults values ()",
+  "OuterQuery": "insert into with_defaults(aid, bid, cid) values (3, -2, null)",
+  "PKValues":[
+    3
+  ]
+}
+
 # nextval on non-sequence table
 "select next value from a"
 "a is not a sequence"
diff --git a/data/test/tabletserver/schema_test.json b/data/test/tabletserver/schema_test.json
index 29c710c0d51..1a23e93eea4 100644
--- a/data/test/tabletserver/schema_test.json
+++ b/data/test/tabletserver/schema_test.json
@@ -247,6 +247,68 @@
     ],
     "Type": 1
   },
+  {
+    "Name": "auto",
+    "Columns": [
+      {
+        "Name": "id",
+        "IsAuto": true
+      }
+    ],
+    "Indexes": [
+      {
+        "Name": "PRIMARY",
+        "Unique": true,
+        "Columns": [
+          "id"
+        ],
+        "Cardinality": [
+          1
+        ],
+        "DataColumns": [
+        ]
+      }
+    ],
+    "PKColumns": [
+      0
+    ],
+    "Type": 0
+  },
+  {
+    "Name": "with_defaults",
+    "Columns": [
+      {
+        "Name": "aid",
+        "Default": 3
+      },
+      {
+        "Name": "bid",
+        "Default": -2
+      },
+      {
+        "Name": "cid",
+        "Default": null
+      }
+    ],
+    "Indexes": [
+      {
+        "Name": "PRIMARY",
+        "Unique": true,
+        "Columns": [
+          "id"
+        ],
+        "Cardinality": [
+          1
+        ],
+        "DataColumns": [
+        ]
+      }
+    ],
+    "PKColumns": [
+      0
+    ],
+    "Type": 0
+  },
   {
     "Name": "msg",
     "Columns": [
diff --git a/go/sqltypes/type.go b/go/sqltypes/type.go
index 67a65b226b6..6f9d8e7b28f 100644
--- a/go/sqltypes/type.go
+++ b/go/sqltypes/type.go
@@ -104,6 +104,10 @@ func isNumber(t querypb.Type) bool {
 // neither binary or text.
 // querypb.Type_TUPLE is not included in this list
 // because it's not a valid Value type.
+// TODO(sougou): provide a categorization function
+// that returns enums, which will allow for cleaner
+// switch statements for those who want to cover types
+// by their category.
 const (
 	Null       = querypb.Type_NULL_TYPE
 	Int8       = querypb.Type_INT8
diff --git a/go/vt/sqlparser/ast.go b/go/vt/sqlparser/ast.go
index 9f79c9967fb..131ea9e6c0f 100644
--- a/go/vt/sqlparser/ast.go
+++ b/go/vt/sqlparser/ast.go
@@ -27,6 +27,8 @@ import (
 
 	"github.com/youtube/vitess/go/sqltypes"
 	querypb "github.com/youtube/vitess/go/vt/proto/query"
+	vtrpcpb "github.com/youtube/vitess/go/vt/proto/vtrpc"
+	"github.com/youtube/vitess/go/vt/vterrors"
 )
 
 // Instructions for creating new types: If a type
@@ -1770,6 +1772,24 @@ func (node *ExistsExpr) WalkSubtree(visit Visit) error {
 	)
 }
 
+// ExprFromValue converts the given Value into an Expr or returns an error.
+func ExprFromValue(value sqltypes.Value) (Expr, error) {
+	// The type checks here follow the rules defined in sqltypes/types.go.
+	switch {
+	case value.Type() == sqltypes.Null:
+		return &NullVal{}, nil
+	case value.IsIntegral():
+		return NewIntVal(value.ToBytes()), nil
+	case value.IsFloat() || value.Type() == sqltypes.Decimal:
+		return NewFloatVal(value.ToBytes()), nil
+	case value.IsQuoted():
+		return NewStrVal(value.ToBytes()), nil
+	default:
+		// We cannot support sqltypes.Expression, or any other invalid type.
+		return nil, vterrors.Errorf(vtrpcpb.Code_INTERNAL, "cannot convert value %v to AST", value)
+	}
+}
+
 // ValType specifies the type for SQLVal.
 type ValType int
 
diff --git a/go/vt/sqlparser/ast_test.go b/go/vt/sqlparser/ast_test.go
index 993746c4cf4..3df96370a2d 100644
--- a/go/vt/sqlparser/ast_test.go
+++ b/go/vt/sqlparser/ast_test.go
@@ -22,6 +22,8 @@ import (
 	"reflect"
 	"testing"
 	"unsafe"
+
+	"github.com/youtube/vitess/go/sqltypes"
 )
 
 func TestAppend(t *testing.T) {
@@ -199,6 +201,47 @@ func TestIsAggregate(t *testing.T) {
 	}
 }
 
+func TestExprFromValue(t *testing.T) {
+	tcases := []struct {
+		in  sqltypes.Value
+		out SQLNode
+		err string
+	}{{
+		in:  sqltypes.NULL,
+		out: &NullVal{},
+	}, {
+		in:  sqltypes.NewInt64(1),
+		out: NewIntVal([]byte("1")),
+	}, {
+		in:  sqltypes.NewFloat64(1.1),
+		out: NewFloatVal([]byte("1.1")),
+	}, {
+		in:  sqltypes.MakeTrusted(sqltypes.Decimal, []byte("1.1")),
+		out: NewFloatVal([]byte("1.1")),
+	}, {
+		in:  sqltypes.NewVarChar("aa"),
+		out: NewStrVal([]byte("aa")),
+	}, {
+		in:  sqltypes.MakeTrusted(sqltypes.Expression, []byte("rand()")),
+		err: "cannot convert value EXPRESSION(rand()) to AST",
+	}}
+	for _, tcase := range tcases {
+		got, err := ExprFromValue(tcase.in)
+		if tcase.err != "" {
+			if err == nil || err.Error() != tcase.err {
+				t.Errorf("ExprFromValue(%v) err: %v, want %s", tcase.in, err, tcase.err)
+			}
+			continue
+		}
+		if err != nil {
+			t.Error(err)
+		}
+		if got, want := got, tcase.out; !reflect.DeepEqual(got, want) {
+			t.Errorf("ExprFromValue(%v): %v, want %s", tcase.in, got, want)
+		}
+	}
+}
+
 func TestColNameEqual(t *testing.T) {
 	var c1, c2 *ColName
 	if c1.Equal(c2) {
diff --git a/go/vt/sqlparser/parse_test.go b/go/vt/sqlparser/parse_test.go
index f2648ec1f7c..c5ccf1faad9 100644
--- a/go/vt/sqlparser/parse_test.go
+++ b/go/vt/sqlparser/parse_test.go
@@ -637,6 +637,12 @@ func TestValid(t *testing.T) {
 	}, {
 		input:  "set character set utf8",
 		output: "set ",
+	}, {
+		input:  "set character set 'utf8'",
+		output: "set ",
+	}, {
+		input:  "set character set \"utf8\"",
+		output: "set ",
 	}, {
 		input:  "set charset default",
 		output: "set ",
diff --git a/go/vt/sqlparser/sql.go b/go/vt/sqlparser/sql.go
index 0e505eece6b..47581a3cd7e 100644
--- a/go/vt/sqlparser/sql.go
+++ b/go/vt/sqlparser/sql.go
@@ -1,9 +1,9 @@
-//line sql.y:18
+//line ./go/vt/sqlparser/sql.y:18
 package sqlparser
 
 import __yyfmt__ "fmt"
 
-//line sql.y:18
+//line ./go/vt/sqlparser/sql.y:18
 func setParseTree(yylex interface{}, stmt Statement) {
 	yylex.(*Tokenizer).ParseTree = stmt
 }
@@ -32,7 +32,7 @@ func forceEOF(yylex interface{}) {
 	yylex.(*Tokenizer).ForceEOF = true
 }
 
-//line sql.y:50
+//line ./go/vt/sqlparser/sql.y:50
 type yySymType struct {
 	yys               int
 	empty             struct{}
@@ -491,503 +491,491 @@ var yyExca = [...]int{
 	5, 21,
 	-2, 4,
 	-1, 263,
-	77, 550,
-	105, 550,
+	77, 552,
+	105, 552,
 	-2, 38,
 	-1, 265,
-	77, 572,
-	105, 572,
+	77, 574,
+	105, 574,
 	-2, 40,
 	-1, 270,
-	105, 451,
-	-2, 447,
+	105, 453,
+	-2, 449,
 	-1, 271,
-	105, 452,
-	-2, 448,
-	-1, 539,
-	5, 21,
-	-2, 398,
-	-1, 576,
 	105, 454,
 	-2, 450,
-	-1, 729,
+	-1, 541,
+	5, 21,
+	-2, 400,
+	-1, 578,
+	105, 456,
+	-2, 452,
+	-1, 731,
 	5, 22,
-	-2, 276,
-	-1, 820,
+	-2, 278,
+	-1, 822,
 	5, 22,
-	-2, 399,
-	-1, 892,
-	5, 21,
 	-2, 401,
-	-1, 959,
+	-1, 894,
+	5, 21,
+	-2, 403,
+	-1, 961,
 	5, 22,
-	-2, 402,
+	-2, 404,
 }
 
-const yyNprod = 611
 const yyPrivate = 57344
 
-var yyTokenNames []string
-var yyStates []string
-
-const yyLast = 7223
+const yyLast = 7320
 
 var yyAct = [...]int{
 
-	328, 37, 964, 289, 498, 835, 327, 897, 717, 302,
-	262, 615, 602, 567, 718, 235, 869, 790, 376, 437,
-	43, 681, 674, 377, 3, 575, 579, 782, 753, 578,
-	714, 698, 684, 291, 271, 651, 588, 300, 37, 350,
-	365, 273, 250, 42, 356, 380, 240, 683, 266, 244,
-	251, 255, 611, 991, 392, 47, 596, 982, 631, 62,
-	988, 234, 267, 977, 135, 227, 986, 981, 976, 249,
-	882, 929, 629, 277, 439, 49, 50, 51, 52, 228,
-	749, 595, 839, 951, 134, 227, 227, 603, 924, 922,
-	985, 227, 983, 965, 304, 773, 283, 635, 906, 590,
-	18, 38, 20, 21, 619, 388, 628, 284, 279, 560,
-	562, 126, 229, 230, 231, 232, 233, 125, 31, 126,
-	870, 445, 440, 22, 732, 274, 731, 297, 967, 465,
-	464, 474, 475, 467, 468, 469, 470, 471, 472, 473,
-	466, 30, 872, 476, 40, 254, 387, 128, 129, 130,
-	510, 730, 770, 625, 630, 623, 590, 275, 772, 280,
-	227, 799, 227, 874, 131, 878, 227, 873, 127, 871,
-	488, 489, 936, 914, 876, 633, 636, 453, 452, 561,
-	823, 794, 743, 875, 736, 603, 589, 497, 877, 879,
-	907, 587, 905, 586, 454, 396, 384, 466, 754, 627,
-	476, 476, 24, 25, 27, 26, 28, 848, 451, 454,
-	658, 395, 288, 626, 884, 389, 29, 32, 33, 975,
-	452, 34, 35, 36, 656, 657, 655, 286, 699, 290,
-	800, 699, 442, 806, 747, 632, 454, 644, 646, 647,
-	968, 37, 645, 589, 943, 771, 634, 769, 467, 468,
-	469, 470, 471, 472, 473, 466, 378, 849, 476, 352,
-	358, 453, 452, 910, 353, 465, 464, 474, 475, 467,
-	468, 469, 470, 471, 472, 473, 466, 438, 454, 476,
-	909, 962, 438, 227, 39, 453, 452, 762, 40, 592,
-	227, 227, 886, 227, 593, 761, 62, 354, 654, 485,
-	487, 444, 454, 325, 469, 470, 471, 472, 473, 466,
-	750, 62, 476, 227, 954, 227, 62, 908, 227, 456,
-	760, 227, 775, 776, 777, 675, 496, 676, 60, 500,
-	501, 502, 503, 504, 505, 506, 390, 509, 511, 511,
-	511, 511, 511, 511, 511, 511, 519, 520, 521, 522,
-	254, 972, 290, 455, 938, 290, 268, 528, 902, 901,
-	540, 788, 290, 290, 255, 255, 255, 255, 527, 453,
-	452, 847, 267, 542, 854, 853, 851, 850, 947, 378,
-	556, 557, 837, 539, 525, 526, 454, 255, 822, 290,
-	62, 744, 689, 290, 486, 227, 677, 436, 227, 227,
-	227, 227, 558, 267, 529, 569, 543, 285, 545, 227,
-	564, 363, 290, 227, 554, 544, 227, 546, 274, 227,
-	946, 227, 227, 604, 605, 606, 844, 563, 453, 452,
-	398, 397, 62, 490, 491, 492, 493, 494, 495, 566,
-	583, 815, 572, 18, 715, 454, 393, 617, 689, 393,
-	438, 576, 362, 801, 818, 363, 852, 568, 254, 254,
-	254, 254, 598, 599, 600, 601, 652, 788, 891, 639,
-	571, 574, 580, 254, 363, 227, 737, 608, 609, 610,
-	227, 254, 788, 227, 62, 613, 614, 40, 37, 512,
-	513, 514, 515, 516, 517, 518, 44, 363, 568, 453,
-	452, 500, 690, 686, 464, 474, 475, 467, 468, 469,
-	470, 471, 472, 473, 466, 701, 454, 476, 523, 840,
-	841, 842, 18, 40, 558, 597, 678, 679, 843, 241,
-	62, 616, 18, 788, 740, 612, 607, 124, 393, 720,
-	54, 37, 703, 763, 62, 719, 725, 267, 716, 691,
-	692, 696, 576, 695, 653, 537, 724, 538, 715, 448,
-	16, 707, 729, 706, 721, 391, 40, 702, 535, 704,
-	705, 728, 688, 40, 551, 62, 40, 727, 548, 552,
-	391, 547, 713, 735, 984, 391, 650, 248, 733, 659,
-	660, 661, 662, 663, 664, 665, 666, 667, 668, 669,
-	670, 671, 672, 673, 549, 738, 239, 245, 246, 550,
-	980, 751, 752, 62, 774, 979, 367, 370, 371, 372,
-	368, 438, 369, 373, 742, 640, 726, 316, 315, 318,
-	319, 320, 321, 756, 757, 758, 317, 322, 357, 553,
-	765, 371, 372, 367, 370, 371, 372, 368, 860, 369,
-	373, 355, 712, 580, 62, 62, 711, 755, 394, 531,
-	746, 945, 652, 944, 889, 741, 268, 816, 465, 464,
-	474, 475, 467, 468, 469, 470, 471, 472, 473, 466,
-	292, 785, 476, 912, 375, 786, 621, 447, 357, 795,
-	710, 778, 293, 242, 243, 797, 798, 268, 709, 802,
-	391, 391, 766, 236, 808, 957, 809, 810, 811, 812,
-	474, 475, 467, 468, 469, 470, 471, 472, 473, 466,
-	237, 62, 476, 44, 819, 820, 821, 956, 932, 805,
-	787, 827, 828, 829, 568, 933, 450, 46, 48, 386,
-	294, 351, 41, 227, 803, 824, 1, 817, 624, 830,
-	653, 963, 834, 391, 465, 464, 474, 475, 467, 468,
-	469, 470, 471, 472, 473, 466, 833, 832, 476, 585,
-	577, 62, 62, 272, 62, 62, 53, 584, 759, 904,
-	845, 846, 838, 591, 779, 780, 781, 748, 594, 942,
-	745, 863, 783, 401, 402, 400, 404, 403, 227, 680,
-	457, 391, 227, 399, 132, 374, 379, 859, 62, 865,
-	789, 831, 580, 700, 580, 618, 255, 868, 881, 720,
-	867, 864, 893, 880, 883, 719, 62, 55, 887, 768,
-	767, 622, 499, 890, 888, 278, 899, 900, 484, 508,
-	896, 268, 708, 261, 723, 892, 722, 524, 857, 576,
-	227, 349, 955, 931, 804, 507, 438, 62, 62, 738,
-	697, 303, 62, 62, 62, 643, 314, 62, 311, 688,
-	313, 312, 915, 916, 530, 911, 536, 458, 301, 295,
-	559, 253, 391, 927, 925, 926, 920, 359, 366, 326,
-	62, 364, 720, 903, 37, 259, 252, 814, 719, 573,
-	934, 937, 928, 939, 940, 966, 534, 580, 941, 19,
-	254, 861, 862, 948, 45, 247, 15, 935, 14, 13,
-	225, 12, 23, 764, 391, 11, 256, 917, 918, 10,
-	919, 950, 953, 921, 9, 923, 8, 62, 7, 959,
-	257, 257, 269, 267, 958, 6, 257, 5, 4, 62,
-	238, 17, 2, 0, 0, 0, 641, 642, 0, 648,
-	649, 0, 970, 0, 0, 0, 0, 971, 0, 0,
-	974, 62, 0, 62, 0, 978, 0, 0, 260, 0,
-	0, 0, 0, 276, 0, 0, 987, 0, 913, 831,
-	792, 0, 0, 992, 993, 0, 0, 0, 0, 0,
-	62, 0, 0, 0, 499, 0, 0, 693, 694, 0,
-	0, 0, 0, 0, 0, 257, 0, 257, 0, 0,
-	0, 257, 0, 0, 0, 0, 0, 351, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 784,
-	391, 391, 0, 391, 836, 0, 0, 0, 0, 0,
-	0, 0, 281, 0, 282, 952, 0, 0, 287, 465,
-	464, 474, 475, 467, 468, 469, 470, 471, 472, 473,
-	466, 0, 734, 476, 0, 0, 0, 858, 465, 464,
-	474, 475, 467, 468, 469, 470, 471, 472, 473, 466,
-	0, 0, 476, 0, 0, 792, 0, 0, 391, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 989, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 894, 895, 0, 0,
-	0, 898, 898, 898, 0, 0, 391, 0, 257, 0,
-	0, 0, 0, 0, 0, 257, 382, 0, 257, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 391,
-	0, 0, 0, 0, 0, 0, 0, 0, 257, 0,
-	257, 0, 0, 257, 0, 361, 257, 0, 0, 0,
-	0, 0, 0, 0, 0, 385, 0, 0, 0, 0,
-	0, 0, 0, 796, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 807, 0, 441, 836, 443, 0, 0,
-	446, 0, 0, 449, 0, 0, 0, 0, 391, 0,
-	0, 0, 0, 0, 499, 0, 0, 0, 0, 825,
-	826, 0, 0, 0, 0, 0, 0, 268, 0, 0,
-	960, 0, 961, 0, 0, 0, 0, 0, 0, 0,
-	257, 0, 269, 257, 257, 257, 257, 0, 0, 0,
-	0, 0, 0, 0, 555, 0, 0, 0, 257, 973,
-	0, 382, 0, 0, 565, 0, 257, 257, 0, 0,
-	0, 0, 0, 269, 0, 0, 565, 541, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	885, 0, 0, 0, 570, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	257, 0, 0, 0, 0, 257, 0, 0, 257, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 95, 0, 0, 0, 0, 0, 620, 0, 0,
-	76, 0, 637, 0, 0, 638, 84, 0, 0, 103,
-	91, 0, 0, 0, 0, 0, 687, 565, 0, 0,
-	930, 687, 687, 0, 0, 687, 0, 61, 0, 0,
-	0, 0, 0, 0, 0, 0, 71, 0, 0, 687,
-	687, 687, 687, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 687, 0, 0, 269, 0, 0,
-	0, 0, 465, 464, 474, 475, 467, 468, 469, 470,
-	471, 472, 473, 466, 0, 0, 476, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 224,
-	969, 499, 0, 0, 0, 98, 0, 0, 0, 72,
-	0, 102, 96, 113, 0, 97, 101, 85, 107, 65,
-	111, 105, 89, 80, 81, 64, 0, 100, 75, 79,
-	74, 94, 108, 109, 73, 122, 68, 117, 67, 69,
-	116, 93, 106, 112, 90, 87, 66, 110, 88, 86,
-	82, 77, 0, 0, 0, 104, 114, 123, 0, 0,
-	118, 119, 120, 92, 70, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	63, 0, 83, 121, 99, 78, 115, 407, 0, 0,
+	328, 37, 966, 289, 500, 837, 327, 719, 899, 302,
+	262, 604, 617, 439, 720, 235, 376, 676, 871, 394,
+	581, 792, 577, 377, 3, 683, 686, 784, 580, 716,
+	685, 569, 700, 755, 271, 653, 350, 43, 37, 590,
+	613, 291, 228, 266, 441, 273, 240, 251, 356, 134,
+	47, 255, 42, 380, 993, 244, 984, 990, 979, 62,
+	988, 234, 267, 365, 135, 227, 983, 249, 300, 884,
+	49, 50, 51, 52, 250, 229, 230, 231, 232, 233,
+	931, 277, 978, 633, 598, 227, 227, 751, 597, 841,
+	953, 227, 605, 926, 304, 924, 987, 631, 969, 467,
+	466, 476, 477, 469, 470, 471, 472, 473, 474, 475,
+	468, 985, 967, 478, 18, 38, 20, 21, 872, 775,
+	592, 297, 637, 621, 283, 284, 801, 562, 564, 908,
+	388, 630, 31, 772, 279, 126, 125, 22, 126, 774,
+	874, 447, 455, 454, 442, 254, 274, 128, 129, 130,
+	490, 491, 734, 733, 732, 30, 275, 512, 40, 456,
+	227, 876, 227, 880, 280, 875, 227, 873, 131, 127,
+	938, 387, 878, 916, 325, 288, 592, 825, 627, 632,
+	625, 877, 796, 738, 499, 453, 879, 881, 398, 384,
+	468, 756, 605, 478, 478, 802, 397, 563, 456, 60,
+	635, 638, 745, 886, 701, 455, 454, 591, 444, 850,
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+	81, 64, 0, 100, 75, 79, 74, 94, 108, 109,
+	73, 122, 68, 117, 67, 69, 116, 93, 106, 112,
+	90, 87, 66, 110, 88, 86, 82, 77, 0, 0,
+	0, 104, 114, 123, 0, 0, 118, 119, 120, 92,
+	70, 337, 346, 343, 344, 341, 342, 340, 339, 338,
+	348, 331, 332, 334, 18, 333, 63, 0, 83, 121,
+	99, 78, 115, 0, 0, 95, 0, 0, 0, 0,
+	299, 0, 0, 0, 76, 0, 298, 0, 0, 336,
+	84, 0, 0, 103, 91, 0, 0, 0, 0, 329,
+	330, 0, 0, 0, 0, 0, 0, 0, 40, 0,
+	0, 270, 316, 315, 318, 319, 320, 321, 0, 0,
+	71, 317, 322, 323, 324, 0, 0, 296, 309, 0,
+	335, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	306, 307, 0, 0, 0, 0, 347, 0, 308, 0,
+	0, 305, 310, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 224, 0, 0, 345, 0, 0, 98,
+	0, 0, 0, 72, 0, 102, 96, 113, 0, 97,
+	101, 85, 107, 65, 111, 105, 89, 80, 81, 64,
+	0, 100, 75, 79, 74, 94, 108, 109, 73, 122,
+	68, 117, 67, 69, 116, 93, 106, 112, 90, 87,
+	66, 110, 88, 86, 82, 77, 0, 0, 0, 104,
+	114, 123, 0, 0, 118, 119, 120, 92, 70, 337,
+	346, 343, 344, 341, 342, 340, 339, 338, 348, 331,
+	332, 334, 0, 333, 63, 0, 83, 121, 99, 78,
+	115, 95, 0, 0, 0, 0, 299, 0, 0, 0,
+	76, 0, 298, 0, 0, 336, 84, 0, 0, 103,
 	91, 0, 0, 0, 0, 329, 330, 0, 0, 0,
 	0, 0, 0, 0, 40, 0, 0, 270, 316, 315,
 	318, 319, 320, 321, 0, 0, 71, 317, 322, 323,
-	324, 0, 0, 0, 309, 0, 335, 0, 0, 0,
+	324, 0, 0, 296, 309, 0, 335, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 306, 307, 0, 0,
 	0, 0, 347, 0, 308, 0, 0, 305, 310, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 224,
 	0, 0, 345, 0, 0, 98, 0, 0, 0, 72,
-	0, 102, 96, 113, 990, 97, 101, 85, 107, 65,
+	0, 102, 96, 113, 0, 97, 101, 85, 107, 65,
 	111, 105, 89, 80, 81, 64, 0, 100, 75, 79,
 	74, 94, 108, 109, 73, 122, 68, 117, 67, 69,
 	116, 93, 106, 112, 90, 87, 66, 110, 88, 86,
@@ -1005,58 +993,58 @@ var yyAct = [...]int{
 	0, 308, 0, 0, 305, 310, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 224, 0, 0, 345,
 	0, 0, 98, 0, 0, 0, 72, 0, 102, 96,
-	113, 0, 97, 101, 85, 107, 65, 111, 105, 89,
+	113, 992, 97, 101, 85, 107, 65, 111, 105, 89,
 	80, 81, 64, 0, 100, 75, 79, 74, 94, 108,
 	109, 73, 122, 68, 117, 67, 69, 116, 93, 106,
 	112, 90, 87, 66, 110, 88, 86, 82, 77, 0,
 	0, 0, 104, 114, 123, 0, 0, 118, 119, 120,
 	92, 70, 337, 346, 343, 344, 341, 342, 340, 339,
-	338, 348, 331, 332, 334, 0, 333, 63, 0, 83,
-	121, 99, 78, 115, 95, 0, 0, 0, 791, 0,
-	0, 0, 0, 76, 0, 0, 0, 0, 0, 84,
-	0, 0, 103, 91, 0, 0, 0, 0, 0, 0,
+	338, 348, 331, 332, 334, 95, 333, 63, 0, 83,
+	121, 99, 78, 115, 76, 0, 0, 0, 0, 336,
+	84, 0, 0, 103, 91, 0, 0, 0, 0, 329,
+	330, 0, 0, 0, 0, 0, 0, 0, 40, 0,
+	0, 270, 316, 315, 318, 319, 320, 321, 0, 0,
+	71, 317, 322, 323, 324, 0, 0, 0, 309, 0,
+	335, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	61, 0, 793, 0, 0, 0, 0, 0, 0, 71,
-	0, 0, 0, 0, 453, 452, 0, 0, 0, 0,
-	0, 0, 0, 0, 460, 0, 463, 0, 0, 0,
-	0, 454, 477, 478, 479, 480, 481, 482, 483, 0,
-	461, 462, 459, 465, 464, 474, 475, 467, 468, 469,
-	470, 471, 472, 473, 466, 0, 0, 476, 0, 0,
-	0, 0, 224, 0, 0, 0, 0, 0, 98, 0,
-	0, 0, 72, 0, 102, 96, 113, 0, 97, 101,
-	85, 107, 65, 111, 105, 89, 80, 81, 64, 0,
-	100, 75, 79, 74, 94, 108, 109, 73, 122, 68,
-	117, 67, 69, 116, 93, 106, 112, 90, 87, 66,
-	110, 88, 86, 82, 77, 0, 0, 0, 104, 114,
-	123, 95, 0, 118, 119, 120, 92, 70, 0, 0,
+	306, 307, 0, 0, 0, 0, 347, 0, 308, 0,
+	0, 305, 310, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 224, 0, 0, 345, 0, 0, 98,
+	0, 0, 0, 72, 0, 102, 96, 113, 0, 97,
+	101, 85, 107, 65, 111, 105, 89, 80, 81, 64,
+	0, 100, 75, 79, 74, 94, 108, 109, 73, 122,
+	68, 117, 67, 69, 116, 93, 106, 112, 90, 87,
+	66, 110, 88, 86, 82, 77, 0, 0, 0, 104,
+	114, 123, 0, 0, 118, 119, 120, 92, 70, 337,
+	346, 343, 344, 341, 342, 340, 339, 338, 348, 331,
+	332, 334, 0, 333, 63, 0, 83, 121, 99, 78,
+	115, 95, 0, 0, 0, 793, 0, 0, 0, 0,
 	76, 0, 0, 0, 0, 0, 84, 0, 0, 103,
-	91, 0, 0, 63, 0, 83, 121, 99, 78, 115,
-	0, 0, 0, 0, 0, 0, 0, 61, 0, 0,
+	91, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 61, 0, 795,
 	0, 0, 0, 0, 0, 0, 71, 0, 0, 0,
-	0, 57, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 455, 454, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 456, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 58, 0, 56,
-	0, 0, 0, 59, 0, 98, 0, 0, 0, 72,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 224,
+	0, 0, 0, 0, 0, 98, 0, 0, 0, 72,
 	0, 102, 96, 113, 0, 97, 101, 85, 107, 65,
 	111, 105, 89, 80, 81, 64, 0, 100, 75, 79,
 	74, 94, 108, 109, 73, 122, 68, 117, 67, 69,
 	116, 93, 106, 112, 90, 87, 66, 110, 88, 86,
-	82, 77, 0, 0, 0, 104, 114, 123, 0, 0,
-	118, 119, 120, 92, 70, 0, 0, 18, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 95, 0,
-	63, 0, 83, 121, 99, 78, 115, 76, 0, 0,
+	82, 77, 0, 0, 0, 104, 114, 123, 95, 0,
+	118, 119, 120, 92, 70, 0, 0, 76, 0, 0,
 	0, 0, 0, 84, 0, 0, 103, 91, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 40, 0, 0, 61, 0, 0, 0, 0, 0,
-	0, 0, 0, 71, 0, 0, 0, 0, 0, 0,
+	63, 0, 83, 121, 99, 78, 115, 0, 0, 0,
+	0, 0, 0, 0, 61, 0, 0, 0, 0, 0,
+	0, 0, 0, 71, 0, 0, 0, 0, 57, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 224, 0, 0, 0,
-	0, 0, 98, 0, 0, 0, 72, 0, 102, 96,
+	0, 0, 0, 0, 58, 0, 56, 0, 0, 0,
+	59, 0, 98, 0, 0, 0, 72, 0, 102, 96,
 	113, 0, 97, 101, 85, 107, 65, 111, 105, 89,
 	80, 81, 64, 0, 100, 75, 79, 74, 94, 108,
 	109, 73, 122, 68, 117, 67, 69, 116, 93, 106,
@@ -1067,7 +1055,7 @@ var yyAct = [...]int{
 	121, 99, 78, 115, 76, 0, 0, 0, 0, 0,
 	84, 0, 0, 103, 91, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 40, 0,
-	0, 226, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 61, 0, 0, 0, 0, 0, 0, 0, 0,
 	71, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -1079,11 +1067,13 @@ var yyAct = [...]int{
 	0, 100, 75, 79, 74, 94, 108, 109, 73, 122,
 	68, 117, 67, 69, 116, 93, 106, 112, 90, 87,
 	66, 110, 88, 86, 82, 77, 0, 0, 0, 104,
-	114, 123, 95, 0, 118, 119, 120, 92, 70, 0,
-	0, 76, 0, 0, 0, 0, 0, 84, 0, 0,
-	103, 91, 0, 0, 63, 0, 83, 121, 99, 78,
-	115, 0, 0, 0, 0, 0, 0, 0, 61, 0,
-	0, 532, 0, 0, 533, 0, 0, 71, 0, 0,
+	114, 123, 0, 0, 118, 119, 120, 92, 70, 0,
+	0, 18, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 95, 0, 63, 0, 83, 121, 99, 78,
+	115, 76, 0, 0, 0, 0, 0, 84, 0, 0,
+	103, 91, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 40, 0, 0, 226, 0,
+	0, 0, 0, 0, 0, 0, 0, 71, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -1094,28 +1084,28 @@ var yyAct = [...]int{
 	65, 111, 105, 89, 80, 81, 64, 0, 100, 75,
 	79, 74, 94, 108, 109, 73, 122, 68, 117, 67,
 	69, 116, 93, 106, 112, 90, 87, 66, 110, 88,
-	86, 82, 77, 0, 0, 0, 104, 114, 123, 0,
-	0, 118, 119, 120, 92, 70, 0, 0, 0, 0,
-	0, 0, 0, 95, 0, 0, 0, 381, 0, 0,
-	0, 63, 76, 83, 121, 99, 78, 115, 84, 0,
-	0, 103, 91, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 226,
-	0, 383, 0, 0, 0, 0, 0, 0, 71, 0,
+	86, 82, 77, 0, 0, 0, 104, 114, 123, 95,
+	0, 118, 119, 120, 92, 70, 0, 0, 76, 0,
+	0, 0, 0, 0, 84, 0, 0, 103, 91, 0,
+	0, 63, 0, 83, 121, 99, 78, 115, 0, 0,
+	0, 0, 0, 0, 0, 61, 0, 0, 534, 0,
+	0, 535, 0, 0, 71, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 224, 0, 0,
+	0, 0, 0, 98, 0, 0, 0, 72, 0, 102,
+	96, 113, 0, 97, 101, 85, 107, 65, 111, 105,
+	89, 80, 81, 64, 0, 100, 75, 79, 74, 94,
+	108, 109, 73, 122, 68, 117, 67, 69, 116, 93,
+	106, 112, 90, 87, 66, 110, 88, 86, 82, 77,
+	0, 0, 0, 104, 114, 123, 0, 0, 118, 119,
+	120, 92, 70, 0, 0, 0, 0, 0, 0, 0,
+	95, 0, 0, 0, 381, 0, 0, 0, 63, 76,
+	83, 121, 99, 78, 115, 84, 0, 0, 103, 91,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 224, 0, 0, 0, 0, 0, 98, 0, 0,
-	0, 72, 0, 102, 96, 113, 0, 97, 101, 85,
-	107, 65, 111, 105, 89, 80, 81, 64, 0, 100,
-	75, 79, 74, 94, 108, 109, 73, 122, 68, 117,
-	67, 69, 116, 93, 106, 112, 90, 87, 66, 110,
-	88, 86, 82, 77, 0, 0, 0, 104, 114, 123,
-	95, 0, 118, 119, 120, 92, 70, 0, 0, 76,
-	0, 0, 0, 0, 0, 84, 0, 0, 103, 91,
-	0, 0, 63, 0, 83, 121, 99, 78, 115, 0,
-	0, 0, 0, 40, 0, 0, 226, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 226, 0, 383, 0,
 	0, 0, 0, 0, 0, 71, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -1131,7 +1121,7 @@ var yyAct = [...]int{
 	119, 120, 92, 70, 0, 0, 76, 0, 0, 0,
 	0, 0, 84, 0, 0, 103, 91, 0, 0, 63,
 	0, 83, 121, 99, 78, 115, 0, 0, 0, 0,
-	0, 0, 0, 61, 0, 793, 0, 0, 0, 0,
+	40, 0, 0, 226, 0, 0, 0, 0, 0, 0,
 	0, 0, 71, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -1147,7 +1137,7 @@ var yyAct = [...]int{
 	70, 0, 0, 76, 0, 0, 0, 0, 0, 84,
 	0, 0, 103, 91, 0, 0, 63, 0, 83, 121,
 	99, 78, 115, 0, 0, 0, 0, 0, 0, 0,
-	226, 0, 383, 0, 0, 0, 0, 0, 0, 71,
+	61, 0, 795, 0, 0, 0, 0, 0, 0, 71,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -1159,10 +1149,10 @@ var yyAct = [...]int{
 	100, 75, 79, 74, 94, 108, 109, 73, 122, 68,
 	117, 67, 69, 116, 93, 106, 112, 90, 87, 66,
 	110, 88, 86, 82, 77, 0, 0, 0, 104, 114,
-	123, 95, 0, 118, 119, 120, 92, 70, 0, 360,
+	123, 95, 0, 118, 119, 120, 92, 70, 0, 0,
 	76, 0, 0, 0, 0, 0, 84, 0, 0, 103,
 	91, 0, 0, 63, 0, 83, 121, 99, 78, 115,
-	0, 0, 0, 0, 0, 0, 0, 226, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 226, 0, 383,
 	0, 0, 0, 0, 0, 0, 71, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -1174,27 +1164,27 @@ var yyAct = [...]int{
 	111, 105, 89, 80, 81, 64, 0, 100, 75, 79,
 	74, 94, 108, 109, 73, 122, 68, 117, 67, 69,
 	116, 93, 106, 112, 90, 87, 66, 110, 88, 86,
-	82, 77, 258, 0, 0, 104, 114, 123, 0, 95,
-	118, 119, 120, 92, 70, 0, 0, 0, 76, 0,
-	0, 0, 0, 0, 84, 0, 0, 103, 91, 0,
+	82, 77, 0, 0, 0, 104, 114, 123, 95, 0,
+	118, 119, 120, 92, 70, 0, 360, 76, 0, 0,
+	0, 0, 0, 84, 0, 0, 103, 91, 0, 0,
 	63, 0, 83, 121, 99, 78, 115, 0, 0, 0,
-	0, 0, 0, 0, 0, 226, 0, 0, 0, 0,
-	0, 0, 0, 0, 71, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 226, 0, 0, 0, 0, 0,
+	0, 0, 0, 71, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 224, 0, 0,
-	0, 0, 0, 98, 0, 0, 0, 72, 0, 102,
-	96, 113, 0, 97, 101, 85, 107, 65, 111, 105,
-	89, 80, 81, 64, 0, 100, 75, 79, 74, 94,
-	108, 109, 73, 122, 68, 117, 67, 69, 116, 93,
-	106, 112, 90, 87, 66, 110, 88, 86, 82, 77,
-	0, 0, 0, 104, 114, 123, 95, 0, 118, 119,
-	120, 92, 70, 0, 0, 76, 0, 0, 0, 0,
-	0, 84, 0, 0, 103, 91, 0, 0, 63, 0,
-	83, 121, 99, 78, 115, 0, 0, 0, 0, 0,
-	0, 0, 61, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 224, 0, 0, 0,
+	0, 0, 98, 0, 0, 0, 72, 0, 102, 96,
+	113, 0, 97, 101, 85, 107, 65, 111, 105, 89,
+	80, 81, 64, 0, 100, 75, 79, 74, 94, 108,
+	109, 73, 122, 68, 117, 67, 69, 116, 93, 106,
+	112, 90, 87, 66, 110, 88, 86, 82, 77, 258,
+	0, 0, 104, 114, 123, 0, 95, 118, 119, 120,
+	92, 70, 0, 0, 0, 76, 0, 0, 0, 0,
+	0, 84, 0, 0, 103, 91, 0, 63, 0, 83,
+	121, 99, 78, 115, 0, 0, 0, 0, 0, 0,
+	0, 0, 226, 0, 0, 0, 0, 0, 0, 0,
 	0, 71, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -1209,7 +1199,7 @@ var yyAct = [...]int{
 	104, 114, 123, 95, 0, 118, 119, 120, 92, 70,
 	0, 0, 76, 0, 0, 0, 0, 0, 84, 0,
 	0, 103, 91, 0, 0, 63, 0, 83, 121, 99,
-	78, 115, 0, 0, 0, 0, 0, 0, 0, 270,
+	78, 115, 0, 0, 0, 0, 0, 0, 0, 61,
 	0, 0, 0, 0, 0, 0, 0, 0, 71, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -1225,7 +1215,7 @@ var yyAct = [...]int{
 	95, 0, 118, 119, 120, 92, 70, 0, 0, 76,
 	0, 0, 0, 0, 0, 84, 0, 0, 103, 91,
 	0, 0, 63, 0, 83, 121, 99, 78, 115, 0,
-	0, 0, 0, 0, 0, 0, 226, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 270, 0, 0, 0,
 	0, 0, 0, 0, 0, 71, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -1241,7 +1231,7 @@ var yyAct = [...]int{
 	119, 120, 92, 70, 0, 0, 76, 0, 0, 0,
 	0, 0, 84, 0, 0, 103, 91, 0, 0, 63,
 	0, 83, 121, 99, 78, 115, 0, 0, 0, 0,
-	0, 0, 0, 270, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 226, 0, 0, 0, 0, 0, 0,
 	0, 0, 71, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -1251,29 +1241,44 @@ var yyAct = [...]int{
 	0, 98, 0, 0, 0, 72, 0, 102, 96, 113,
 	0, 97, 101, 85, 107, 65, 111, 105, 89, 80,
 	81, 64, 0, 100, 75, 79, 74, 94, 108, 109,
-	73, 122, 68, 117, 67, 264, 116, 93, 106, 112,
+	73, 122, 68, 117, 67, 69, 116, 93, 106, 112,
 	90, 87, 66, 110, 88, 86, 82, 77, 0, 0,
-	0, 104, 114, 123, 0, 0, 118, 119, 120, 265,
-	263, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 63, 0, 83, 121,
-	99, 78, 115,
+	0, 104, 114, 123, 95, 0, 118, 119, 120, 92,
+	70, 0, 0, 76, 0, 0, 0, 0, 0, 84,
+	0, 0, 103, 91, 0, 0, 63, 0, 83, 121,
+	99, 78, 115, 0, 0, 0, 0, 0, 0, 0,
+	270, 0, 0, 0, 0, 0, 0, 0, 0, 71,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 224, 0, 0, 0, 0, 0, 98, 0,
+	0, 0, 72, 0, 102, 96, 113, 0, 97, 101,
+	85, 107, 65, 111, 105, 89, 80, 81, 64, 0,
+	100, 75, 79, 74, 94, 108, 109, 73, 122, 68,
+	117, 67, 264, 116, 93, 106, 112, 90, 87, 66,
+	110, 88, 86, 82, 77, 0, 0, 0, 104, 114,
+	123, 0, 0, 118, 119, 120, 265, 263, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 63, 0, 83, 121, 99, 78, 115,
 }
 var yyPact = [...]int{
 
-	94, -1000, -160, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, 709, 732, -1000, -1000,
-	-1000, -1000, -1000, 490, 4924, 2, 55, 34, 51, 3295,
-	6863, -1000, -1000, -1000, -1000, -1000, -1000, 516, -1000, -1000,
-	-1000, -1000, -1000, 687, 705, 523, 674, 570, -1000, -6,
-	5763, 6392, 7020, -1000, 365, 43, 6863, -117, -10, -1000,
+	108, -1000, -151, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, 680, 697, -1000, -1000,
+	-1000, -1000, -1000, 483, 5021, 21, 56, 34, 55, 3392,
+	6960, -1000, -1000, -1000, -1000, -1000, -1000, 466, -1000, -1000,
+	-1000, -1000, -1000, 657, 675, 530, 650, 568, -1000, 18,
+	5860, 6489, 7117, -1000, 329, 42, 6960, -109, 16, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, 46, 6863, -1000, 6863, -11, 354,
-	-11, 6863, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, 51, 6960, -1000, 6960, 7, 298,
+	7, 6960, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
@@ -1283,151 +1288,151 @@ var yyPact = [...]int{
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, 311, 662, 4227, 4227, 709, -1000,
-	516, -1000, -1000, -1000, 618, -1000, -1000, 199, 6234, 423,
-	604, -1000, -1000, -1000, 663, 5278, 5606, 91, 6863, 95,
-	-1000, 2701, 398, -1000, 629, -1000, -1000, 134, -1000, 90,
-	-1000, -1000, 379, -1000, 1444, 344, 2305, 7, 6863, 163,
-	6863, 2305, 5, 6863, 665, 510, 6863, -1000, -1000, -1000,
-	-1000, -1000, 728, 121, 302, -1000, 4227, 4775, 473, 473,
-	-1000, -1000, 64, -1000, -1000, 4581, 4581, 4581, 4581, 4581,
-	4581, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, 473, 82, -1000, 4041, 473,
-	473, 473, 473, 473, 473, 4227, 473, 473, 473, 473,
-	473, 473, 473, 473, 473, 473, 473, 473, 473, 467,
-	-1000, 361, 687, 311, 570, 5435, 528, -1000, -1000, 526,
-	6863, -1000, 6706, 5763, 5763, 5763, 5763, -1000, 542, 539,
-	-1000, 565, 535, 600, 6863, -1000, 360, 311, 5278, 62,
-	-1000, 6077, -1000, -1000, 3097, 723, 5763, 6863, -1000, -1000,
-	-1000, -1000, -1000, 6706, -1000, 4227, 2899, 1909, 72, 225,
-	-91, -1000, -1000, 475, -1000, 475, 475, 475, 475, -68,
-	-68, -68, -68, -1000, -1000, -1000, -1000, -1000, 486, -1000,
-	475, 475, 475, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, 485, 485, 485, 481, 481, -16, -1000, -1000, -1000,
-	6863, -1000, 664, 44, -1000, 6863, -1000, -1000, 6863, 2305,
-	-1000, 590, 4227, 4227, 173, 4227, 4227, 125, 4581, 238,
-	139, 4581, 4581, 4581, 4581, 4581, 4581, 4581, 4581, 4581,
-	4581, 4581, 4581, 4581, 4581, 4581, 272, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, 343, -1000, 516, 573, 573,
-	99, 99, 99, 99, 99, 1344, 3481, 2899, 341, 194,
-	4041, 3667, 3667, 4227, 4227, 3667, 668, 155, 194, 6549,
-	-1000, 311, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 3667,
-	3667, 3667, 3667, 4227, -1000, -1000, -1000, 662, -1000, 668,
-	680, -1000, 625, 621, 3667, -1000, 509, 6706, 473, -1000,
-	5101, -1000, 487, 604, 497, 577, -1000, -1000, -1000, -1000,
-	538, -1000, 532, -1000, -1000, -1000, -1000, -1000, 311, -1000,
-	37, 12, 10, -1000, -1000, -1000, -1000, 709, 4227, 446,
-	-1000, -1000, -1000, 194, -1000, 79, -1000, 425, 1711, -1000,
-	-1000, -1000, -1000, -1000, -1000, 484, 638, 129, 338, -1000,
-	-1000, 632, -1000, 170, -93, -1000, -1000, 254, -68, -68,
-	-1000, -1000, 96, 628, 96, 96, 96, 265, -1000, -1000,
-	-1000, -1000, 239, -1000, -1000, -1000, 231, -1000, 494, 6549,
-	2305, -1000, -1000, 131, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, -36, -1000, -1000, -1000,
-	578, 125, 152, -1000, -1000, 258, -1000, -1000, 194, 194,
-	990, -1000, -1000, -1000, -1000, 238, 4581, 4581, 4581, 666,
-	990, 971, 620, 415, 99, 210, 210, 98, 98, 98,
-	98, 98, 156, 156, -1000, -1000, -1000, 311, -1000, -1000,
-	-1000, 311, 3667, 416, -1000, -1000, 4767, 76, 473, 4227,
-	-1000, 310, 310, 110, 432, 310, 3667, 158, -1000, 4227,
-	311, -1000, 310, 311, 310, 310, -1000, -1000, 6863, -1000,
-	-1000, -1000, -1000, 431, -1000, 641, 395, 403, -1000, -1000,
-	3853, 311, 337, 75, 709, 4227, 4227, -1000, -1000, -1000,
-	473, 473, 473, 687, 194, -1000, 2701, 1909, -1000, 1909,
-	6549, -1000, 329, -1000, -1000, -87, 464, -1000, -1000, -1000,
-	374, 96, 96, -1000, 318, 154, -1000, -1000, -1000, 325,
-	-1000, 405, 323, 6863, -1000, -1000, -1000, 6863, -1000, -1000,
-	-1000, -1000, -1000, 6549, -1000, -1000, -1000, -1000, -1000, 666,
-	990, 580, -1000, 4581, 4581, -1000, -1000, 310, 3667, -1000,
-	-1000, 5920, -1000, -1000, 2503, 3667, 194, -1000, -1000, 17,
-	272, 17, -126, 482, 138, -1000, 4227, 218, -1000, -1000,
-	-1000, -1000, -1000, -1000, 723, 5763, 637, -1000, 473, -1000,
-	-1000, 437, 6549, 6549, 687, 194, 194, 6549, 6549, 6549,
-	-1000, -1000, 1711, -1000, 307, -1000, 475, -1000, 71, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, 262, 224, -1000, 207, 2305, -1000, -1000, 658, -1000,
-	4581, 990, 990, -1000, -1000, -1000, -1000, 68, 311, 311,
-	475, 475, -1000, 475, 481, -1000, 475, -51, 475, -52,
-	311, 311, 473, -123, -1000, 194, 4227, 716, 404, 727,
-	-1000, 473, -1000, 516, 67, -1000, -1000, 303, -1000, 303,
-	303, -1000, 6549, -1000, 182, 636, -1000, 634, -1000, 368,
-	326, -1000, 473, 990, 2107, -1000, -1000, -1000, 30, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, 4581, 311, 259,
-	194, 714, 690, 6706, 403, 311, 6549, -1000, 6549, -1000,
-	-1000, -1000, -1000, 226, -1000, -1000, -1000, -1000, -38, -1000,
-	-1000, -1000, 41, -1000, -1000, -1000, 4227, 4227, 398, -1000,
-	-1000, -1000, -1000, 300, -1000, 6549, 311, 22, -137, 194,
-	397, -1000, -38, 584, -1000, 574, -131, -144, -1000, -41,
-	-1000, 548, -1000, -44, -133, 473, -140, 4404, -148, 177,
-	311, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, 332, 601, 4324, 4324, 680, -1000,
+	466, -1000, -1000, -1000, 589, -1000, -1000, 181, 6331, 428,
+	620, -1000, -1000, -1000, 647, 5375, 5703, 84, 6960, 120,
+	-1000, 2600, 372, -1000, 592, -1000, -1000, 119, -1000, 83,
+	-1000, -1000, 411, -1000, 1048, 283, 2204, 29, 6960, 139,
+	6960, 2204, 25, 6960, 616, 491, 6960, -1000, -1000, -1000,
+	-1000, -1000, 692, 98, 307, -1000, 4324, 1147, 434, 434,
+	-1000, -1000, 44, -1000, -1000, 4678, 4678, 4678, 4678, 4678,
+	4678, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, 434, 79, -1000, 4138, 434,
+	434, 434, 434, 434, 434, 4324, 434, 434, 434, 434,
+	434, 434, 434, 434, 434, 434, 434, 434, 434, 432,
+	-1000, 285, 657, 332, 568, 5532, 502, -1000, -1000, 460,
+	6960, -1000, 6803, 5860, 5860, 5860, 5860, -1000, 526, 514,
+	-1000, 540, 539, 575, 6960, -1000, 402, 332, 5375, 80,
+	-1000, 6174, -1000, -1000, 3194, 688, 5860, 6960, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, 6803, -1000, 4324, 2996, 1808,
+	93, 170, -84, -1000, -1000, 437, -1000, 437, 437, 437,
+	437, -63, -63, -63, -63, -1000, -1000, -1000, -1000, -1000,
+	479, -1000, 437, 437, 437, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, 470, 470, 470, 438, 438, 3, -1000,
+	-1000, -1000, 6960, -1000, 613, 69, -1000, 6960, -1000, -1000,
+	6960, 2204, -1000, 567, 4324, 4324, 290, 4324, 4324, 114,
+	4678, 224, 201, 4678, 4678, 4678, 4678, 4678, 4678, 4678,
+	4678, 4678, 4678, 4678, 4678, 4678, 4678, 4678, 259, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, 272, -1000, 466,
+	683, 683, 92, 92, 92, 92, 92, 1371, 3578, 2996,
+	396, 138, 4138, 3764, 3764, 4324, 4324, 3764, 651, 131,
+	138, 6646, -1000, 332, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, 3764, 3764, 3764, 3764, 4324, -1000, -1000, -1000, 601,
+	-1000, 651, 674, -1000, 587, 579, 3764, -1000, 490, 6803,
+	434, -1000, 5198, -1000, 467, 620, 464, 482, -1000, -1000,
+	-1000, -1000, 512, -1000, 506, -1000, -1000, -1000, -1000, -1000,
+	332, -1000, 40, 39, 38, -1000, -1000, -1000, -1000, 680,
+	4324, 463, -1000, -1000, -1000, 138, -1000, 78, -1000, 429,
+	1600, -1000, -1000, -1000, -1000, -1000, -1000, 465, 606, 149,
+	266, -1000, -1000, 596, -1000, 147, -86, -1000, -1000, 233,
+	-63, -63, -1000, -1000, 89, 591, 89, 89, 89, 246,
+	-1000, -1000, -1000, -1000, 229, -1000, -1000, -1000, 223, -1000,
+	456, 6646, 2204, -1000, -1000, 112, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -12, -1000,
+	-1000, -1000, 545, 114, 145, -1000, -1000, 297, -1000, -1000,
+	138, 138, 1039, -1000, -1000, -1000, -1000, 224, 4678, 4678,
+	4678, 155, 1039, 978, 1062, 1003, 92, 171, 171, 91,
+	91, 91, 91, 91, 583, 583, -1000, -1000, -1000, 332,
+	-1000, -1000, -1000, 332, 3764, 419, -1000, -1000, 4864, 77,
+	434, 4324, -1000, 337, 337, 75, 194, 337, 3764, 232,
+	-1000, 4324, 332, -1000, 337, 332, 337, 337, -1000, -1000,
+	6960, -1000, -1000, -1000, -1000, 461, -1000, 602, 366, 398,
+	-1000, -1000, 3950, 332, 390, 72, 680, 4324, 4324, -1000,
+	-1000, -1000, 434, 434, 434, 657, 138, -1000, 2798, 1808,
+	-1000, 1808, 6646, -1000, 264, -1000, -1000, -80, 321, -1000,
+	-1000, -1000, 356, 89, 89, -1000, 249, 156, -1000, -1000,
+	-1000, 345, -1000, 416, 341, 6960, -1000, -1000, -1000, 6960,
+	-1000, -1000, -1000, -1000, -1000, 6646, -1000, -1000, -1000, -1000,
+	-1000, 155, 1039, 945, -1000, 4678, 4678, -1000, -1000, 337,
+	3764, -1000, -1000, 6017, -1000, -1000, 2402, 3764, 138, -1000,
+	-1000, 15, 259, 15, -127, 455, 127, -1000, 4324, 236,
+	-1000, -1000, -1000, -1000, -1000, -1000, 688, 5860, 605, -1000,
+	434, -1000, -1000, 414, 6646, 6646, 657, 138, 138, 6646,
+	6646, 6646, -1000, -1000, 1600, -1000, 319, -1000, 437, -1000,
+	102, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, 242, 219, -1000, 202, 2204, -1000, -1000,
+	609, -1000, 4678, 1039, 1039, -1000, -1000, -1000, -1000, 68,
+	332, 332, 437, 437, -1000, 437, 438, -1000, 437, -45,
+	437, -47, 332, 332, 434, -114, -1000, 138, 4324, 684,
+	404, 687, -1000, 434, -1000, 466, 65, -1000, -1000, 276,
+	-1000, 276, 276, -1000, 6646, -1000, 163, 603, -1000, 600,
+	-1000, 354, 334, -1000, 434, 1039, 2006, -1000, -1000, -1000,
+	37, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 4678,
+	332, 239, 138, 676, 673, 6803, 398, 332, 6646, -1000,
+	6646, -1000, -1000, -1000, -1000, 225, -1000, -1000, -1000, -1000,
+	-19, -1000, -1000, -1000, 11, -1000, -1000, -1000, 4324, 4324,
+	372, -1000, -1000, -1000, -1000, 271, -1000, 6646, 332, 36,
+	-142, 138, 360, -1000, -19, 544, -1000, 536, -132, -145,
+	-1000, -22, -1000, 533, -1000, -38, -139, 434, -143, 4501,
+	-147, 556, 332, -1000, -1000, -1000,
 }
 var yyPgo = [...]int{
 
-	0, 952, 23, 560, 951, 950, 948, 947, 945, 938,
-	936, 934, 929, 925, 922, 921, 919, 918, 916, 55,
-	915, 914, 909, 44, 906, 49, 905, 902, 27, 47,
-	21, 32, 503, 897, 18, 42, 50, 896, 895, 891,
-	40, 888, 926, 887, 881, 880, 7, 13, 879, 878,
-	877, 876, 37, 127, 874, 871, 870, 868, 866, 865,
-	35, 4, 8, 6, 14, 861, 94, 9, 860, 31,
-	855, 854, 853, 852, 20, 851, 39, 847, 15, 33,
-	846, 30, 10, 843, 48, 842, 537, 838, 96, 835,
-	831, 830, 829, 827, 815, 54, 34, 303, 74, 17,
-	810, 889, 25, 45, 806, 805, 79, 19, 22, 16,
-	804, 803, 797, 796, 795, 794, 793, 56, 790, 789,
-	12, 28, 788, 787, 52, 11, 783, 782, 779, 778,
-	41, 777, 36, 776, 773, 770, 29, 26, 769, 5,
-	752, 751, 2, 748, 746, 742, 0, 3, 739, 738,
-	150,
+	0, 895, 23, 558, 893, 890, 888, 884, 883, 882,
+	881, 880, 878, 877, 876, 873, 870, 868, 867, 50,
+	862, 861, 857, 48, 856, 55, 854, 853, 27, 30,
+	25, 26, 600, 851, 16, 74, 47, 850, 849, 846,
+	63, 845, 511, 844, 836, 833, 8, 31, 832, 831,
+	830, 829, 68, 121, 826, 825, 814, 812, 811, 808,
+	35, 4, 7, 6, 14, 807, 94, 9, 806, 32,
+	805, 803, 802, 801, 37, 799, 36, 794, 15, 41,
+	791, 29, 10, 789, 43, 785, 561, 779, 124, 778,
+	775, 772, 771, 769, 767, 19, 34, 174, 44, 21,
+	766, 765, 891, 22, 53, 763, 761, 42, 13, 17,
+	18, 759, 758, 757, 756, 754, 753, 750, 84, 749,
+	744, 11, 33, 743, 736, 40, 12, 731, 730, 725,
+	724, 45, 722, 39, 721, 720, 719, 28, 20, 718,
+	5, 716, 713, 2, 712, 707, 705, 0, 3, 704,
+	703, 157,
 }
 var yyR1 = [...]int{
 
-	0, 144, 145, 145, 1, 1, 1, 1, 1, 1,
+	0, 145, 146, 146, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 2, 2, 2,
 	3, 4, 4, 5, 5, 6, 6, 22, 22, 7,
-	8, 8, 148, 148, 38, 38, 9, 9, 83, 83,
-	83, 10, 10, 10, 10, 14, 133, 134, 134, 134,
-	130, 111, 111, 111, 114, 114, 112, 112, 112, 112,
-	112, 112, 112, 113, 113, 113, 113, 113, 115, 115,
-	115, 115, 115, 116, 116, 116, 116, 116, 116, 116,
-	116, 116, 116, 116, 116, 116, 116, 129, 129, 117,
-	117, 124, 124, 125, 125, 125, 122, 122, 123, 123,
-	126, 126, 126, 118, 118, 118, 118, 118, 127, 127,
-	120, 120, 120, 121, 121, 128, 128, 128, 128, 128,
-	119, 119, 131, 138, 138, 138, 138, 132, 132, 140,
-	140, 139, 135, 135, 135, 136, 136, 136, 137, 137,
-	137, 11, 11, 11, 11, 11, 143, 141, 141, 142,
-	142, 12, 13, 13, 13, 15, 110, 110, 110, 16,
-	17, 18, 18, 18, 18, 18, 18, 149, 19, 20,
-	20, 21, 21, 21, 25, 25, 25, 23, 23, 24,
-	24, 30, 30, 29, 29, 31, 31, 31, 31, 100,
-	100, 100, 99, 99, 33, 33, 34, 34, 35, 35,
-	36, 36, 36, 44, 37, 37, 37, 37, 105, 105,
-	104, 104, 104, 103, 103, 39, 39, 39, 39, 40,
-	40, 40, 40, 41, 41, 43, 43, 42, 42, 45,
-	45, 45, 45, 46, 46, 47, 47, 32, 32, 32,
-	32, 32, 32, 32, 87, 87, 49, 49, 48, 48,
-	48, 48, 48, 48, 48, 48, 48, 48, 59, 59,
-	59, 59, 59, 59, 50, 50, 50, 50, 50, 50,
-	50, 28, 28, 60, 60, 60, 66, 61, 61, 53,
+	8, 8, 149, 149, 38, 38, 9, 9, 83, 83,
+	83, 101, 101, 10, 10, 10, 10, 14, 134, 135,
+	135, 135, 131, 112, 112, 112, 115, 115, 113, 113,
+	113, 113, 113, 113, 113, 114, 114, 114, 114, 114,
+	116, 116, 116, 116, 116, 117, 117, 117, 117, 117,
+	117, 117, 117, 117, 117, 117, 117, 117, 117, 130,
+	130, 118, 118, 125, 125, 126, 126, 126, 123, 123,
+	124, 124, 127, 127, 127, 119, 119, 119, 119, 119,
+	128, 128, 121, 121, 121, 122, 122, 129, 129, 129,
+	129, 129, 120, 120, 132, 139, 139, 139, 139, 133,
+	133, 141, 141, 140, 136, 136, 136, 137, 137, 137,
+	138, 138, 138, 11, 11, 11, 11, 11, 144, 142,
+	142, 143, 143, 12, 13, 13, 13, 15, 111, 111,
+	111, 16, 17, 18, 18, 18, 18, 18, 18, 150,
+	19, 20, 20, 21, 21, 21, 25, 25, 25, 23,
+	23, 24, 24, 30, 30, 29, 29, 31, 31, 31,
+	31, 100, 100, 100, 99, 99, 33, 33, 34, 34,
+	35, 35, 36, 36, 36, 44, 37, 37, 37, 37,
+	106, 106, 105, 105, 105, 104, 104, 39, 39, 39,
+	39, 40, 40, 40, 40, 41, 41, 43, 43, 42,
+	42, 45, 45, 45, 45, 46, 46, 47, 47, 32,
+	32, 32, 32, 32, 32, 32, 87, 87, 49, 49,
+	48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+	59, 59, 59, 59, 59, 59, 50, 50, 50, 50,
+	50, 50, 50, 28, 28, 60, 60, 60, 66, 61,
+	61, 53, 53, 53, 53, 53, 53, 53, 53, 53,
 	53, 53, 53, 53, 53, 53, 53, 53, 53, 53,
 	53, 53, 53, 53, 53, 53, 53, 53, 53, 53,
-	53, 53, 53, 53, 53, 53, 53, 53, 53, 57,
-	57, 57, 55, 55, 55, 55, 55, 55, 55, 55,
-	55, 56, 56, 56, 56, 56, 56, 56, 56, 150,
-	150, 58, 58, 58, 58, 26, 26, 26, 26, 26,
-	108, 108, 109, 109, 109, 109, 109, 109, 109, 109,
-	109, 109, 109, 109, 109, 70, 70, 27, 27, 68,
-	68, 69, 71, 71, 67, 67, 67, 52, 52, 52,
-	52, 52, 52, 52, 52, 54, 54, 54, 72, 72,
-	73, 73, 74, 74, 75, 75, 76, 77, 77, 77,
-	78, 78, 78, 78, 79, 79, 79, 51, 51, 51,
-	51, 51, 51, 80, 80, 80, 80, 81, 81, 62,
-	62, 64, 64, 63, 65, 82, 82, 84, 85, 85,
-	88, 88, 89, 89, 86, 86, 90, 90, 90, 90,
-	90, 90, 90, 90, 90, 90, 90, 91, 91, 91,
-	92, 92, 93, 93, 93, 94, 94, 97, 97, 98,
-	98, 101, 101, 102, 102, 95, 95, 95, 95, 95,
+	53, 57, 57, 57, 55, 55, 55, 55, 55, 55,
+	55, 55, 55, 56, 56, 56, 56, 56, 56, 56,
+	56, 151, 151, 58, 58, 58, 58, 26, 26, 26,
+	26, 26, 109, 109, 110, 110, 110, 110, 110, 110,
+	110, 110, 110, 110, 110, 110, 110, 70, 70, 27,
+	27, 68, 68, 69, 71, 71, 67, 67, 67, 52,
+	52, 52, 52, 52, 52, 52, 52, 54, 54, 54,
+	72, 72, 73, 73, 74, 74, 75, 75, 76, 77,
+	77, 77, 78, 78, 78, 78, 79, 79, 79, 51,
+	51, 51, 51, 51, 51, 80, 80, 80, 80, 81,
+	81, 62, 62, 64, 64, 63, 65, 82, 82, 84,
+	85, 85, 88, 88, 89, 89, 86, 86, 90, 90,
+	90, 90, 90, 90, 90, 90, 90, 90, 90, 91,
+	91, 91, 92, 92, 93, 93, 93, 94, 94, 97,
+	97, 98, 98, 102, 102, 103, 103, 95, 95, 95,
 	95, 95, 95, 95, 95, 95, 95, 95, 95, 95,
 	95, 95, 95, 95, 95, 95, 95, 95, 95, 95,
 	95, 95, 95, 95, 95, 95, 95, 95, 95, 95,
@@ -1436,14 +1441,14 @@ var yyR1 = [...]int{
 	95, 95, 95, 95, 95, 95, 95, 95, 95, 95,
 	95, 95, 95, 95, 95, 95, 95, 95, 95, 95,
 	95, 95, 95, 95, 95, 95, 95, 95, 95, 95,
-	95, 95, 95, 96, 96, 96, 96, 96, 96, 96,
+	95, 95, 95, 95, 95, 96, 96, 96, 96, 96,
 	96, 96, 96, 96, 96, 96, 96, 96, 96, 96,
 	96, 96, 96, 96, 96, 96, 96, 96, 96, 96,
 	96, 96, 96, 96, 96, 96, 96, 96, 96, 96,
 	96, 96, 96, 96, 96, 96, 96, 96, 96, 96,
 	96, 96, 96, 96, 96, 96, 96, 96, 96, 96,
-	96, 96, 96, 96, 96, 146, 147, 106, 107, 107,
-	107,
+	96, 96, 96, 96, 96, 96, 96, 147, 148, 107,
+	108, 108, 108,
 }
 var yyR2 = [...]int{
 
@@ -1451,47 +1456,47 @@ var yyR2 = [...]int{
 	1, 1, 1, 1, 1, 1, 1, 4, 6, 7,
 	10, 1, 3, 1, 3, 6, 7, 1, 1, 8,
 	7, 6, 1, 1, 1, 3, 5, 3, 1, 2,
-	1, 2, 8, 4, 6, 4, 4, 1, 3, 3,
-	7, 3, 1, 1, 2, 1, 1, 1, 1, 1,
-	1, 1, 1, 2, 2, 2, 2, 2, 1, 2,
-	2, 2, 1, 4, 4, 2, 2, 3, 3, 3,
-	3, 1, 1, 1, 1, 1, 4, 1, 3, 0,
-	3, 0, 5, 0, 3, 5, 0, 1, 0, 1,
-	0, 1, 2, 0, 2, 2, 2, 2, 0, 1,
-	0, 3, 3, 0, 2, 0, 2, 1, 2, 1,
-	0, 2, 4, 2, 3, 2, 2, 1, 1, 1,
-	3, 2, 0, 1, 3, 1, 2, 3, 1, 1,
-	1, 6, 7, 7, 4, 5, 7, 1, 3, 8,
-	8, 5, 4, 5, 5, 3, 1, 1, 1, 3,
-	2, 2, 2, 2, 2, 2, 2, 0, 2, 0,
-	2, 1, 2, 2, 0, 1, 1, 0, 1, 0,
-	1, 0, 1, 1, 3, 1, 2, 3, 5, 0,
-	1, 2, 1, 1, 0, 2, 1, 3, 1, 1,
-	1, 3, 3, 3, 3, 5, 5, 3, 0, 1,
-	0, 1, 2, 1, 1, 1, 2, 2, 1, 2,
-	3, 2, 3, 2, 2, 2, 1, 1, 3, 0,
-	5, 5, 5, 1, 3, 0, 2, 1, 3, 3,
-	2, 3, 1, 2, 0, 3, 1, 1, 3, 3,
-	4, 4, 5, 3, 4, 5, 6, 2, 1, 2,
-	1, 2, 1, 2, 1, 1, 1, 1, 1, 1,
-	1, 0, 2, 1, 1, 1, 3, 1, 3, 1,
-	1, 1, 1, 1, 3, 3, 3, 3, 3, 3,
-	3, 3, 3, 3, 3, 3, 3, 3, 3, 2,
-	2, 2, 2, 2, 3, 1, 1, 1, 1, 4,
-	5, 6, 4, 4, 6, 6, 6, 9, 7, 5,
-	4, 2, 2, 2, 2, 2, 2, 2, 2, 0,
-	2, 4, 4, 4, 4, 0, 3, 4, 7, 3,
-	1, 1, 2, 3, 3, 1, 2, 2, 1, 2,
-	1, 2, 2, 1, 2, 0, 1, 0, 2, 1,
-	2, 4, 0, 2, 1, 3, 5, 1, 1, 1,
-	1, 1, 1, 1, 1, 1, 2, 2, 0, 3,
-	0, 2, 0, 3, 1, 3, 2, 0, 1, 1,
-	0, 2, 4, 4, 0, 2, 4, 2, 1, 3,
-	5, 4, 6, 1, 3, 3, 5, 0, 5, 1,
-	3, 1, 2, 3, 1, 1, 3, 3, 1, 1,
-	0, 2, 0, 3, 0, 1, 1, 1, 1, 1,
-	1, 1, 1, 1, 1, 1, 1, 0, 1, 1,
-	1, 1, 0, 1, 1, 0, 2, 1, 1, 1,
+	1, 1, 1, 2, 8, 4, 6, 4, 4, 1,
+	3, 3, 7, 3, 1, 1, 2, 1, 1, 1,
+	1, 1, 1, 1, 1, 2, 2, 2, 2, 2,
+	1, 2, 2, 2, 1, 4, 4, 2, 2, 3,
+	3, 3, 3, 1, 1, 1, 1, 1, 4, 1,
+	3, 0, 3, 0, 5, 0, 3, 5, 0, 1,
+	0, 1, 0, 1, 2, 0, 2, 2, 2, 2,
+	0, 1, 0, 3, 3, 0, 2, 0, 2, 1,
+	2, 1, 0, 2, 4, 2, 3, 2, 2, 1,
+	1, 1, 3, 2, 0, 1, 3, 1, 2, 3,
+	1, 1, 1, 6, 7, 7, 4, 5, 7, 1,
+	3, 8, 8, 5, 4, 5, 5, 3, 1, 1,
+	1, 3, 2, 2, 2, 2, 2, 2, 2, 0,
+	2, 0, 2, 1, 2, 2, 0, 1, 1, 0,
+	1, 0, 1, 0, 1, 1, 3, 1, 2, 3,
+	5, 0, 1, 2, 1, 1, 0, 2, 1, 3,
+	1, 1, 1, 3, 3, 3, 3, 5, 5, 3,
+	0, 1, 0, 1, 2, 1, 1, 1, 2, 2,
+	1, 2, 3, 2, 3, 2, 2, 2, 1, 1,
+	3, 0, 5, 5, 5, 1, 3, 0, 2, 1,
+	3, 3, 2, 3, 1, 2, 0, 3, 1, 1,
+	3, 3, 4, 4, 5, 3, 4, 5, 6, 2,
+	1, 2, 1, 2, 1, 2, 1, 1, 1, 1,
+	1, 1, 1, 0, 2, 1, 1, 1, 3, 1,
+	3, 1, 1, 1, 1, 1, 3, 3, 3, 3,
+	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+	3, 2, 2, 2, 2, 2, 3, 1, 1, 1,
+	1, 4, 5, 6, 4, 4, 6, 6, 6, 9,
+	7, 5, 4, 2, 2, 2, 2, 2, 2, 2,
+	2, 0, 2, 4, 4, 4, 4, 0, 3, 4,
+	7, 3, 1, 1, 2, 3, 3, 1, 2, 2,
+	1, 2, 1, 2, 2, 1, 2, 0, 1, 0,
+	2, 1, 2, 4, 0, 2, 1, 3, 5, 1,
+	1, 1, 1, 1, 1, 1, 1, 1, 2, 2,
+	0, 3, 0, 2, 0, 3, 1, 3, 2, 0,
+	1, 1, 0, 2, 4, 4, 0, 2, 4, 2,
+	1, 3, 5, 4, 6, 1, 3, 3, 5, 0,
+	5, 1, 3, 1, 2, 3, 1, 1, 3, 3,
+	1, 1, 0, 2, 0, 3, 0, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 0,
+	1, 1, 1, 1, 0, 1, 1, 0, 2, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
@@ -1507,17 +1512,17 @@ var yyR2 = [...]int{
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-	1, 1, 1, 1, 1, 1, 1, 0, 0, 1,
-	1,
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 0,
+	0, 1, 1,
 }
 var yyChk = [...]int{
 
-	-1000, -144, -1, -2, -6, -7, -8, -9, -10, -11,
+	-1000, -145, -1, -2, -6, -7, -8, -9, -10, -11,
 	-12, -13, -15, -16, -17, -18, -3, -4, 6, -22,
 	8, 9, 29, -14, 108, 109, 111, 110, 112, 122,
-	47, 24, 123, 124, 127, 128, 129, -146, 7, 190,
-	50, -145, 203, -74, 14, -21, 5, -19, -149, -19,
-	-19, -19, -19, -133, 50, -93, 115, 67, 113, 119,
+	47, 24, 123, 124, 127, 128, 129, -147, 7, 190,
+	50, -146, 203, -74, 14, -21, 5, -19, -150, -19,
+	-19, -19, -19, -134, 50, -93, 115, 67, 113, 119,
 	-97, 53, -96, 196, 141, 135, 162, 154, 152, 155,
 	180, 62, 125, 150, 146, 144, 26, 167, 201, 145,
 	139, 140, 166, 198, 32, 133, 165, 161, 164, 138,
@@ -1525,7 +1530,7 @@ var yyChk = [...]int{
 	143, 132, 127, 35, 171, 137, 158, 134, 148, 149,
 	163, 136, 159, 129, 172, 202, 156, 153, 176, 177,
 	178, 199, 151, 173, -86, 115, 117, 113, 113, 114,
-	115, 113, -110, 53, -95, -96, 68, 21, 23, 169,
+	115, 113, -111, 53, -95, -96, 68, 21, 23, 169,
 	71, 103, 15, 72, 102, 191, 108, 45, 183, 184,
 	181, 182, 174, 28, 9, 24, 123, 20, 96, 110,
 	75, 76, 126, 22, 124, 66, 18, 48, 10, 12,
@@ -1534,187 +1539,187 @@ var yyChk = [...]int{
 	98, 46, 33, 69, 64, 49, 67, 14, 44, 86,
 	111, 190, 42, 6, 194, 29, 122, 40, 113, 175,
 	74, 116, 65, 5, 119, 8, 47, 120, 187, 188,
-	189, 31, 73, 11, 115, -101, 53, -96, -106, -106,
-	-106, -106, -106, -106, -2, -78, 16, 15, -5, -3,
-	-146, 6, 19, 20, -25, 37, 38, -20, -86, -34,
-	-35, -36, -37, -44, -66, -146, -42, -101, 10, -38,
-	-42, -83, -82, 180, 155, 179, -84, -67, -97, -101,
-	53, -96, -134, -130, 53, 114, -42, 190, -89, 118,
-	113, -42, -42, -88, 118, 53, -88, -42, -106, -147,
+	189, 31, 73, 11, 115, -102, 53, -96, -107, -107,
+	-107, -107, -107, -107, -2, -78, 16, 15, -5, -3,
+	-147, 6, 19, 20, -25, 37, 38, -20, -86, -34,
+	-35, -36, -37, -44, -66, -147, -42, -102, 10, -38,
+	-42, -83, -82, 180, 155, 179, -84, -67, -97, -102,
+	53, -96, -135, -131, 53, 114, -42, 190, -89, 118,
+	113, -42, -42, -88, 118, 53, -88, -42, -107, -148,
 	52, -79, 18, 30, -32, -48, 69, -53, 28, 22,
 	-52, -49, -67, -65, -66, 103, 92, 93, 100, 70,
 	104, -57, -55, -56, -58, 55, 54, 63, 56, 57,
-	58, 59, 64, 65, 66, -97, -101, -63, -146, 41,
+	58, 59, 64, 65, 66, -97, -102, -63, -147, 41,
 	42, 191, 192, 195, 193, 72, 31, 181, 189, 188,
 	187, 185, 186, 183, 184, 118, 182, 98, 190, -75,
 	-76, -32, -74, -2, -19, 33, -23, 20, 61, -43,
 	25, -42, 29, 51, -39, -40, -41, 39, 43, 45,
-	40, 41, 42, 46, -105, 21, -34, -2, -146, -104,
-	-103, 21, -101, 55, 105, -42, -148, 51, 10, 120,
-	-98, -97, -95, 51, 29, 77, 105, 52, 51, -111,
-	-114, -116, -115, -112, -113, 152, 153, 103, 156, 158,
-	159, 160, 161, 162, 163, 164, 165, 166, 167, 125,
-	148, 149, 150, 151, 135, 136, 137, 138, 139, 140,
-	141, 143, 144, 145, 146, 147, 53, -107, -146, -98,
-	115, -42, 69, -42, -107, 116, -42, 22, 49, -42,
-	8, 87, 68, 67, 84, 51, 17, -32, -50, 87,
-	69, 85, 86, 71, 89, 88, 99, 92, 93, 94,
-	95, 96, 97, 98, 90, 91, 102, 77, 78, 79,
-	80, 81, 82, 83, -87, -146, -66, -146, 106, 107,
-	-53, -53, -53, -53, -53, -53, -146, 105, -61, -32,
-	-146, -146, -146, -146, -146, -146, -146, -70, -32, -146,
-	-150, -146, -150, -150, -150, -150, -150, -150, -150, -146,
-	-146, -146, -146, 51, -77, 23, 24, -78, -147, -25,
-	-54, -97, 56, 59, -24, 40, -51, 29, 31, -2,
-	-146, -42, -82, -35, -36, -35, -36, 39, 39, 39,
-	44, 39, 44, 39, -40, -101, -147, -147, -2, -45,
-	47, 117, 48, -103, -102, -101, -95, -47, 11, -34,
-	-42, -106, -84, -32, -98, -102, -95, -135, -136, -137,
-	-98, 55, 56, -130, -131, -138, 121, 119, -132, 114,
-	27, -126, 64, 69, -122, 172, -117, 50, -117, -117,
-	-117, -117, -120, 155, -120, -120, -120, 50, -117, -117,
-	-117, -124, 50, -124, -124, -125, 50, -125, -94, 120,
-	-42, 22, -90, 111, -143, 109, 169, 155, 62, 28,
-	110, 14, 191, 131, 202, 53, 132, -42, -42, -107,
-	35, -32, -32, -59, 64, 69, 65, 66, -32, -32,
-	-53, -60, -63, -66, 60, 87, 85, 86, 71, -53,
-	-53, -53, -53, -53, -53, -53, -53, -53, -53, -53,
-	-53, -53, -53, -53, -108, 53, 55, 53, -52, -52,
-	-97, -30, 20, -29, -31, 94, -32, -101, -98, 51,
-	-147, -29, -29, -32, -32, -29, -23, -68, -69, 73,
-	-97, -147, -29, -30, -29, -29, -76, -79, -85, 18,
-	10, 31, 31, -29, -81, 49, -82, -62, -64, -63,
-	-146, -2, -80, -97, -47, 49, 49, 39, 39, -147,
-	114, 114, 114, -74, -32, -47, 105, 51, -137, 77,
-	50, 27, -132, 53, 53, -118, 28, 64, -123, 173,
-	56, -120, -120, -121, 102, 29, -121, -121, -121, -129,
-	55, 56, 56, 49, -97, -107, -106, -91, -92, 116,
-	21, 114, 27, 131, 36, 64, 65, 66, -60, -53,
-	-53, -53, -28, 126, 68, -147, -147, -29, 51, -100,
-	-99, 21, -97, 55, 105, -146, -32, -147, -147, 51,
-	120, 21, -147, -29, -71, -69, 75, -32, -147, -147,
-	-147, -147, -147, -42, -33, 10, 26, -81, 51, -147,
-	-147, -147, 51, 105, -74, -32, -32, -146, -146, -146,
-	-78, -98, -136, -137, -140, -139, -97, 53, -127, 169,
-	55, 56, 57, 64, 52, -121, -121, 53, 53, 103,
-	52, 51, 51, 52, 51, -42, -42, -106, -97, -28,
-	68, -53, -53, -147, -31, -99, 94, -102, -30, -109,
-	103, 152, 125, 150, 146, 166, 157, 171, 148, 172,
-	-108, -109, 196, -74, 76, -32, 74, -47, -34, 27,
-	-64, 31, -2, -146, -97, -97, -78, -46, -97, -46,
-	-46, 52, 51, -117, -128, 121, 27, 119, 55, 56,
-	56, -107, 25, -53, 105, -147, -147, -117, -117, -117,
-	-125, -117, 140, -117, 140, -147, -147, -146, -27, 194,
-	-32, -72, 12, 8, -62, -2, 105, -147, 51, -147,
-	-147, -139, -119, 62, 27, 27, 52, 52, -146, 94,
-	-120, 53, -53, -147, 55, -73, 13, 15, -82, -147,
-	-97, -97, 55, -141, -142, 131, -26, 87, 199, -32,
-	-61, -147, 51, -97, -147, 197, 46, 200, -142, 31,
-	36, 198, 201, 133, 36, 134, 199, -146, 200, -53,
-	130, 201, -147, -147,
+	40, 41, 42, 46, -106, 21, -34, -2, -147, -105,
+	-104, 21, -102, 55, 105, -42, -149, 51, 10, 120,
+	-101, -98, 55, -97, -95, 51, 29, 77, 105, 52,
+	51, -112, -115, -117, -116, -113, -114, 152, 153, 103,
+	156, 158, 159, 160, 161, 162, 163, 164, 165, 166,
+	167, 125, 148, 149, 150, 151, 135, 136, 137, 138,
+	139, 140, 141, 143, 144, 145, 146, 147, 53, -108,
+	-147, -98, 115, -42, 69, -42, -108, 116, -42, 22,
+	49, -42, 8, 87, 68, 67, 84, 51, 17, -32,
+	-50, 87, 69, 85, 86, 71, 89, 88, 99, 92,
+	93, 94, 95, 96, 97, 98, 90, 91, 102, 77,
+	78, 79, 80, 81, 82, 83, -87, -147, -66, -147,
+	106, 107, -53, -53, -53, -53, -53, -53, -147, 105,
+	-61, -32, -147, -147, -147, -147, -147, -147, -147, -70,
+	-32, -147, -151, -147, -151, -151, -151, -151, -151, -151,
+	-151, -147, -147, -147, -147, 51, -77, 23, 24, -78,
+	-148, -25, -54, -97, 56, 59, -24, 40, -51, 29,
+	31, -2, -147, -42, -82, -35, -36, -35, -36, 39,
+	39, 39, 44, 39, 44, 39, -40, -102, -148, -148,
+	-2, -45, 47, 117, 48, -104, -103, -102, -95, -47,
+	11, -34, -42, -107, -84, -32, -98, -103, -95, -136,
+	-137, -138, -98, 55, 56, -131, -132, -139, 121, 119,
+	-133, 114, 27, -127, 64, 69, -123, 172, -118, 50,
+	-118, -118, -118, -118, -121, 155, -121, -121, -121, 50,
+	-118, -118, -118, -125, 50, -125, -125, -126, 50, -126,
+	-94, 120, -42, 22, -90, 111, -144, 109, 169, 155,
+	62, 28, 110, 14, 191, 131, 202, 53, 132, -42,
+	-42, -108, 35, -32, -32, -59, 64, 69, 65, 66,
+	-32, -32, -53, -60, -63, -66, 60, 87, 85, 86,
+	71, -53, -53, -53, -53, -53, -53, -53, -53, -53,
+	-53, -53, -53, -53, -53, -53, -109, 53, 55, 53,
+	-52, -52, -97, -30, 20, -29, -31, 94, -32, -102,
+	-98, 51, -148, -29, -29, -32, -32, -29, -23, -68,
+	-69, 73, -97, -148, -29, -30, -29, -29, -76, -79,
+	-85, 18, 10, 31, 31, -29, -81, 49, -82, -62,
+	-64, -63, -147, -2, -80, -97, -47, 49, 49, 39,
+	39, -148, 114, 114, 114, -74, -32, -47, 105, 51,
+	-138, 77, 50, 27, -133, 53, 53, -119, 28, 64,
+	-124, 173, 56, -121, -121, -122, 102, 29, -122, -122,
+	-122, -130, 55, 56, 56, 49, -97, -108, -107, -91,
+	-92, 116, 21, 114, 27, 131, 36, 64, 65, 66,
+	-60, -53, -53, -53, -28, 126, 68, -148, -148, -29,
+	51, -100, -99, 21, -97, 55, 105, -147, -32, -148,
+	-148, 51, 120, 21, -148, -29, -71, -69, 75, -32,
+	-148, -148, -148, -148, -148, -42, -33, 10, 26, -81,
+	51, -148, -148, -148, 51, 105, -74, -32, -32, -147,
+	-147, -147, -78, -98, -137, -138, -141, -140, -97, 53,
+	-128, 169, 55, 56, 57, 64, 52, -122, -122, 53,
+	53, 103, 52, 51, 51, 52, 51, -42, -42, -107,
+	-97, -28, 68, -53, -53, -148, -31, -99, 94, -103,
+	-30, -110, 103, 152, 125, 150, 146, 166, 157, 171,
+	148, 172, -109, -110, 196, -74, 76, -32, 74, -47,
+	-34, 27, -64, 31, -2, -147, -97, -97, -78, -46,
+	-97, -46, -46, 52, 51, -118, -129, 121, 27, 119,
+	55, 56, 56, -108, 25, -53, 105, -148, -148, -118,
+	-118, -118, -126, -118, 140, -118, 140, -148, -148, -147,
+	-27, 194, -32, -72, 12, 8, -62, -2, 105, -148,
+	51, -148, -148, -140, -120, 62, 27, 27, 52, 52,
+	-147, 94, -121, 53, -53, -148, 55, -73, 13, 15,
+	-82, -148, -97, -97, 55, -142, -143, 131, -26, 87,
+	199, -32, -61, -148, 51, -97, -148, 197, 46, 200,
+	-143, 31, 36, 198, 201, 133, 36, 134, 199, -147,
+	200, -53, 130, 201, -148, -148,
 }
 var yyDef = [...]int{
 
 	0, -2, 2, -2, 5, 6, 7, 8, 9, 10,
-	11, 12, 13, 14, 15, 16, 382, 0, 167, 167,
-	167, 167, 167, 0, 442, 424, 0, 0, 0, 0,
-	0, 607, 607, 607, 607, 607, 607, 0, 27, 28,
-	605, 1, 3, 390, 0, 0, 171, 174, 169, 424,
-	0, 0, 0, 41, 0, 0, 598, 0, 422, 443,
-	444, 447, 448, 543, 544, 545, 546, 547, 548, 549,
-	550, 551, 552, 553, 554, 555, 556, 557, 558, 559,
-	560, 561, 562, 563, 564, 565, 566, 567, 568, 569,
-	570, 571, 572, 573, 574, 575, 576, 577, 578, 579,
-	580, 581, 582, 583, 584, 585, 586, 587, 588, 589,
-	590, 591, 592, 593, 594, 595, 596, 597, 599, 600,
-	601, 602, 603, 604, 0, 0, 425, 0, 420, 0,
-	420, 0, 607, 156, 157, 158, 455, 456, 457, 458,
-	459, 460, 461, 462, 463, 464, 465, 466, 467, 468,
-	469, 470, 471, 472, 473, 474, 475, 476, 477, 478,
-	479, 480, 481, 482, 483, 484, 485, 486, 487, 488,
-	489, 490, 491, 492, 493, 494, 495, 496, 497, 498,
-	499, 500, 501, 502, 503, 504, 505, 506, 507, 508,
-	509, 510, 511, 512, 513, 514, 515, 516, 517, 518,
-	519, 520, 521, 522, 523, 524, 525, 526, 527, 528,
-	529, 530, 531, 532, 533, 534, 535, 536, 537, 538,
-	539, 540, 541, 542, 598, 160, 451, 452, 161, 162,
-	163, 164, 165, 166, 21, 394, 0, 0, 382, 23,
-	0, 167, 172, 173, 177, 175, 176, 168, 0, 0,
-	196, 198, 199, 200, 208, 0, 210, 227, 0, 0,
-	34, 0, 37, -2, 549, -2, 415, 0, 364, 0,
-	-2, -2, 0, 47, 0, 0, 608, 0, 0, 0,
-	0, 608, 0, 0, 0, 0, 0, 155, 159, 22,
-	606, 17, 0, 0, 391, 237, 0, 242, 244, 0,
-	279, 280, 281, 282, 283, 0, 0, 0, 0, 0,
-	0, 305, 306, 307, 308, 367, 368, 369, 370, 371,
-	372, 373, 374, 246, 247, 364, 0, 414, 0, 0,
-	0, 0, 0, 0, 0, 355, 0, 329, 329, 329,
-	329, 329, 329, 329, 329, 0, 0, 0, 0, 383,
-	384, 387, 390, 21, 174, 0, 179, 178, 170, 0,
-	0, 226, 0, 0, 0, 0, 0, 215, 0, 0,
-	218, 0, 0, 0, 0, 209, 0, 21, 0, 229,
-	211, 0, 213, 214, 0, 235, 0, 0, 32, 33,
-	607, 449, 450, 0, 39, 0, 0, 132, 0, 100,
-	96, 52, 53, 89, 55, 89, 89, 89, 89, 110,
-	110, 110, 110, 81, 82, 83, 84, 85, 0, 68,
-	89, 89, 89, 72, 56, 57, 58, 59, 60, 61,
-	62, 91, 91, 91, 93, 93, 445, 43, 609, 610,
-	0, 45, 0, 0, 144, 0, 152, 421, 0, 608,
-	395, 0, 0, 0, 0, 0, 0, 240, 0, 0,
+	11, 12, 13, 14, 15, 16, 384, 0, 169, 169,
+	169, 169, 169, 0, 444, 426, 0, 0, 0, 0,
+	0, 609, 609, 609, 609, 609, 609, 0, 27, 28,
+	607, 1, 3, 392, 0, 0, 173, 176, 171, 426,
+	0, 0, 0, 43, 0, 0, 600, 0, 424, 445,
+	446, 449, 450, 545, 546, 547, 548, 549, 550, 551,
+	552, 553, 554, 555, 556, 557, 558, 559, 560, 561,
+	562, 563, 564, 565, 566, 567, 568, 569, 570, 571,
+	572, 573, 574, 575, 576, 577, 578, 579, 580, 581,
+	582, 583, 584, 585, 586, 587, 588, 589, 590, 591,
+	592, 593, 594, 595, 596, 597, 598, 599, 601, 602,
+	603, 604, 605, 606, 0, 0, 427, 0, 422, 0,
+	422, 0, 609, 158, 159, 160, 457, 458, 459, 460,
+	461, 462, 463, 464, 465, 466, 467, 468, 469, 470,
+	471, 472, 473, 474, 475, 476, 477, 478, 479, 480,
+	481, 482, 483, 484, 485, 486, 487, 488, 489, 490,
+	491, 492, 493, 494, 495, 496, 497, 498, 499, 500,
+	501, 502, 503, 504, 505, 506, 507, 508, 509, 510,
+	511, 512, 513, 514, 515, 516, 517, 518, 519, 520,
+	521, 522, 523, 524, 525, 526, 527, 528, 529, 530,
+	531, 532, 533, 534, 535, 536, 537, 538, 539, 540,
+	541, 542, 543, 544, 600, 162, 453, 454, 163, 164,
+	165, 166, 167, 168, 21, 396, 0, 0, 384, 23,
+	0, 169, 174, 175, 179, 177, 178, 170, 0, 0,
+	198, 200, 201, 202, 210, 0, 212, 229, 0, 0,
+	34, 0, 37, -2, 551, -2, 417, 0, 366, 0,
+	-2, -2, 0, 49, 0, 0, 610, 0, 0, 0,
+	0, 610, 0, 0, 0, 0, 0, 157, 161, 22,
+	608, 17, 0, 0, 393, 239, 0, 244, 246, 0,
+	281, 282, 283, 284, 285, 0, 0, 0, 0, 0,
+	0, 307, 308, 309, 310, 369, 370, 371, 372, 373,
+	374, 375, 376, 248, 249, 366, 0, 416, 0, 0,
+	0, 0, 0, 0, 0, 357, 0, 331, 331, 331,
+	331, 331, 331, 331, 331, 0, 0, 0, 0, 385,
+	386, 389, 392, 21, 176, 0, 181, 180, 172, 0,
+	0, 228, 0, 0, 0, 0, 0, 217, 0, 0,
+	220, 0, 0, 0, 0, 211, 0, 21, 0, 231,
+	213, 0, 215, 216, 0, 237, 0, 0, 32, 33,
+	609, 41, 42, 451, 452, 0, 39, 0, 0, 134,
+	0, 102, 98, 54, 55, 91, 57, 91, 91, 91,
+	91, 112, 112, 112, 112, 83, 84, 85, 86, 87,
+	0, 70, 91, 91, 91, 74, 58, 59, 60, 61,
+	62, 63, 64, 93, 93, 93, 95, 95, 447, 45,
+	611, 612, 0, 47, 0, 0, 146, 0, 154, 423,
+	0, 610, 397, 0, 0, 0, 0, 0, 0, 242,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 264, 265, 266,
-	267, 268, 269, 270, 243, 0, 257, 0, 0, 0,
-	299, 300, 301, 302, 303, 0, 181, 0, 0, 277,
-	0, 0, 0, 0, 0, 0, 177, 0, 356, 0,
-	321, 0, 322, 323, 324, 325, 326, 327, 328, 0,
-	181, 0, 0, 0, 386, 388, 389, 394, 24, 177,
-	0, 375, 0, 0, 0, 180, 407, 0, 0, -2,
-	0, 225, 235, 197, 204, 0, 207, 216, 217, 219,
-	0, 221, 0, 223, 224, 201, 202, 276, 21, 203,
-	0, 0, 0, 212, 228, 453, 454, 382, 0, 235,
-	35, 36, 416, 417, 365, 0, -2, 46, 133, 135,
-	138, 139, 140, 48, 49, 0, 0, 0, 0, 127,
-	128, 103, 101, 0, 98, 97, 54, 0, 110, 110,
-	75, 76, 113, 0, 113, 113, 113, 0, 69, 70,
-	71, 63, 0, 64, 65, 66, 0, 67, 0, 0,
-	608, 423, 607, 437, 145, 426, 427, 428, 429, 430,
-	431, 432, 433, 434, 435, 436, 0, 151, 153, 154,
-	0, 238, 239, 241, 258, 0, 260, 262, 392, 393,
-	248, 249, 273, 274, 275, 0, 0, 0, 0, 271,
-	253, 0, 284, 285, 286, 287, 288, 289, 290, 291,
-	292, 293, 294, 295, 298, 340, 341, 0, 296, 297,
-	304, 0, 0, 182, 183, 185, 189, 0, 365, 0,
-	413, 0, 0, 0, 0, 0, 0, 362, 359, 0,
-	0, 330, 0, 0, 0, 0, 385, 18, 0, 418,
-	419, 376, 377, 194, 25, 0, 407, 397, 409, 411,
-	0, 21, 0, 403, 382, 0, 0, 220, 222, -2,
-	0, 0, 0, 390, 236, 31, 0, 0, 136, 0,
-	0, 123, 0, 125, 126, 108, 0, 102, 51, 99,
-	0, 113, 113, 77, 0, 0, 78, 79, 80, 0,
-	87, 0, 0, 0, 446, 44, 141, 0, 607, 438,
-	439, 440, 441, 0, 396, 259, 261, 263, 250, 271,
-	254, 0, 251, 0, 0, 245, 309, 0, 0, 186,
-	190, 0, 192, 193, 0, 181, 278, 312, 313, 0,
-	0, 0, 0, 382, 0, 360, 0, 0, 320, 331,
-	332, 333, 334, 19, 235, 0, 0, 26, 0, 412,
-	-2, 0, 0, 0, 390, 205, 206, 0, 0, 0,
-	30, 366, 134, 137, 0, 129, 89, 124, 115, 109,
-	104, 105, 106, 107, 90, 73, 74, 114, 111, 112,
-	86, 0, 0, 94, 0, 608, 142, 143, 0, 252,
-	0, 272, 255, 310, 184, 191, 187, 0, 0, 0,
-	89, 89, 345, 89, 93, 348, 89, 350, 89, 353,
-	0, 0, 0, 357, 319, 363, 0, 378, 195, 0,
-	410, 0, -2, 0, 405, 404, 29, 0, 233, 0,
-	0, 122, 0, 131, 120, 0, 117, 119, 88, 0,
-	0, 42, 0, 256, 0, 311, 314, 342, 110, 346,
-	347, 349, 351, 352, 354, 316, 315, 0, 0, 0,
-	361, 380, 0, 0, 400, 21, 0, 230, 0, 231,
-	232, 130, 50, 0, 116, 118, 92, 95, 0, 188,
-	343, 344, 335, 318, 358, 20, 0, 0, 408, -2,
-	406, 234, 121, 0, 147, 0, 0, 0, 0, 381,
-	379, 146, 0, 0, 317, 0, 0, 0, 148, 0,
-	336, 0, 339, 0, 337, 0, 0, 0, 0, 0,
-	0, 338, 149, 150,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 266,
+	267, 268, 269, 270, 271, 272, 245, 0, 259, 0,
+	0, 0, 301, 302, 303, 304, 305, 0, 183, 0,
+	0, 279, 0, 0, 0, 0, 0, 0, 179, 0,
+	358, 0, 323, 0, 324, 325, 326, 327, 328, 329,
+	330, 0, 183, 0, 0, 0, 388, 390, 391, 396,
+	24, 179, 0, 377, 0, 0, 0, 182, 409, 0,
+	0, -2, 0, 227, 237, 199, 206, 0, 209, 218,
+	219, 221, 0, 223, 0, 225, 226, 203, 204, 278,
+	21, 205, 0, 0, 0, 214, 230, 455, 456, 384,
+	0, 237, 35, 36, 418, 419, 367, 0, -2, 48,
+	135, 137, 140, 141, 142, 50, 51, 0, 0, 0,
+	0, 129, 130, 105, 103, 0, 100, 99, 56, 0,
+	112, 112, 77, 78, 115, 0, 115, 115, 115, 0,
+	71, 72, 73, 65, 0, 66, 67, 68, 0, 69,
+	0, 0, 610, 425, 609, 439, 147, 428, 429, 430,
+	431, 432, 433, 434, 435, 436, 437, 438, 0, 153,
+	155, 156, 0, 240, 241, 243, 260, 0, 262, 264,
+	394, 395, 250, 251, 275, 276, 277, 0, 0, 0,
+	0, 273, 255, 0, 286, 287, 288, 289, 290, 291,
+	292, 293, 294, 295, 296, 297, 300, 342, 343, 0,
+	298, 299, 306, 0, 0, 184, 185, 187, 191, 0,
+	367, 0, 415, 0, 0, 0, 0, 0, 0, 364,
+	361, 0, 0, 332, 0, 0, 0, 0, 387, 18,
+	0, 420, 421, 378, 379, 196, 25, 0, 409, 399,
+	411, 413, 0, 21, 0, 405, 384, 0, 0, 222,
+	224, -2, 0, 0, 0, 392, 238, 31, 0, 0,
+	138, 0, 0, 125, 0, 127, 128, 110, 0, 104,
+	53, 101, 0, 115, 115, 79, 0, 0, 80, 81,
+	82, 0, 89, 0, 0, 0, 448, 46, 143, 0,
+	609, 440, 441, 442, 443, 0, 398, 261, 263, 265,
+	252, 273, 256, 0, 253, 0, 0, 247, 311, 0,
+	0, 188, 192, 0, 194, 195, 0, 183, 280, 314,
+	315, 0, 0, 0, 0, 384, 0, 362, 0, 0,
+	322, 333, 334, 335, 336, 19, 237, 0, 0, 26,
+	0, 414, -2, 0, 0, 0, 392, 207, 208, 0,
+	0, 0, 30, 368, 136, 139, 0, 131, 91, 126,
+	117, 111, 106, 107, 108, 109, 92, 75, 76, 116,
+	113, 114, 88, 0, 0, 96, 0, 610, 144, 145,
+	0, 254, 0, 274, 257, 312, 186, 193, 189, 0,
+	0, 0, 91, 91, 347, 91, 95, 350, 91, 352,
+	91, 355, 0, 0, 0, 359, 321, 365, 0, 380,
+	197, 0, 412, 0, -2, 0, 407, 406, 29, 0,
+	235, 0, 0, 124, 0, 133, 122, 0, 119, 121,
+	90, 0, 0, 44, 0, 258, 0, 313, 316, 344,
+	112, 348, 349, 351, 353, 354, 356, 318, 317, 0,
+	0, 0, 363, 382, 0, 0, 402, 21, 0, 232,
+	0, 233, 234, 132, 52, 0, 118, 120, 94, 97,
+	0, 190, 345, 346, 337, 320, 360, 20, 0, 0,
+	410, -2, 408, 236, 123, 0, 149, 0, 0, 0,
+	0, 383, 381, 148, 0, 0, 319, 0, 0, 0,
+	150, 0, 338, 0, 341, 0, 339, 0, 0, 0,
+	0, 0, 0, 340, 151, 152,
 }
 var yyTok1 = [...]int{
 
@@ -2097,29 +2102,29 @@ yydefault:
 
 	case 1:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:270
+		//line ./go/vt/sqlparser/sql.y:270
 		{
 			setParseTree(yylex, yyDollar[1].statement)
 		}
 	case 2:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:275
+		//line ./go/vt/sqlparser/sql.y:275
 		{
 		}
 	case 3:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:276
+		//line ./go/vt/sqlparser/sql.y:276
 		{
 		}
 	case 4:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:280
+		//line ./go/vt/sqlparser/sql.y:280
 		{
 			yyVAL.statement = yyDollar[1].selStmt
 		}
 	case 17:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:298
+		//line ./go/vt/sqlparser/sql.y:298
 		{
 			sel := yyDollar[1].selStmt.(*Select)
 			sel.OrderBy = yyDollar[2].orderBy
@@ -2129,49 +2134,49 @@ yydefault:
 		}
 	case 18:
 		yyDollar = yyS[yypt-6 : yypt+1]
-		//line sql.y:306
+		//line ./go/vt/sqlparser/sql.y:306
 		{
 			yyVAL.selStmt = &Union{Type: yyDollar[2].str, Left: yyDollar[1].selStmt, Right: yyDollar[3].selStmt, OrderBy: yyDollar[4].orderBy, Limit: yyDollar[5].limit, Lock: yyDollar[6].str}
 		}
 	case 19:
 		yyDollar = yyS[yypt-7 : yypt+1]
-		//line sql.y:310
+		//line ./go/vt/sqlparser/sql.y:310
 		{
 			yyVAL.selStmt = &Select{Comments: Comments(yyDollar[2].bytes2), Cache: yyDollar[3].str, SelectExprs: SelectExprs{Nextval{Expr: yyDollar[5].expr}}, From: TableExprs{&AliasedTableExpr{Expr: yyDollar[7].tableName}}}
 		}
 	case 20:
 		yyDollar = yyS[yypt-10 : yypt+1]
-		//line sql.y:317
+		//line ./go/vt/sqlparser/sql.y:317
 		{
 			yyVAL.selStmt = &Select{Comments: Comments(yyDollar[2].bytes2), Cache: yyDollar[3].str, Distinct: yyDollar[4].str, Hints: yyDollar[5].str, SelectExprs: yyDollar[6].selectExprs, From: yyDollar[7].tableExprs, Where: NewWhere(WhereStr, yyDollar[8].expr), GroupBy: GroupBy(yyDollar[9].exprs), Having: NewWhere(HavingStr, yyDollar[10].expr)}
 		}
 	case 21:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:323
+		//line ./go/vt/sqlparser/sql.y:323
 		{
 			yyVAL.selStmt = yyDollar[1].selStmt
 		}
 	case 22:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:327
+		//line ./go/vt/sqlparser/sql.y:327
 		{
 			yyVAL.selStmt = &ParenSelect{Select: yyDollar[2].selStmt}
 		}
 	case 23:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:333
+		//line ./go/vt/sqlparser/sql.y:333
 		{
 			yyVAL.selStmt = yyDollar[1].selStmt
 		}
 	case 24:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:337
+		//line ./go/vt/sqlparser/sql.y:337
 		{
 			yyVAL.selStmt = &ParenSelect{Select: yyDollar[2].selStmt}
 		}
 	case 25:
 		yyDollar = yyS[yypt-6 : yypt+1]
-		//line sql.y:344
+		//line ./go/vt/sqlparser/sql.y:344
 		{
 			// insert_data returns a *Insert pre-filled with Columns & Values
 			ins := yyDollar[5].ins
@@ -2184,7 +2189,7 @@ yydefault:
 		}
 	case 26:
 		yyDollar = yyS[yypt-7 : yypt+1]
-		//line sql.y:355
+		//line ./go/vt/sqlparser/sql.y:355
 		{
 			cols := make(Columns, 0, len(yyDollar[6].updateExprs))
 			vals := make(ValTuple, 0, len(yyDollar[7].updateExprs))
@@ -2196,130 +2201,142 @@ yydefault:
 		}
 	case 27:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:367
+		//line ./go/vt/sqlparser/sql.y:367
 		{
 			yyVAL.str = InsertStr
 		}
 	case 28:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:371
+		//line ./go/vt/sqlparser/sql.y:371
 		{
 			yyVAL.str = ReplaceStr
 		}
 	case 29:
 		yyDollar = yyS[yypt-8 : yypt+1]
-		//line sql.y:377
+		//line ./go/vt/sqlparser/sql.y:377
 		{
 			yyVAL.statement = &Update{Comments: Comments(yyDollar[2].bytes2), TableExprs: yyDollar[3].tableExprs, Exprs: yyDollar[5].updateExprs, Where: NewWhere(WhereStr, yyDollar[6].expr), OrderBy: yyDollar[7].orderBy, Limit: yyDollar[8].limit}
 		}
 	case 30:
 		yyDollar = yyS[yypt-7 : yypt+1]
-		//line sql.y:383
+		//line ./go/vt/sqlparser/sql.y:383
 		{
 			yyVAL.statement = &Delete{Comments: Comments(yyDollar[2].bytes2), TableExprs: TableExprs{&AliasedTableExpr{Expr: yyDollar[4].tableName}}, Where: NewWhere(WhereStr, yyDollar[5].expr), OrderBy: yyDollar[6].orderBy, Limit: yyDollar[7].limit}
 		}
 	case 31:
 		yyDollar = yyS[yypt-6 : yypt+1]
-		//line sql.y:387
+		//line ./go/vt/sqlparser/sql.y:387
 		{
 			yyVAL.statement = &Delete{Comments: Comments(yyDollar[2].bytes2), Targets: yyDollar[3].tableNames, TableExprs: yyDollar[5].tableExprs, Where: NewWhere(WhereStr, yyDollar[6].expr)}
 		}
 	case 32:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:392
+		//line ./go/vt/sqlparser/sql.y:392
 		{
 		}
 	case 33:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:393
+		//line ./go/vt/sqlparser/sql.y:393
 		{
 		}
 	case 34:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:397
+		//line ./go/vt/sqlparser/sql.y:397
 		{
 			yyVAL.tableNames = TableNames{yyDollar[1].tableName}
 		}
 	case 35:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:401
+		//line ./go/vt/sqlparser/sql.y:401
 		{
 			yyVAL.tableNames = append(yyVAL.tableNames, yyDollar[3].tableName)
 		}
 	case 36:
 		yyDollar = yyS[yypt-5 : yypt+1]
-		//line sql.y:407
+		//line ./go/vt/sqlparser/sql.y:407
 		{
 			yyVAL.statement = &Set{Comments: Comments(yyDollar[2].bytes2), Charset: yyDollar[4].colIdent}
 		}
 	case 37:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:411
+		//line ./go/vt/sqlparser/sql.y:411
 		{
 			yyVAL.statement = &Set{Comments: Comments(yyDollar[2].bytes2), Exprs: yyDollar[3].updateExprs}
 		}
 	case 41:
+		yyDollar = yyS[yypt-1 : yypt+1]
+		//line ./go/vt/sqlparser/sql.y:422
+		{
+			yyVAL.colIdent = yyDollar[1].colIdent
+		}
+	case 42:
+		yyDollar = yyS[yypt-1 : yypt+1]
+		//line ./go/vt/sqlparser/sql.y:426
+		{
+			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
+		}
+	case 43:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:423
+		//line ./go/vt/sqlparser/sql.y:432
 		{
 			yyDollar[1].ddl.TableSpec = yyDollar[2].TableSpec
 			yyVAL.statement = yyDollar[1].ddl
 		}
-	case 42:
+	case 44:
 		yyDollar = yyS[yypt-8 : yypt+1]
-		//line sql.y:428
+		//line ./go/vt/sqlparser/sql.y:437
 		{
 			// Change this to an alter statement
 			yyVAL.statement = &DDL{Action: AlterStr, Table: yyDollar[7].tableName, NewName: yyDollar[7].tableName}
 		}
-	case 43:
+	case 45:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:433
+		//line ./go/vt/sqlparser/sql.y:442
 		{
 			yyVAL.statement = &DDL{Action: CreateStr, NewName: yyDollar[3].tableName.ToViewName()}
 		}
-	case 44:
+	case 46:
 		yyDollar = yyS[yypt-6 : yypt+1]
-		//line sql.y:437
+		//line ./go/vt/sqlparser/sql.y:446
 		{
 			yyVAL.statement = &DDL{Action: CreateStr, NewName: yyDollar[5].tableName.ToViewName()}
 		}
-	case 45:
+	case 47:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:443
+		//line ./go/vt/sqlparser/sql.y:452
 		{
 			yyVAL.ddl = &DDL{Action: CreateStr, NewName: yyDollar[4].tableName}
 			setDDL(yylex, yyVAL.ddl)
 		}
-	case 46:
+	case 48:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:450
+		//line ./go/vt/sqlparser/sql.y:459
 		{
 			yyVAL.TableSpec = yyDollar[2].TableSpec
 			yyVAL.TableSpec.Options = yyDollar[4].str
 		}
-	case 47:
+	case 49:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:457
+		//line ./go/vt/sqlparser/sql.y:466
 		{
 			yyVAL.TableSpec = &TableSpec{}
 			yyVAL.TableSpec.AddColumn(yyDollar[1].columnDefinition)
 		}
-	case 48:
+	case 50:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:462
+		//line ./go/vt/sqlparser/sql.y:471
 		{
 			yyVAL.TableSpec.AddColumn(yyDollar[3].columnDefinition)
 		}
-	case 49:
+	case 51:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:466
+		//line ./go/vt/sqlparser/sql.y:475
 		{
 			yyVAL.TableSpec.AddIndex(yyDollar[3].indexDefinition)
 		}
-	case 50:
+	case 52:
 		yyDollar = yyS[yypt-7 : yypt+1]
-		//line sql.y:472
+		//line ./go/vt/sqlparser/sql.y:481
 		{
 			yyDollar[2].columnType.NotNull = yyDollar[3].boolVal
 			yyDollar[2].columnType.Default = yyDollar[4].optVal
@@ -2328,627 +2345,627 @@ yydefault:
 			yyDollar[2].columnType.Comment = yyDollar[7].optVal
 			yyVAL.columnDefinition = &ColumnDefinition{Name: NewColIdent(string(yyDollar[1].bytes)), Type: yyDollar[2].columnType}
 		}
-	case 51:
+	case 53:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:482
+		//line ./go/vt/sqlparser/sql.y:491
 		{
 			yyVAL.columnType = yyDollar[1].columnType
 			yyVAL.columnType.Unsigned = yyDollar[2].boolVal
 			yyVAL.columnType.Zerofill = yyDollar[3].boolVal
 		}
-	case 54:
+	case 56:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:492
+		//line ./go/vt/sqlparser/sql.y:501
 		{
 			yyVAL.columnType = yyDollar[1].columnType
 			yyVAL.columnType.Length = yyDollar[2].optVal
 		}
-	case 55:
-		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:497
-		{
-			yyVAL.columnType = yyDollar[1].columnType
-		}
-	case 56:
-		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:503
-		{
-			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
-		}
 	case 57:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:507
+		//line ./go/vt/sqlparser/sql.y:506
 		{
-			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
+			yyVAL.columnType = yyDollar[1].columnType
 		}
 	case 58:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:511
+		//line ./go/vt/sqlparser/sql.y:512
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 59:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:515
+		//line ./go/vt/sqlparser/sql.y:516
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 60:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:519
+		//line ./go/vt/sqlparser/sql.y:520
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 61:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:523
+		//line ./go/vt/sqlparser/sql.y:524
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 62:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:527
+		//line ./go/vt/sqlparser/sql.y:528
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 63:
+		yyDollar = yyS[yypt-1 : yypt+1]
+		//line ./go/vt/sqlparser/sql.y:532
+		{
+			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
+		}
+	case 64:
+		yyDollar = yyS[yypt-1 : yypt+1]
+		//line ./go/vt/sqlparser/sql.y:536
+		{
+			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
+		}
+	case 65:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:533
+		//line ./go/vt/sqlparser/sql.y:542
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 			yyVAL.columnType.Length = yyDollar[2].LengthScaleOption.Length
 			yyVAL.columnType.Scale = yyDollar[2].LengthScaleOption.Scale
 		}
-	case 64:
+	case 66:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:539
+		//line ./go/vt/sqlparser/sql.y:548
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 			yyVAL.columnType.Length = yyDollar[2].LengthScaleOption.Length
 			yyVAL.columnType.Scale = yyDollar[2].LengthScaleOption.Scale
 		}
-	case 65:
+	case 67:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:545
+		//line ./go/vt/sqlparser/sql.y:554
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 			yyVAL.columnType.Length = yyDollar[2].LengthScaleOption.Length
 			yyVAL.columnType.Scale = yyDollar[2].LengthScaleOption.Scale
 		}
-	case 66:
+	case 68:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:551
+		//line ./go/vt/sqlparser/sql.y:560
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 			yyVAL.columnType.Length = yyDollar[2].LengthScaleOption.Length
 			yyVAL.columnType.Scale = yyDollar[2].LengthScaleOption.Scale
 		}
-	case 67:
+	case 69:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:557
+		//line ./go/vt/sqlparser/sql.y:566
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 			yyVAL.columnType.Length = yyDollar[2].LengthScaleOption.Length
 			yyVAL.columnType.Scale = yyDollar[2].LengthScaleOption.Scale
 		}
-	case 68:
+	case 70:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:565
+		//line ./go/vt/sqlparser/sql.y:574
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
-	case 69:
+	case 71:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:569
+		//line ./go/vt/sqlparser/sql.y:578
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 70:
+	case 72:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:573
+		//line ./go/vt/sqlparser/sql.y:582
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 71:
+	case 73:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:577
+		//line ./go/vt/sqlparser/sql.y:586
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 72:
+	case 74:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:581
+		//line ./go/vt/sqlparser/sql.y:590
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
-	case 73:
+	case 75:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:587
+		//line ./go/vt/sqlparser/sql.y:596
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal, Charset: yyDollar[3].str, Collate: yyDollar[4].str}
 		}
-	case 74:
+	case 76:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:591
+		//line ./go/vt/sqlparser/sql.y:600
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal, Charset: yyDollar[3].str, Collate: yyDollar[4].str}
 		}
-	case 75:
+	case 77:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:595
+		//line ./go/vt/sqlparser/sql.y:604
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 76:
+	case 78:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:599
+		//line ./go/vt/sqlparser/sql.y:608
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 77:
+	case 79:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:603
+		//line ./go/vt/sqlparser/sql.y:612
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Charset: yyDollar[2].str, Collate: yyDollar[3].str}
 		}
-	case 78:
+	case 80:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:607
+		//line ./go/vt/sqlparser/sql.y:616
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Charset: yyDollar[2].str, Collate: yyDollar[3].str}
 		}
-	case 79:
+	case 81:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:611
+		//line ./go/vt/sqlparser/sql.y:620
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Charset: yyDollar[2].str, Collate: yyDollar[3].str}
 		}
-	case 80:
+	case 82:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:615
+		//line ./go/vt/sqlparser/sql.y:624
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Charset: yyDollar[2].str, Collate: yyDollar[3].str}
 		}
-	case 81:
+	case 83:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:619
+		//line ./go/vt/sqlparser/sql.y:628
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
-	case 82:
+	case 84:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:623
+		//line ./go/vt/sqlparser/sql.y:632
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
-	case 83:
+	case 85:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:627
+		//line ./go/vt/sqlparser/sql.y:636
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
-	case 84:
+	case 86:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:631
+		//line ./go/vt/sqlparser/sql.y:640
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
-	case 85:
+	case 87:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:635
+		//line ./go/vt/sqlparser/sql.y:644
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
-	case 86:
+	case 88:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:639
+		//line ./go/vt/sqlparser/sql.y:648
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), EnumValues: yyDollar[3].strs}
 		}
-	case 87:
+	case 89:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:645
+		//line ./go/vt/sqlparser/sql.y:654
 		{
 			yyVAL.strs = make([]string, 0, 4)
 			yyVAL.strs = append(yyVAL.strs, "'"+string(yyDollar[1].bytes)+"'")
 		}
-	case 88:
+	case 90:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:650
+		//line ./go/vt/sqlparser/sql.y:659
 		{
 			yyVAL.strs = append(yyDollar[1].strs, "'"+string(yyDollar[3].bytes)+"'")
 		}
-	case 89:
+	case 91:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:655
+		//line ./go/vt/sqlparser/sql.y:664
 		{
 			yyVAL.optVal = nil
 		}
-	case 90:
+	case 92:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:659
+		//line ./go/vt/sqlparser/sql.y:668
 		{
 			yyVAL.optVal = NewIntVal(yyDollar[2].bytes)
 		}
-	case 91:
+	case 93:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:664
+		//line ./go/vt/sqlparser/sql.y:673
 		{
 			yyVAL.LengthScaleOption = LengthScaleOption{}
 		}
-	case 92:
+	case 94:
 		yyDollar = yyS[yypt-5 : yypt+1]
-		//line sql.y:668
+		//line ./go/vt/sqlparser/sql.y:677
 		{
 			yyVAL.LengthScaleOption = LengthScaleOption{
 				Length: NewIntVal(yyDollar[2].bytes),
 				Scale:  NewIntVal(yyDollar[4].bytes),
 			}
 		}
-	case 93:
+	case 95:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:676
+		//line ./go/vt/sqlparser/sql.y:685
 		{
 			yyVAL.LengthScaleOption = LengthScaleOption{}
 		}
-	case 94:
+	case 96:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:680
+		//line ./go/vt/sqlparser/sql.y:689
 		{
 			yyVAL.LengthScaleOption = LengthScaleOption{
 				Length: NewIntVal(yyDollar[2].bytes),
 			}
 		}
-	case 95:
+	case 97:
 		yyDollar = yyS[yypt-5 : yypt+1]
-		//line sql.y:686
+		//line ./go/vt/sqlparser/sql.y:695
 		{
 			yyVAL.LengthScaleOption = LengthScaleOption{
 				Length: NewIntVal(yyDollar[2].bytes),
 				Scale:  NewIntVal(yyDollar[4].bytes),
 			}
 		}
-	case 96:
+	case 98:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:694
+		//line ./go/vt/sqlparser/sql.y:703
 		{
 			yyVAL.boolVal = BoolVal(false)
 		}
-	case 97:
+	case 99:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:698
+		//line ./go/vt/sqlparser/sql.y:707
 		{
 			yyVAL.boolVal = BoolVal(true)
 		}
-	case 98:
+	case 100:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:703
+		//line ./go/vt/sqlparser/sql.y:712
 		{
 			yyVAL.boolVal = BoolVal(false)
 		}
-	case 99:
+	case 101:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:707
+		//line ./go/vt/sqlparser/sql.y:716
 		{
 			yyVAL.boolVal = BoolVal(true)
 		}
-	case 100:
+	case 102:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:713
+		//line ./go/vt/sqlparser/sql.y:722
 		{
 			yyVAL.boolVal = BoolVal(false)
 		}
-	case 101:
+	case 103:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:717
+		//line ./go/vt/sqlparser/sql.y:726
 		{
 			yyVAL.boolVal = BoolVal(false)
 		}
-	case 102:
+	case 104:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:721
+		//line ./go/vt/sqlparser/sql.y:730
 		{
 			yyVAL.boolVal = BoolVal(true)
 		}
-	case 103:
+	case 105:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:726
+		//line ./go/vt/sqlparser/sql.y:735
 		{
 			yyVAL.optVal = nil
 		}
-	case 104:
+	case 106:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:730
+		//line ./go/vt/sqlparser/sql.y:739
 		{
 			yyVAL.optVal = NewStrVal(yyDollar[2].bytes)
 		}
-	case 105:
+	case 107:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:734
+		//line ./go/vt/sqlparser/sql.y:743
 		{
 			yyVAL.optVal = NewIntVal(yyDollar[2].bytes)
 		}
-	case 106:
+	case 108:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:738
+		//line ./go/vt/sqlparser/sql.y:747
 		{
 			yyVAL.optVal = NewFloatVal(yyDollar[2].bytes)
 		}
-	case 107:
+	case 109:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:742
+		//line ./go/vt/sqlparser/sql.y:751
 		{
 			yyVAL.optVal = NewValArg(yyDollar[2].bytes)
 		}
-	case 108:
+	case 110:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:747
+		//line ./go/vt/sqlparser/sql.y:756
 		{
 			yyVAL.boolVal = BoolVal(false)
 		}
-	case 109:
+	case 111:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:751
+		//line ./go/vt/sqlparser/sql.y:760
 		{
 			yyVAL.boolVal = BoolVal(true)
 		}
-	case 110:
+	case 112:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:756
+		//line ./go/vt/sqlparser/sql.y:765
 		{
 			yyVAL.str = ""
 		}
-	case 111:
+	case 113:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:760
+		//line ./go/vt/sqlparser/sql.y:769
 		{
 			yyVAL.str = string(yyDollar[3].bytes)
 		}
-	case 112:
+	case 114:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:764
+		//line ./go/vt/sqlparser/sql.y:773
 		{
 			yyVAL.str = string(yyDollar[3].bytes)
 		}
-	case 113:
+	case 115:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:769
+		//line ./go/vt/sqlparser/sql.y:778
 		{
 			yyVAL.str = ""
 		}
-	case 114:
+	case 116:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:773
+		//line ./go/vt/sqlparser/sql.y:782
 		{
 			yyVAL.str = string(yyDollar[2].bytes)
 		}
-	case 115:
+	case 117:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:778
+		//line ./go/vt/sqlparser/sql.y:787
 		{
 			yyVAL.colKeyOpt = colKeyNone
 		}
-	case 116:
+	case 118:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:782
+		//line ./go/vt/sqlparser/sql.y:791
 		{
 			yyVAL.colKeyOpt = colKeyPrimary
 		}
-	case 117:
+	case 119:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:786
+		//line ./go/vt/sqlparser/sql.y:795
 		{
 			yyVAL.colKeyOpt = colKey
 		}
-	case 118:
+	case 120:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:790
+		//line ./go/vt/sqlparser/sql.y:799
 		{
 			yyVAL.colKeyOpt = colKeyUniqueKey
 		}
-	case 119:
+	case 121:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:794
+		//line ./go/vt/sqlparser/sql.y:803
 		{
 			yyVAL.colKeyOpt = colKeyUnique
 		}
-	case 120:
+	case 122:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:799
+		//line ./go/vt/sqlparser/sql.y:808
 		{
 			yyVAL.optVal = nil
 		}
-	case 121:
+	case 123:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:803
+		//line ./go/vt/sqlparser/sql.y:812
 		{
 			yyVAL.optVal = NewStrVal(yyDollar[2].bytes)
 		}
-	case 122:
+	case 124:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:809
+		//line ./go/vt/sqlparser/sql.y:818
 		{
 			yyVAL.indexDefinition = &IndexDefinition{Info: yyDollar[1].indexInfo, Columns: yyDollar[3].indexColumns}
 		}
-	case 123:
+	case 125:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:815
+		//line ./go/vt/sqlparser/sql.y:824
 		{
 			yyVAL.indexInfo = &IndexInfo{Type: string(yyDollar[1].bytes) + " " + string(yyDollar[2].bytes), Name: NewColIdent("PRIMARY"), Primary: true, Unique: true}
 		}
-	case 124:
+	case 126:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:819
+		//line ./go/vt/sqlparser/sql.y:828
 		{
 			yyVAL.indexInfo = &IndexInfo{Type: string(yyDollar[1].bytes) + " " + string(yyDollar[2].str), Name: NewColIdent(string(yyDollar[3].bytes)), Unique: true}
 		}
-	case 125:
+	case 127:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:823
+		//line ./go/vt/sqlparser/sql.y:832
 		{
 			yyVAL.indexInfo = &IndexInfo{Type: string(yyDollar[1].bytes), Name: NewColIdent(string(yyDollar[2].bytes)), Unique: true}
 		}
-	case 126:
+	case 128:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:827
+		//line ./go/vt/sqlparser/sql.y:836
 		{
 			yyVAL.indexInfo = &IndexInfo{Type: string(yyDollar[1].str), Name: NewColIdent(string(yyDollar[2].bytes)), Unique: false}
 		}
-	case 127:
+	case 129:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:833
+		//line ./go/vt/sqlparser/sql.y:842
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 128:
+	case 130:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:837
+		//line ./go/vt/sqlparser/sql.y:846
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 129:
+	case 131:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:843
+		//line ./go/vt/sqlparser/sql.y:852
 		{
 			yyVAL.indexColumns = []*IndexColumn{yyDollar[1].indexColumn}
 		}
-	case 130:
+	case 132:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:847
+		//line ./go/vt/sqlparser/sql.y:856
 		{
 			yyVAL.indexColumns = append(yyVAL.indexColumns, yyDollar[3].indexColumn)
 		}
-	case 131:
+	case 133:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:853
+		//line ./go/vt/sqlparser/sql.y:862
 		{
 			yyVAL.indexColumn = &IndexColumn{Column: yyDollar[1].colIdent, Length: yyDollar[2].optVal}
 		}
-	case 132:
+	case 134:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:858
+		//line ./go/vt/sqlparser/sql.y:867
 		{
 			yyVAL.str = ""
 		}
-	case 133:
+	case 135:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:862
+		//line ./go/vt/sqlparser/sql.y:871
 		{
 			yyVAL.str = " " + string(yyDollar[1].str)
 		}
-	case 134:
+	case 136:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:866
+		//line ./go/vt/sqlparser/sql.y:875
 		{
 			yyVAL.str = string(yyDollar[1].str) + ", " + string(yyDollar[3].str)
 		}
-	case 135:
+	case 137:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:874
+		//line ./go/vt/sqlparser/sql.y:883
 		{
 			yyVAL.str = yyDollar[1].str
 		}
-	case 136:
+	case 138:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:878
+		//line ./go/vt/sqlparser/sql.y:887
 		{
 			yyVAL.str = yyDollar[1].str + " " + yyDollar[2].str
 		}
-	case 137:
+	case 139:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:882
+		//line ./go/vt/sqlparser/sql.y:891
 		{
 			yyVAL.str = yyDollar[1].str + "=" + yyDollar[3].str
 		}
-	case 138:
+	case 140:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:888
+		//line ./go/vt/sqlparser/sql.y:897
 		{
 			yyVAL.str = yyDollar[1].colIdent.String()
 		}
-	case 139:
+	case 141:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:892
+		//line ./go/vt/sqlparser/sql.y:901
 		{
 			yyVAL.str = "'" + string(yyDollar[1].bytes) + "'"
 		}
-	case 140:
+	case 142:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:896
+		//line ./go/vt/sqlparser/sql.y:905
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 141:
+	case 143:
 		yyDollar = yyS[yypt-6 : yypt+1]
-		//line sql.y:902
+		//line ./go/vt/sqlparser/sql.y:911
 		{
 			yyVAL.statement = &DDL{Action: AlterStr, Table: yyDollar[4].tableName, NewName: yyDollar[4].tableName}
 		}
-	case 142:
+	case 144:
 		yyDollar = yyS[yypt-7 : yypt+1]
-		//line sql.y:906
+		//line ./go/vt/sqlparser/sql.y:915
 		{
 			// Change this to a rename statement
 			yyVAL.statement = &DDL{Action: RenameStr, Table: yyDollar[4].tableName, NewName: yyDollar[7].tableName}
 		}
-	case 143:
+	case 145:
 		yyDollar = yyS[yypt-7 : yypt+1]
-		//line sql.y:911
+		//line ./go/vt/sqlparser/sql.y:920
 		{
 			// Rename an index can just be an alter
 			yyVAL.statement = &DDL{Action: AlterStr, Table: yyDollar[4].tableName, NewName: yyDollar[4].tableName}
 		}
-	case 144:
+	case 146:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:916
+		//line ./go/vt/sqlparser/sql.y:925
 		{
 			yyVAL.statement = &DDL{Action: AlterStr, Table: yyDollar[3].tableName.ToViewName(), NewName: yyDollar[3].tableName.ToViewName()}
 		}
-	case 145:
+	case 147:
 		yyDollar = yyS[yypt-5 : yypt+1]
-		//line sql.y:920
+		//line ./go/vt/sqlparser/sql.y:929
 		{
 			yyVAL.statement = &DDL{Action: AlterStr, Table: yyDollar[4].tableName, PartitionSpec: yyDollar[5].partSpec}
 		}
-	case 146:
+	case 148:
 		yyDollar = yyS[yypt-7 : yypt+1]
-		//line sql.y:926
+		//line ./go/vt/sqlparser/sql.y:935
 		{
 			yyVAL.partSpec = &PartitionSpec{Action: ReorganizeStr, Name: yyDollar[3].colIdent, Definitions: yyDollar[6].partDefs}
 		}
-	case 147:
+	case 149:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:932
+		//line ./go/vt/sqlparser/sql.y:941
 		{
 			yyVAL.partDefs = []*PartitionDefinition{yyDollar[1].partDef}
 		}
-	case 148:
+	case 150:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:936
+		//line ./go/vt/sqlparser/sql.y:945
 		{
 			yyVAL.partDefs = append(yyDollar[1].partDefs, yyDollar[3].partDef)
 		}
-	case 149:
+	case 151:
 		yyDollar = yyS[yypt-8 : yypt+1]
-		//line sql.y:942
+		//line ./go/vt/sqlparser/sql.y:951
 		{
 			yyVAL.partDef = &PartitionDefinition{Name: yyDollar[2].colIdent, Limit: yyDollar[7].expr}
 		}
-	case 150:
+	case 152:
 		yyDollar = yyS[yypt-8 : yypt+1]
-		//line sql.y:946
+		//line ./go/vt/sqlparser/sql.y:955
 		{
 			yyVAL.partDef = &PartitionDefinition{Name: yyDollar[2].colIdent, Maxvalue: true}
 		}
-	case 151:
+	case 153:
 		yyDollar = yyS[yypt-5 : yypt+1]
-		//line sql.y:952
+		//line ./go/vt/sqlparser/sql.y:961
 		{
 			yyVAL.statement = &DDL{Action: RenameStr, Table: yyDollar[3].tableName, NewName: yyDollar[5].tableName}
 		}
-	case 152:
+	case 154:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:958
+		//line ./go/vt/sqlparser/sql.y:967
 		{
 			var exists bool
 			if yyDollar[3].byt != 0 {
@@ -2956,16 +2973,16 @@ yydefault:
 			}
 			yyVAL.statement = &DDL{Action: DropStr, Table: yyDollar[4].tableName, IfExists: exists}
 		}
-	case 153:
+	case 155:
 		yyDollar = yyS[yypt-5 : yypt+1]
-		//line sql.y:966
+		//line ./go/vt/sqlparser/sql.y:975
 		{
 			// Change this to an alter statement
 			yyVAL.statement = &DDL{Action: AlterStr, Table: yyDollar[5].tableName, NewName: yyDollar[5].tableName}
 		}
-	case 154:
+	case 156:
 		yyDollar = yyS[yypt-5 : yypt+1]
-		//line sql.y:971
+		//line ./go/vt/sqlparser/sql.y:980
 		{
 			var exists bool
 			if yyDollar[3].byt != 0 {
@@ -2973,21 +2990,21 @@ yydefault:
 			}
 			yyVAL.statement = &DDL{Action: DropStr, Table: yyDollar[4].tableName.ToViewName(), IfExists: exists}
 		}
-	case 155:
+	case 157:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:981
+		//line ./go/vt/sqlparser/sql.y:990
 		{
 			yyVAL.statement = &DDL{Action: AlterStr, Table: yyDollar[3].tableName, NewName: yyDollar[3].tableName}
 		}
-	case 156:
+	case 158:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:987
+		//line ./go/vt/sqlparser/sql.y:996
 		{
 			yyVAL.str = ShowUnsupportedStr
 		}
-	case 157:
+	case 159:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:991
+		//line ./go/vt/sqlparser/sql.y:1000
 		{
 			switch v := string(yyDollar[1].bytes); v {
 			case ShowDatabasesStr, ShowTablesStr:
@@ -2996,9 +3013,9 @@ yydefault:
 				yyVAL.str = ShowUnsupportedStr
 			}
 		}
-	case 158:
+	case 160:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1000
+		//line ./go/vt/sqlparser/sql.y:1009
 		{
 			switch v := string(yyDollar[1].bytes); v {
 			case ShowKeyspacesStr, ShowShardsStr, ShowVSchemaTablesStr:
@@ -3007,376 +3024,376 @@ yydefault:
 				yyVAL.str = ShowUnsupportedStr
 			}
 		}
-	case 159:
+	case 161:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1011
+		//line ./go/vt/sqlparser/sql.y:1020
 		{
 			yyVAL.statement = &Show{Type: yyDollar[2].str}
 		}
-	case 160:
+	case 162:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1017
+		//line ./go/vt/sqlparser/sql.y:1026
 		{
 			yyVAL.statement = &Use{DBName: yyDollar[2].tableIdent}
 		}
-	case 161:
+	case 163:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1023
+		//line ./go/vt/sqlparser/sql.y:1032
 		{
 			yyVAL.statement = &OtherRead{}
 		}
-	case 162:
+	case 164:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1027
+		//line ./go/vt/sqlparser/sql.y:1036
 		{
 			yyVAL.statement = &OtherRead{}
 		}
-	case 163:
+	case 165:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1031
+		//line ./go/vt/sqlparser/sql.y:1040
 		{
 			yyVAL.statement = &OtherRead{}
 		}
-	case 164:
+	case 166:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1035
+		//line ./go/vt/sqlparser/sql.y:1044
 		{
 			yyVAL.statement = &OtherAdmin{}
 		}
-	case 165:
+	case 167:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1039
+		//line ./go/vt/sqlparser/sql.y:1048
 		{
 			yyVAL.statement = &OtherAdmin{}
 		}
-	case 166:
+	case 168:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1043
+		//line ./go/vt/sqlparser/sql.y:1052
 		{
 			yyVAL.statement = &OtherAdmin{}
 		}
-	case 167:
+	case 169:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:1048
+		//line ./go/vt/sqlparser/sql.y:1057
 		{
 			setAllowComments(yylex, true)
 		}
-	case 168:
+	case 170:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1052
+		//line ./go/vt/sqlparser/sql.y:1061
 		{
 			yyVAL.bytes2 = yyDollar[2].bytes2
 			setAllowComments(yylex, false)
 		}
-	case 169:
+	case 171:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:1058
+		//line ./go/vt/sqlparser/sql.y:1067
 		{
 			yyVAL.bytes2 = nil
 		}
-	case 170:
+	case 172:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1062
+		//line ./go/vt/sqlparser/sql.y:1071
 		{
 			yyVAL.bytes2 = append(yyDollar[1].bytes2, yyDollar[2].bytes)
 		}
-	case 171:
+	case 173:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1068
+		//line ./go/vt/sqlparser/sql.y:1077
 		{
 			yyVAL.str = UnionStr
 		}
-	case 172:
+	case 174:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1072
+		//line ./go/vt/sqlparser/sql.y:1081
 		{
 			yyVAL.str = UnionAllStr
 		}
-	case 173:
+	case 175:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1076
+		//line ./go/vt/sqlparser/sql.y:1085
 		{
 			yyVAL.str = UnionDistinctStr
 		}
-	case 174:
+	case 176:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:1081
+		//line ./go/vt/sqlparser/sql.y:1090
 		{
 			yyVAL.str = ""
 		}
-	case 175:
+	case 177:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1085
+		//line ./go/vt/sqlparser/sql.y:1094
 		{
 			yyVAL.str = SQLNoCacheStr
 		}
-	case 176:
+	case 178:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1089
+		//line ./go/vt/sqlparser/sql.y:1098
 		{
 			yyVAL.str = SQLCacheStr
 		}
-	case 177:
+	case 179:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:1094
+		//line ./go/vt/sqlparser/sql.y:1103
 		{
 			yyVAL.str = ""
 		}
-	case 178:
+	case 180:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1098
+		//line ./go/vt/sqlparser/sql.y:1107
 		{
 			yyVAL.str = DistinctStr
 		}
-	case 179:
+	case 181:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:1103
+		//line ./go/vt/sqlparser/sql.y:1112
 		{
 			yyVAL.str = ""
 		}
-	case 180:
+	case 182:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1107
+		//line ./go/vt/sqlparser/sql.y:1116
 		{
 			yyVAL.str = StraightJoinHint
 		}
-	case 181:
+	case 183:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:1112
+		//line ./go/vt/sqlparser/sql.y:1121
 		{
 			yyVAL.selectExprs = nil
 		}
-	case 182:
+	case 184:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1116
+		//line ./go/vt/sqlparser/sql.y:1125
 		{
 			yyVAL.selectExprs = yyDollar[1].selectExprs
 		}
-	case 183:
+	case 185:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1122
+		//line ./go/vt/sqlparser/sql.y:1131
 		{
 			yyVAL.selectExprs = SelectExprs{yyDollar[1].selectExpr}
 		}
-	case 184:
+	case 186:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1126
+		//line ./go/vt/sqlparser/sql.y:1135
 		{
 			yyVAL.selectExprs = append(yyVAL.selectExprs, yyDollar[3].selectExpr)
 		}
-	case 185:
+	case 187:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1132
+		//line ./go/vt/sqlparser/sql.y:1141
 		{
 			yyVAL.selectExpr = &StarExpr{}
 		}
-	case 186:
+	case 188:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1136
+		//line ./go/vt/sqlparser/sql.y:1145
 		{
 			yyVAL.selectExpr = &AliasedExpr{Expr: yyDollar[1].expr, As: yyDollar[2].colIdent}
 		}
-	case 187:
+	case 189:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1140
+		//line ./go/vt/sqlparser/sql.y:1149
 		{
 			yyVAL.selectExpr = &StarExpr{TableName: TableName{Name: yyDollar[1].tableIdent}}
 		}
-	case 188:
+	case 190:
 		yyDollar = yyS[yypt-5 : yypt+1]
-		//line sql.y:1144
+		//line ./go/vt/sqlparser/sql.y:1153
 		{
 			yyVAL.selectExpr = &StarExpr{TableName: TableName{Qualifier: yyDollar[1].tableIdent, Name: yyDollar[3].tableIdent}}
 		}
-	case 189:
+	case 191:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:1149
+		//line ./go/vt/sqlparser/sql.y:1158
 		{
 			yyVAL.colIdent = ColIdent{}
 		}
-	case 190:
+	case 192:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1153
+		//line ./go/vt/sqlparser/sql.y:1162
 		{
 			yyVAL.colIdent = yyDollar[1].colIdent
 		}
-	case 191:
+	case 193:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1157
+		//line ./go/vt/sqlparser/sql.y:1166
 		{
 			yyVAL.colIdent = yyDollar[2].colIdent
 		}
-	case 193:
+	case 195:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1164
+		//line ./go/vt/sqlparser/sql.y:1173
 		{
 			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
 		}
-	case 194:
+	case 196:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:1169
+		//line ./go/vt/sqlparser/sql.y:1178
 		{
 			yyVAL.tableExprs = TableExprs{&AliasedTableExpr{Expr: TableName{Name: NewTableIdent("dual")}}}
 		}
-	case 195:
+	case 197:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1173
+		//line ./go/vt/sqlparser/sql.y:1182
 		{
 			yyVAL.tableExprs = yyDollar[2].tableExprs
 		}
-	case 196:
+	case 198:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1179
+		//line ./go/vt/sqlparser/sql.y:1188
 		{
 			yyVAL.tableExprs = TableExprs{yyDollar[1].tableExpr}
 		}
-	case 197:
+	case 199:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1183
+		//line ./go/vt/sqlparser/sql.y:1192
 		{
 			yyVAL.tableExprs = append(yyVAL.tableExprs, yyDollar[3].tableExpr)
 		}
-	case 200:
+	case 202:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1193
+		//line ./go/vt/sqlparser/sql.y:1202
 		{
 			yyVAL.tableExpr = yyDollar[1].aliasedTableName
 		}
-	case 201:
+	case 203:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1197
+		//line ./go/vt/sqlparser/sql.y:1206
 		{
 			yyVAL.tableExpr = &AliasedTableExpr{Expr: yyDollar[1].subquery, As: yyDollar[3].tableIdent}
 		}
-	case 202:
+	case 204:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1201
+		//line ./go/vt/sqlparser/sql.y:1210
 		{
 			yyVAL.tableExpr = &ParenTableExpr{Exprs: yyDollar[2].tableExprs}
 		}
-	case 203:
+	case 205:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1207
+		//line ./go/vt/sqlparser/sql.y:1216
 		{
 			yyVAL.aliasedTableName = &AliasedTableExpr{Expr: yyDollar[1].tableName, As: yyDollar[2].tableIdent, Hints: yyDollar[3].indexHints}
 		}
-	case 204:
+	case 206:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1220
+		//line ./go/vt/sqlparser/sql.y:1229
 		{
 			yyVAL.tableExpr = &JoinTableExpr{LeftExpr: yyDollar[1].tableExpr, Join: yyDollar[2].str, RightExpr: yyDollar[3].tableExpr}
 		}
-	case 205:
+	case 207:
 		yyDollar = yyS[yypt-5 : yypt+1]
-		//line sql.y:1224
+		//line ./go/vt/sqlparser/sql.y:1233
 		{
 			yyVAL.tableExpr = &JoinTableExpr{LeftExpr: yyDollar[1].tableExpr, Join: yyDollar[2].str, RightExpr: yyDollar[3].tableExpr, On: yyDollar[5].expr}
 		}
-	case 206:
+	case 208:
 		yyDollar = yyS[yypt-5 : yypt+1]
-		//line sql.y:1228
+		//line ./go/vt/sqlparser/sql.y:1237
 		{
 			yyVAL.tableExpr = &JoinTableExpr{LeftExpr: yyDollar[1].tableExpr, Join: yyDollar[2].str, RightExpr: yyDollar[3].tableExpr, On: yyDollar[5].expr}
 		}
-	case 207:
+	case 209:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1232
+		//line ./go/vt/sqlparser/sql.y:1241
 		{
 			yyVAL.tableExpr = &JoinTableExpr{LeftExpr: yyDollar[1].tableExpr, Join: yyDollar[2].str, RightExpr: yyDollar[3].tableExpr}
 		}
-	case 208:
+	case 210:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:1237
+		//line ./go/vt/sqlparser/sql.y:1246
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 209:
+	case 211:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1239
+		//line ./go/vt/sqlparser/sql.y:1248
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 210:
+	case 212:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:1242
+		//line ./go/vt/sqlparser/sql.y:1251
 		{
 			yyVAL.tableIdent = NewTableIdent("")
 		}
-	case 211:
+	case 213:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1246
+		//line ./go/vt/sqlparser/sql.y:1255
 		{
 			yyVAL.tableIdent = yyDollar[1].tableIdent
 		}
-	case 212:
+	case 214:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1250
+		//line ./go/vt/sqlparser/sql.y:1259
 		{
 			yyVAL.tableIdent = yyDollar[2].tableIdent
 		}
-	case 214:
+	case 216:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1257
+		//line ./go/vt/sqlparser/sql.y:1266
 		{
 			yyVAL.tableIdent = NewTableIdent(string(yyDollar[1].bytes))
 		}
-	case 215:
+	case 217:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1263
+		//line ./go/vt/sqlparser/sql.y:1272
 		{
 			yyVAL.str = JoinStr
 		}
-	case 216:
+	case 218:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1267
+		//line ./go/vt/sqlparser/sql.y:1276
 		{
 			yyVAL.str = JoinStr
 		}
-	case 217:
+	case 219:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1271
+		//line ./go/vt/sqlparser/sql.y:1280
 		{
 			yyVAL.str = JoinStr
 		}
-	case 218:
+	case 220:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1275
+		//line ./go/vt/sqlparser/sql.y:1284
 		{
 			yyVAL.str = StraightJoinStr
 		}
-	case 219:
+	case 221:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1281
+		//line ./go/vt/sqlparser/sql.y:1290
 		{
 			yyVAL.str = LeftJoinStr
 		}
-	case 220:
+	case 222:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1285
+		//line ./go/vt/sqlparser/sql.y:1294
 		{
 			yyVAL.str = LeftJoinStr
 		}
-	case 221:
+	case 223:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1289
+		//line ./go/vt/sqlparser/sql.y:1298
 		{
 			yyVAL.str = RightJoinStr
 		}
-	case 222:
+	case 224:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1293
+		//line ./go/vt/sqlparser/sql.y:1302
 		{
 			yyVAL.str = RightJoinStr
 		}
-	case 223:
+	case 225:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1299
+		//line ./go/vt/sqlparser/sql.y:1308
 		{
 			yyVAL.str = NaturalJoinStr
 		}
-	case 224:
+	case 226:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1303
+		//line ./go/vt/sqlparser/sql.y:1312
 		{
 			if yyDollar[2].str == LeftJoinStr {
 				yyVAL.str = NaturalLeftJoinStr
@@ -3384,459 +3401,459 @@ yydefault:
 				yyVAL.str = NaturalRightJoinStr
 			}
 		}
-	case 225:
+	case 227:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1313
+		//line ./go/vt/sqlparser/sql.y:1322
 		{
 			yyVAL.tableName = yyDollar[2].tableName
 		}
-	case 226:
+	case 228:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1317
+		//line ./go/vt/sqlparser/sql.y:1326
 		{
 			yyVAL.tableName = yyDollar[1].tableName
 		}
-	case 227:
+	case 229:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1323
+		//line ./go/vt/sqlparser/sql.y:1332
 		{
 			yyVAL.tableName = TableName{Name: yyDollar[1].tableIdent}
 		}
-	case 228:
+	case 230:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1327
+		//line ./go/vt/sqlparser/sql.y:1336
 		{
 			yyVAL.tableName = TableName{Qualifier: yyDollar[1].tableIdent, Name: yyDollar[3].tableIdent}
 		}
-	case 229:
+	case 231:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:1332
+		//line ./go/vt/sqlparser/sql.y:1341
 		{
 			yyVAL.indexHints = nil
 		}
-	case 230:
+	case 232:
 		yyDollar = yyS[yypt-5 : yypt+1]
-		//line sql.y:1336
+		//line ./go/vt/sqlparser/sql.y:1345
 		{
 			yyVAL.indexHints = &IndexHints{Type: UseStr, Indexes: yyDollar[4].colIdents}
 		}
-	case 231:
+	case 233:
 		yyDollar = yyS[yypt-5 : yypt+1]
-		//line sql.y:1340
+		//line ./go/vt/sqlparser/sql.y:1349
 		{
 			yyVAL.indexHints = &IndexHints{Type: IgnoreStr, Indexes: yyDollar[4].colIdents}
 		}
-	case 232:
+	case 234:
 		yyDollar = yyS[yypt-5 : yypt+1]
-		//line sql.y:1344
+		//line ./go/vt/sqlparser/sql.y:1353
 		{
 			yyVAL.indexHints = &IndexHints{Type: ForceStr, Indexes: yyDollar[4].colIdents}
 		}
-	case 233:
+	case 235:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1350
+		//line ./go/vt/sqlparser/sql.y:1359
 		{
 			yyVAL.colIdents = []ColIdent{yyDollar[1].colIdent}
 		}
-	case 234:
+	case 236:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1354
+		//line ./go/vt/sqlparser/sql.y:1363
 		{
 			yyVAL.colIdents = append(yyDollar[1].colIdents, yyDollar[3].colIdent)
 		}
-	case 235:
+	case 237:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:1359
+		//line ./go/vt/sqlparser/sql.y:1368
 		{
 			yyVAL.expr = nil
 		}
-	case 236:
+	case 238:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1363
+		//line ./go/vt/sqlparser/sql.y:1372
 		{
 			yyVAL.expr = yyDollar[2].expr
 		}
-	case 237:
+	case 239:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1369
+		//line ./go/vt/sqlparser/sql.y:1378
 		{
 			yyVAL.expr = yyDollar[1].expr
 		}
-	case 238:
+	case 240:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1373
+		//line ./go/vt/sqlparser/sql.y:1382
 		{
 			yyVAL.expr = &AndExpr{Left: yyDollar[1].expr, Right: yyDollar[3].expr}
 		}
-	case 239:
+	case 241:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1377
+		//line ./go/vt/sqlparser/sql.y:1386
 		{
 			yyVAL.expr = &OrExpr{Left: yyDollar[1].expr, Right: yyDollar[3].expr}
 		}
-	case 240:
+	case 242:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1381
+		//line ./go/vt/sqlparser/sql.y:1390
 		{
 			yyVAL.expr = &NotExpr{Expr: yyDollar[2].expr}
 		}
-	case 241:
+	case 243:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1385
+		//line ./go/vt/sqlparser/sql.y:1394
 		{
 			yyVAL.expr = &IsExpr{Operator: yyDollar[3].str, Expr: yyDollar[1].expr}
 		}
-	case 242:
+	case 244:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1389
+		//line ./go/vt/sqlparser/sql.y:1398
 		{
 			yyVAL.expr = yyDollar[1].expr
 		}
-	case 243:
+	case 245:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1393
+		//line ./go/vt/sqlparser/sql.y:1402
 		{
 			yyVAL.expr = &Default{ColName: yyDollar[2].str}
 		}
-	case 244:
+	case 246:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:1399
+		//line ./go/vt/sqlparser/sql.y:1408
 		{
 			yyVAL.str = ""
 		}
-	case 245:
+	case 247:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1403
+		//line ./go/vt/sqlparser/sql.y:1412
 		{
 			yyVAL.str = string(yyDollar[2].bytes)
 		}
-	case 246:
+	case 248:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1409
+		//line ./go/vt/sqlparser/sql.y:1418
 		{
 			yyVAL.boolVal = BoolVal(true)
 		}
-	case 247:
+	case 249:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1413
+		//line ./go/vt/sqlparser/sql.y:1422
 		{
 			yyVAL.boolVal = BoolVal(false)
 		}
-	case 248:
+	case 250:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1419
+		//line ./go/vt/sqlparser/sql.y:1428
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: yyDollar[2].str, Right: yyDollar[3].expr}
 		}
-	case 249:
+	case 251:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1423
+		//line ./go/vt/sqlparser/sql.y:1432
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: InStr, Right: yyDollar[3].colTuple}
 		}
-	case 250:
+	case 252:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:1427
+		//line ./go/vt/sqlparser/sql.y:1436
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: NotInStr, Right: yyDollar[4].colTuple}
 		}
-	case 251:
+	case 253:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:1431
+		//line ./go/vt/sqlparser/sql.y:1440
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: LikeStr, Right: yyDollar[3].expr, Escape: yyDollar[4].expr}
 		}
-	case 252:
+	case 254:
 		yyDollar = yyS[yypt-5 : yypt+1]
-		//line sql.y:1435
+		//line ./go/vt/sqlparser/sql.y:1444
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: NotLikeStr, Right: yyDollar[4].expr, Escape: yyDollar[5].expr}
 		}
-	case 253:
+	case 255:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1439
+		//line ./go/vt/sqlparser/sql.y:1448
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: RegexpStr, Right: yyDollar[3].expr}
 		}
-	case 254:
+	case 256:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:1443
+		//line ./go/vt/sqlparser/sql.y:1452
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: NotRegexpStr, Right: yyDollar[4].expr}
 		}
-	case 255:
+	case 257:
 		yyDollar = yyS[yypt-5 : yypt+1]
-		//line sql.y:1447
+		//line ./go/vt/sqlparser/sql.y:1456
 		{
 			yyVAL.expr = &RangeCond{Left: yyDollar[1].expr, Operator: BetweenStr, From: yyDollar[3].expr, To: yyDollar[5].expr}
 		}
-	case 256:
+	case 258:
 		yyDollar = yyS[yypt-6 : yypt+1]
-		//line sql.y:1451
+		//line ./go/vt/sqlparser/sql.y:1460
 		{
 			yyVAL.expr = &RangeCond{Left: yyDollar[1].expr, Operator: NotBetweenStr, From: yyDollar[4].expr, To: yyDollar[6].expr}
 		}
-	case 257:
+	case 259:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1455
+		//line ./go/vt/sqlparser/sql.y:1464
 		{
 			yyVAL.expr = &ExistsExpr{Subquery: yyDollar[2].subquery}
 		}
-	case 258:
+	case 260:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1461
+		//line ./go/vt/sqlparser/sql.y:1470
 		{
 			yyVAL.str = IsNullStr
 		}
-	case 259:
+	case 261:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1465
+		//line ./go/vt/sqlparser/sql.y:1474
 		{
 			yyVAL.str = IsNotNullStr
 		}
-	case 260:
+	case 262:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1469
+		//line ./go/vt/sqlparser/sql.y:1478
 		{
 			yyVAL.str = IsTrueStr
 		}
-	case 261:
+	case 263:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1473
+		//line ./go/vt/sqlparser/sql.y:1482
 		{
 			yyVAL.str = IsNotTrueStr
 		}
-	case 262:
+	case 264:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1477
+		//line ./go/vt/sqlparser/sql.y:1486
 		{
 			yyVAL.str = IsFalseStr
 		}
-	case 263:
+	case 265:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1481
+		//line ./go/vt/sqlparser/sql.y:1490
 		{
 			yyVAL.str = IsNotFalseStr
 		}
-	case 264:
+	case 266:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1487
+		//line ./go/vt/sqlparser/sql.y:1496
 		{
 			yyVAL.str = EqualStr
 		}
-	case 265:
+	case 267:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1491
+		//line ./go/vt/sqlparser/sql.y:1500
 		{
 			yyVAL.str = LessThanStr
 		}
-	case 266:
+	case 268:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1495
+		//line ./go/vt/sqlparser/sql.y:1504
 		{
 			yyVAL.str = GreaterThanStr
 		}
-	case 267:
+	case 269:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1499
+		//line ./go/vt/sqlparser/sql.y:1508
 		{
 			yyVAL.str = LessEqualStr
 		}
-	case 268:
+	case 270:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1503
+		//line ./go/vt/sqlparser/sql.y:1512
 		{
 			yyVAL.str = GreaterEqualStr
 		}
-	case 269:
+	case 271:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1507
+		//line ./go/vt/sqlparser/sql.y:1516
 		{
 			yyVAL.str = NotEqualStr
 		}
-	case 270:
+	case 272:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1511
+		//line ./go/vt/sqlparser/sql.y:1520
 		{
 			yyVAL.str = NullSafeEqualStr
 		}
-	case 271:
+	case 273:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:1516
+		//line ./go/vt/sqlparser/sql.y:1525
 		{
 			yyVAL.expr = nil
 		}
-	case 272:
+	case 274:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1520
+		//line ./go/vt/sqlparser/sql.y:1529
 		{
 			yyVAL.expr = yyDollar[2].expr
 		}
-	case 273:
+	case 275:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1526
+		//line ./go/vt/sqlparser/sql.y:1535
 		{
 			yyVAL.colTuple = yyDollar[1].valTuple
 		}
-	case 274:
+	case 276:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1530
+		//line ./go/vt/sqlparser/sql.y:1539
 		{
 			yyVAL.colTuple = yyDollar[1].subquery
 		}
-	case 275:
+	case 277:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1534
+		//line ./go/vt/sqlparser/sql.y:1543
 		{
 			yyVAL.colTuple = ListArg(yyDollar[1].bytes)
 		}
-	case 276:
+	case 278:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1540
+		//line ./go/vt/sqlparser/sql.y:1549
 		{
 			yyVAL.subquery = &Subquery{yyDollar[2].selStmt}
 		}
-	case 277:
+	case 279:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1546
+		//line ./go/vt/sqlparser/sql.y:1555
 		{
 			yyVAL.exprs = Exprs{yyDollar[1].expr}
 		}
-	case 278:
+	case 280:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1550
+		//line ./go/vt/sqlparser/sql.y:1559
 		{
 			yyVAL.exprs = append(yyDollar[1].exprs, yyDollar[3].expr)
 		}
-	case 279:
+	case 281:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1556
+		//line ./go/vt/sqlparser/sql.y:1565
 		{
 			yyVAL.expr = yyDollar[1].expr
 		}
-	case 280:
+	case 282:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1560
+		//line ./go/vt/sqlparser/sql.y:1569
 		{
 			yyVAL.expr = yyDollar[1].boolVal
 		}
-	case 281:
+	case 283:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1564
+		//line ./go/vt/sqlparser/sql.y:1573
 		{
 			yyVAL.expr = yyDollar[1].colName
 		}
-	case 282:
+	case 284:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1568
+		//line ./go/vt/sqlparser/sql.y:1577
 		{
 			yyVAL.expr = yyDollar[1].expr
 		}
-	case 283:
+	case 285:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1572
+		//line ./go/vt/sqlparser/sql.y:1581
 		{
 			yyVAL.expr = yyDollar[1].subquery
 		}
-	case 284:
+	case 286:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1576
+		//line ./go/vt/sqlparser/sql.y:1585
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: BitAndStr, Right: yyDollar[3].expr}
 		}
-	case 285:
+	case 287:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1580
+		//line ./go/vt/sqlparser/sql.y:1589
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: BitOrStr, Right: yyDollar[3].expr}
 		}
-	case 286:
+	case 288:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1584
+		//line ./go/vt/sqlparser/sql.y:1593
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: BitXorStr, Right: yyDollar[3].expr}
 		}
-	case 287:
+	case 289:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1588
+		//line ./go/vt/sqlparser/sql.y:1597
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: PlusStr, Right: yyDollar[3].expr}
 		}
-	case 288:
+	case 290:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1592
+		//line ./go/vt/sqlparser/sql.y:1601
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: MinusStr, Right: yyDollar[3].expr}
 		}
-	case 289:
+	case 291:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1596
+		//line ./go/vt/sqlparser/sql.y:1605
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: MultStr, Right: yyDollar[3].expr}
 		}
-	case 290:
+	case 292:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1600
+		//line ./go/vt/sqlparser/sql.y:1609
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: DivStr, Right: yyDollar[3].expr}
 		}
-	case 291:
+	case 293:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1604
+		//line ./go/vt/sqlparser/sql.y:1613
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: IntDivStr, Right: yyDollar[3].expr}
 		}
-	case 292:
+	case 294:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1608
+		//line ./go/vt/sqlparser/sql.y:1617
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: ModStr, Right: yyDollar[3].expr}
 		}
-	case 293:
+	case 295:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1612
+		//line ./go/vt/sqlparser/sql.y:1621
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: ModStr, Right: yyDollar[3].expr}
 		}
-	case 294:
+	case 296:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1616
+		//line ./go/vt/sqlparser/sql.y:1625
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: ShiftLeftStr, Right: yyDollar[3].expr}
 		}
-	case 295:
+	case 297:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1620
+		//line ./go/vt/sqlparser/sql.y:1629
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: ShiftRightStr, Right: yyDollar[3].expr}
 		}
-	case 296:
+	case 298:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1624
+		//line ./go/vt/sqlparser/sql.y:1633
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].colName, Operator: JSONExtractOp, Right: yyDollar[3].expr}
 		}
-	case 297:
+	case 299:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1628
+		//line ./go/vt/sqlparser/sql.y:1637
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].colName, Operator: JSONUnquoteExtractOp, Right: yyDollar[3].expr}
 		}
-	case 298:
+	case 300:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1632
+		//line ./go/vt/sqlparser/sql.y:1641
 		{
 			yyVAL.expr = &CollateExpr{Expr: yyDollar[1].expr, Charset: yyDollar[3].str}
 		}
-	case 299:
+	case 301:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1636
+		//line ./go/vt/sqlparser/sql.y:1645
 		{
 			yyVAL.expr = &UnaryExpr{Operator: BinaryStr, Expr: yyDollar[2].expr}
 		}
-	case 300:
+	case 302:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1640
+		//line ./go/vt/sqlparser/sql.y:1649
 		{
 			if num, ok := yyDollar[2].expr.(*SQLVal); ok && num.Type == IntVal {
 				yyVAL.expr = num
@@ -3844,9 +3861,9 @@ yydefault:
 				yyVAL.expr = &UnaryExpr{Operator: UPlusStr, Expr: yyDollar[2].expr}
 			}
 		}
-	case 301:
+	case 303:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1648
+		//line ./go/vt/sqlparser/sql.y:1657
 		{
 			if num, ok := yyDollar[2].expr.(*SQLVal); ok && num.Type == IntVal {
 				// Handle double negative
@@ -3860,21 +3877,21 @@ yydefault:
 				yyVAL.expr = &UnaryExpr{Operator: UMinusStr, Expr: yyDollar[2].expr}
 			}
 		}
-	case 302:
+	case 304:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1662
+		//line ./go/vt/sqlparser/sql.y:1671
 		{
 			yyVAL.expr = &UnaryExpr{Operator: TildaStr, Expr: yyDollar[2].expr}
 		}
-	case 303:
+	case 305:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1666
+		//line ./go/vt/sqlparser/sql.y:1675
 		{
 			yyVAL.expr = &UnaryExpr{Operator: BangStr, Expr: yyDollar[2].expr}
 		}
-	case 304:
+	case 306:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1670
+		//line ./go/vt/sqlparser/sql.y:1679
 		{
 			// This rule prevents the usage of INTERVAL
 			// as a function. If support is needed for that,
@@ -3882,395 +3899,395 @@ yydefault:
 			// will be non-trivial because of grammar conflicts.
 			yyVAL.expr = &IntervalExpr{Expr: yyDollar[2].expr, Unit: yyDollar[3].colIdent}
 		}
-	case 309:
+	case 311:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:1688
+		//line ./go/vt/sqlparser/sql.y:1697
 		{
 			yyVAL.expr = &FuncExpr{Name: yyDollar[1].colIdent, Exprs: yyDollar[3].selectExprs}
 		}
-	case 310:
+	case 312:
 		yyDollar = yyS[yypt-5 : yypt+1]
-		//line sql.y:1692
+		//line ./go/vt/sqlparser/sql.y:1701
 		{
 			yyVAL.expr = &FuncExpr{Name: yyDollar[1].colIdent, Distinct: true, Exprs: yyDollar[4].selectExprs}
 		}
-	case 311:
+	case 313:
 		yyDollar = yyS[yypt-6 : yypt+1]
-		//line sql.y:1696
+		//line ./go/vt/sqlparser/sql.y:1705
 		{
 			yyVAL.expr = &FuncExpr{Qualifier: yyDollar[1].tableIdent, Name: yyDollar[3].colIdent, Exprs: yyDollar[5].selectExprs}
 		}
-	case 312:
+	case 314:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:1706
+		//line ./go/vt/sqlparser/sql.y:1715
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("left"), Exprs: yyDollar[3].selectExprs}
 		}
-	case 313:
+	case 315:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:1710
+		//line ./go/vt/sqlparser/sql.y:1719
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("right"), Exprs: yyDollar[3].selectExprs}
 		}
-	case 314:
+	case 316:
 		yyDollar = yyS[yypt-6 : yypt+1]
-		//line sql.y:1714
+		//line ./go/vt/sqlparser/sql.y:1723
 		{
 			yyVAL.expr = &ConvertExpr{Expr: yyDollar[3].expr, Type: yyDollar[5].convertType}
 		}
-	case 315:
+	case 317:
 		yyDollar = yyS[yypt-6 : yypt+1]
-		//line sql.y:1718
+		//line ./go/vt/sqlparser/sql.y:1727
 		{
 			yyVAL.expr = &ConvertExpr{Expr: yyDollar[3].expr, Type: yyDollar[5].convertType}
 		}
-	case 316:
+	case 318:
 		yyDollar = yyS[yypt-6 : yypt+1]
-		//line sql.y:1722
+		//line ./go/vt/sqlparser/sql.y:1731
 		{
 			yyVAL.expr = &ConvertUsingExpr{Expr: yyDollar[3].expr, Type: yyDollar[5].str}
 		}
-	case 317:
+	case 319:
 		yyDollar = yyS[yypt-9 : yypt+1]
-		//line sql.y:1726
+		//line ./go/vt/sqlparser/sql.y:1735
 		{
 			yyVAL.expr = &MatchExpr{Columns: yyDollar[3].selectExprs, Expr: yyDollar[7].expr, Option: yyDollar[8].str}
 		}
-	case 318:
+	case 320:
 		yyDollar = yyS[yypt-7 : yypt+1]
-		//line sql.y:1730
+		//line ./go/vt/sqlparser/sql.y:1739
 		{
 			yyVAL.expr = &GroupConcatExpr{Distinct: yyDollar[3].str, Exprs: yyDollar[4].selectExprs, OrderBy: yyDollar[5].orderBy, Separator: yyDollar[6].str}
 		}
-	case 319:
+	case 321:
 		yyDollar = yyS[yypt-5 : yypt+1]
-		//line sql.y:1734
+		//line ./go/vt/sqlparser/sql.y:1743
 		{
 			yyVAL.expr = &CaseExpr{Expr: yyDollar[2].expr, Whens: yyDollar[3].whens, Else: yyDollar[4].expr}
 		}
-	case 320:
+	case 322:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:1738
+		//line ./go/vt/sqlparser/sql.y:1747
 		{
 			yyVAL.expr = &ValuesFuncExpr{Name: yyDollar[3].colIdent}
 		}
-	case 321:
+	case 323:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1748
+		//line ./go/vt/sqlparser/sql.y:1757
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("current_timestamp")}
 		}
-	case 322:
+	case 324:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1752
+		//line ./go/vt/sqlparser/sql.y:1761
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("utc_timestamp")}
 		}
-	case 323:
+	case 325:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1756
+		//line ./go/vt/sqlparser/sql.y:1765
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("utc_time")}
 		}
-	case 324:
+	case 326:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1760
+		//line ./go/vt/sqlparser/sql.y:1769
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("utc_date")}
 		}
-	case 325:
+	case 327:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1765
+		//line ./go/vt/sqlparser/sql.y:1774
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("localtime")}
 		}
-	case 326:
+	case 328:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1770
+		//line ./go/vt/sqlparser/sql.y:1779
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("localtimestamp")}
 		}
-	case 327:
+	case 329:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1775
+		//line ./go/vt/sqlparser/sql.y:1784
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("current_date")}
 		}
-	case 328:
+	case 330:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1780
+		//line ./go/vt/sqlparser/sql.y:1789
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("current_time")}
 		}
-	case 331:
+	case 333:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:1794
+		//line ./go/vt/sqlparser/sql.y:1803
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("if"), Exprs: yyDollar[3].selectExprs}
 		}
-	case 332:
+	case 334:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:1798
+		//line ./go/vt/sqlparser/sql.y:1807
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("database"), Exprs: yyDollar[3].selectExprs}
 		}
-	case 333:
+	case 335:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:1802
+		//line ./go/vt/sqlparser/sql.y:1811
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("mod"), Exprs: yyDollar[3].selectExprs}
 		}
-	case 334:
+	case 336:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:1806
+		//line ./go/vt/sqlparser/sql.y:1815
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("replace"), Exprs: yyDollar[3].selectExprs}
 		}
-	case 335:
+	case 337:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:1812
+		//line ./go/vt/sqlparser/sql.y:1821
 		{
 			yyVAL.str = ""
 		}
-	case 336:
+	case 338:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1816
+		//line ./go/vt/sqlparser/sql.y:1825
 		{
 			yyVAL.str = BooleanModeStr
 		}
-	case 337:
+	case 339:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:1820
+		//line ./go/vt/sqlparser/sql.y:1829
 		{
 			yyVAL.str = NaturalLanguageModeStr
 		}
-	case 338:
+	case 340:
 		yyDollar = yyS[yypt-7 : yypt+1]
-		//line sql.y:1824
+		//line ./go/vt/sqlparser/sql.y:1833
 		{
 			yyVAL.str = NaturalLanguageModeWithQueryExpansionStr
 		}
-	case 339:
+	case 341:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1828
+		//line ./go/vt/sqlparser/sql.y:1837
 		{
 			yyVAL.str = QueryExpansionStr
 		}
-	case 340:
+	case 342:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1834
+		//line ./go/vt/sqlparser/sql.y:1843
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 341:
+	case 343:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1838
+		//line ./go/vt/sqlparser/sql.y:1847
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 342:
+	case 344:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1844
+		//line ./go/vt/sqlparser/sql.y:1853
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 343:
+	case 345:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1848
+		//line ./go/vt/sqlparser/sql.y:1857
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal, Charset: yyDollar[3].str, Operator: CharacterSetStr}
 		}
-	case 344:
+	case 346:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1852
+		//line ./go/vt/sqlparser/sql.y:1861
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal, Charset: string(yyDollar[3].bytes)}
 		}
-	case 345:
+	case 347:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1856
+		//line ./go/vt/sqlparser/sql.y:1865
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
-	case 346:
+	case 348:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1860
+		//line ./go/vt/sqlparser/sql.y:1869
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 347:
+	case 349:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1864
+		//line ./go/vt/sqlparser/sql.y:1873
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 			yyVAL.convertType.Length = yyDollar[2].LengthScaleOption.Length
 			yyVAL.convertType.Scale = yyDollar[2].LengthScaleOption.Scale
 		}
-	case 348:
+	case 350:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1870
+		//line ./go/vt/sqlparser/sql.y:1879
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
-	case 349:
+	case 351:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1874
+		//line ./go/vt/sqlparser/sql.y:1883
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 350:
+	case 352:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1878
+		//line ./go/vt/sqlparser/sql.y:1887
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
-	case 351:
+	case 353:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1882
+		//line ./go/vt/sqlparser/sql.y:1891
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
-	case 352:
+	case 354:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1886
+		//line ./go/vt/sqlparser/sql.y:1895
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 353:
+	case 355:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1890
+		//line ./go/vt/sqlparser/sql.y:1899
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
-	case 354:
+	case 356:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1894
+		//line ./go/vt/sqlparser/sql.y:1903
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
-	case 355:
+	case 357:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:1899
+		//line ./go/vt/sqlparser/sql.y:1908
 		{
 			yyVAL.expr = nil
 		}
-	case 356:
+	case 358:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1903
+		//line ./go/vt/sqlparser/sql.y:1912
 		{
 			yyVAL.expr = yyDollar[1].expr
 		}
-	case 357:
+	case 359:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:1908
+		//line ./go/vt/sqlparser/sql.y:1917
 		{
 			yyVAL.str = string("")
 		}
-	case 358:
+	case 360:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1912
+		//line ./go/vt/sqlparser/sql.y:1921
 		{
 			yyVAL.str = " separator '" + string(yyDollar[2].bytes) + "'"
 		}
-	case 359:
+	case 361:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1918
+		//line ./go/vt/sqlparser/sql.y:1927
 		{
 			yyVAL.whens = []*When{yyDollar[1].when}
 		}
-	case 360:
+	case 362:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1922
+		//line ./go/vt/sqlparser/sql.y:1931
 		{
 			yyVAL.whens = append(yyDollar[1].whens, yyDollar[2].when)
 		}
-	case 361:
+	case 363:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:1928
+		//line ./go/vt/sqlparser/sql.y:1937
 		{
 			yyVAL.when = &When{Cond: yyDollar[2].expr, Val: yyDollar[4].expr}
 		}
-	case 362:
+	case 364:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:1933
+		//line ./go/vt/sqlparser/sql.y:1942
 		{
 			yyVAL.expr = nil
 		}
-	case 363:
+	case 365:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:1937
+		//line ./go/vt/sqlparser/sql.y:1946
 		{
 			yyVAL.expr = yyDollar[2].expr
 		}
-	case 364:
+	case 366:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1943
+		//line ./go/vt/sqlparser/sql.y:1952
 		{
 			yyVAL.colName = &ColName{Name: yyDollar[1].colIdent}
 		}
-	case 365:
+	case 367:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:1947
+		//line ./go/vt/sqlparser/sql.y:1956
 		{
 			yyVAL.colName = &ColName{Qualifier: TableName{Name: yyDollar[1].tableIdent}, Name: yyDollar[3].colIdent}
 		}
-	case 366:
+	case 368:
 		yyDollar = yyS[yypt-5 : yypt+1]
-		//line sql.y:1951
+		//line ./go/vt/sqlparser/sql.y:1960
 		{
 			yyVAL.colName = &ColName{Qualifier: TableName{Qualifier: yyDollar[1].tableIdent, Name: yyDollar[3].tableIdent}, Name: yyDollar[5].colIdent}
 		}
-	case 367:
+	case 369:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1957
+		//line ./go/vt/sqlparser/sql.y:1966
 		{
 			yyVAL.expr = NewStrVal(yyDollar[1].bytes)
 		}
-	case 368:
+	case 370:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1961
+		//line ./go/vt/sqlparser/sql.y:1970
 		{
 			yyVAL.expr = NewHexVal(yyDollar[1].bytes)
 		}
-	case 369:
+	case 371:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1965
+		//line ./go/vt/sqlparser/sql.y:1974
 		{
 			yyVAL.expr = NewBitVal(yyDollar[1].bytes)
 		}
-	case 370:
+	case 372:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1969
+		//line ./go/vt/sqlparser/sql.y:1978
 		{
 			yyVAL.expr = NewIntVal(yyDollar[1].bytes)
 		}
-	case 371:
+	case 373:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1973
+		//line ./go/vt/sqlparser/sql.y:1982
 		{
 			yyVAL.expr = NewFloatVal(yyDollar[1].bytes)
 		}
-	case 372:
+	case 374:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1977
+		//line ./go/vt/sqlparser/sql.y:1986
 		{
 			yyVAL.expr = NewHexNum(yyDollar[1].bytes)
 		}
-	case 373:
+	case 375:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1981
+		//line ./go/vt/sqlparser/sql.y:1990
 		{
 			yyVAL.expr = NewValArg(yyDollar[1].bytes)
 		}
-	case 374:
+	case 376:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1985
+		//line ./go/vt/sqlparser/sql.y:1994
 		{
 			yyVAL.expr = &NullVal{}
 		}
-	case 375:
+	case 377:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:1991
+		//line ./go/vt/sqlparser/sql.y:2000
 		{
 			// TODO(sougou): Deprecate this construct.
 			if yyDollar[1].colIdent.Lowered() != "value" {
@@ -4279,239 +4296,239 @@ yydefault:
 			}
 			yyVAL.expr = NewIntVal([]byte("1"))
 		}
-	case 376:
+	case 378:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:2000
+		//line ./go/vt/sqlparser/sql.y:2009
 		{
 			yyVAL.expr = NewIntVal(yyDollar[1].bytes)
 		}
-	case 377:
+	case 379:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:2004
+		//line ./go/vt/sqlparser/sql.y:2013
 		{
 			yyVAL.expr = NewValArg(yyDollar[1].bytes)
 		}
-	case 378:
+	case 380:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:2009
+		//line ./go/vt/sqlparser/sql.y:2018
 		{
 			yyVAL.exprs = nil
 		}
-	case 379:
+	case 381:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:2013
+		//line ./go/vt/sqlparser/sql.y:2022
 		{
 			yyVAL.exprs = yyDollar[3].exprs
 		}
-	case 380:
+	case 382:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:2018
+		//line ./go/vt/sqlparser/sql.y:2027
 		{
 			yyVAL.expr = nil
 		}
-	case 381:
+	case 383:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:2022
+		//line ./go/vt/sqlparser/sql.y:2031
 		{
 			yyVAL.expr = yyDollar[2].expr
 		}
-	case 382:
+	case 384:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:2027
+		//line ./go/vt/sqlparser/sql.y:2036
 		{
 			yyVAL.orderBy = nil
 		}
-	case 383:
+	case 385:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:2031
+		//line ./go/vt/sqlparser/sql.y:2040
 		{
 			yyVAL.orderBy = yyDollar[3].orderBy
 		}
-	case 384:
+	case 386:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2037
+		//line ./go/vt/sqlparser/sql.y:2046
 		{
 			yyVAL.orderBy = OrderBy{yyDollar[1].order}
 		}
-	case 385:
+	case 387:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:2041
+		//line ./go/vt/sqlparser/sql.y:2050
 		{
 			yyVAL.orderBy = append(yyDollar[1].orderBy, yyDollar[3].order)
 		}
-	case 386:
+	case 388:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:2047
+		//line ./go/vt/sqlparser/sql.y:2056
 		{
 			yyVAL.order = &Order{Expr: yyDollar[1].expr, Direction: yyDollar[2].str}
 		}
-	case 387:
+	case 389:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:2052
+		//line ./go/vt/sqlparser/sql.y:2061
 		{
 			yyVAL.str = AscScr
 		}
-	case 388:
+	case 390:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2056
+		//line ./go/vt/sqlparser/sql.y:2065
 		{
 			yyVAL.str = AscScr
 		}
-	case 389:
+	case 391:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2060
+		//line ./go/vt/sqlparser/sql.y:2069
 		{
 			yyVAL.str = DescScr
 		}
-	case 390:
+	case 392:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:2065
+		//line ./go/vt/sqlparser/sql.y:2074
 		{
 			yyVAL.limit = nil
 		}
-	case 391:
+	case 393:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:2069
+		//line ./go/vt/sqlparser/sql.y:2078
 		{
 			yyVAL.limit = &Limit{Rowcount: yyDollar[2].expr}
 		}
-	case 392:
+	case 394:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:2073
+		//line ./go/vt/sqlparser/sql.y:2082
 		{
 			yyVAL.limit = &Limit{Offset: yyDollar[2].expr, Rowcount: yyDollar[4].expr}
 		}
-	case 393:
+	case 395:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:2077
+		//line ./go/vt/sqlparser/sql.y:2086
 		{
 			yyVAL.limit = &Limit{Offset: yyDollar[4].expr, Rowcount: yyDollar[2].expr}
 		}
-	case 394:
+	case 396:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:2082
+		//line ./go/vt/sqlparser/sql.y:2091
 		{
 			yyVAL.str = ""
 		}
-	case 395:
+	case 397:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:2086
+		//line ./go/vt/sqlparser/sql.y:2095
 		{
 			yyVAL.str = ForUpdateStr
 		}
-	case 396:
+	case 398:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:2090
+		//line ./go/vt/sqlparser/sql.y:2099
 		{
 			yyVAL.str = ShareModeStr
 		}
-	case 397:
+	case 399:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:2103
+		//line ./go/vt/sqlparser/sql.y:2112
 		{
 			yyVAL.ins = &Insert{Rows: yyDollar[2].values}
 		}
-	case 398:
+	case 400:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2107
+		//line ./go/vt/sqlparser/sql.y:2116
 		{
 			yyVAL.ins = &Insert{Rows: yyDollar[1].selStmt}
 		}
-	case 399:
+	case 401:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:2111
+		//line ./go/vt/sqlparser/sql.y:2120
 		{
 			// Drop the redundant parenthesis.
 			yyVAL.ins = &Insert{Rows: yyDollar[2].selStmt}
 		}
-	case 400:
+	case 402:
 		yyDollar = yyS[yypt-5 : yypt+1]
-		//line sql.y:2116
+		//line ./go/vt/sqlparser/sql.y:2125
 		{
 			yyVAL.ins = &Insert{Columns: yyDollar[2].columns, Rows: yyDollar[5].values}
 		}
-	case 401:
+	case 403:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line sql.y:2120
+		//line ./go/vt/sqlparser/sql.y:2129
 		{
 			yyVAL.ins = &Insert{Columns: yyDollar[2].columns, Rows: yyDollar[4].selStmt}
 		}
-	case 402:
+	case 404:
 		yyDollar = yyS[yypt-6 : yypt+1]
-		//line sql.y:2124
+		//line ./go/vt/sqlparser/sql.y:2133
 		{
 			// Drop the redundant parenthesis.
 			yyVAL.ins = &Insert{Columns: yyDollar[2].columns, Rows: yyDollar[5].selStmt}
 		}
-	case 403:
+	case 405:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2131
+		//line ./go/vt/sqlparser/sql.y:2140
 		{
 			yyVAL.columns = Columns{yyDollar[1].colIdent}
 		}
-	case 404:
+	case 406:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:2135
+		//line ./go/vt/sqlparser/sql.y:2144
 		{
 			yyVAL.columns = Columns{yyDollar[3].colIdent}
 		}
-	case 405:
+	case 407:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:2139
+		//line ./go/vt/sqlparser/sql.y:2148
 		{
 			yyVAL.columns = append(yyVAL.columns, yyDollar[3].colIdent)
 		}
-	case 406:
+	case 408:
 		yyDollar = yyS[yypt-5 : yypt+1]
-		//line sql.y:2143
+		//line ./go/vt/sqlparser/sql.y:2152
 		{
 			yyVAL.columns = append(yyVAL.columns, yyDollar[5].colIdent)
 		}
-	case 407:
+	case 409:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:2148
+		//line ./go/vt/sqlparser/sql.y:2157
 		{
 			yyVAL.updateExprs = nil
 		}
-	case 408:
+	case 410:
 		yyDollar = yyS[yypt-5 : yypt+1]
-		//line sql.y:2152
+		//line ./go/vt/sqlparser/sql.y:2161
 		{
 			yyVAL.updateExprs = yyDollar[5].updateExprs
 		}
-	case 409:
+	case 411:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2158
+		//line ./go/vt/sqlparser/sql.y:2167
 		{
 			yyVAL.values = Values{yyDollar[1].valTuple}
 		}
-	case 410:
+	case 412:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:2162
+		//line ./go/vt/sqlparser/sql.y:2171
 		{
 			yyVAL.values = append(yyDollar[1].values, yyDollar[3].valTuple)
 		}
-	case 411:
+	case 413:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2168
+		//line ./go/vt/sqlparser/sql.y:2177
 		{
 			yyVAL.valTuple = yyDollar[1].valTuple
 		}
-	case 412:
+	case 414:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:2172
+		//line ./go/vt/sqlparser/sql.y:2181
 		{
 			yyVAL.valTuple = ValTuple{}
 		}
-	case 413:
+	case 415:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:2178
+		//line ./go/vt/sqlparser/sql.y:2187
 		{
 			yyVAL.valTuple = ValTuple(yyDollar[2].exprs)
 		}
-	case 414:
+	case 416:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2184
+		//line ./go/vt/sqlparser/sql.y:2193
 		{
 			if len(yyDollar[1].valTuple) == 1 {
 				yyVAL.expr = &ParenExpr{yyDollar[1].valTuple[0]}
@@ -4519,258 +4536,258 @@ yydefault:
 				yyVAL.expr = yyDollar[1].valTuple
 			}
 		}
-	case 415:
+	case 417:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2194
+		//line ./go/vt/sqlparser/sql.y:2203
 		{
 			yyVAL.updateExprs = UpdateExprs{yyDollar[1].updateExpr}
 		}
-	case 416:
+	case 418:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:2198
+		//line ./go/vt/sqlparser/sql.y:2207
 		{
 			yyVAL.updateExprs = append(yyDollar[1].updateExprs, yyDollar[3].updateExpr)
 		}
-	case 417:
+	case 419:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:2204
+		//line ./go/vt/sqlparser/sql.y:2213
 		{
 			yyVAL.updateExpr = &UpdateExpr{Name: yyDollar[1].colName, Expr: yyDollar[3].expr}
 		}
-	case 420:
+	case 422:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:2213
+		//line ./go/vt/sqlparser/sql.y:2222
 		{
 			yyVAL.byt = 0
 		}
-	case 421:
+	case 423:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:2215
+		//line ./go/vt/sqlparser/sql.y:2224
 		{
 			yyVAL.byt = 1
 		}
-	case 422:
+	case 424:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:2218
+		//line ./go/vt/sqlparser/sql.y:2227
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 423:
+	case 425:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line sql.y:2220
+		//line ./go/vt/sqlparser/sql.y:2229
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 424:
+	case 426:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:2223
+		//line ./go/vt/sqlparser/sql.y:2232
 		{
 			yyVAL.str = ""
 		}
-	case 425:
-		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2225
-		{
-			yyVAL.str = IgnoreStr
-		}
-	case 426:
-		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2229
-		{
-			yyVAL.empty = struct{}{}
-		}
 	case 427:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2231
+		//line ./go/vt/sqlparser/sql.y:2234
 		{
-			yyVAL.empty = struct{}{}
+			yyVAL.str = IgnoreStr
 		}
 	case 428:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2233
+		//line ./go/vt/sqlparser/sql.y:2238
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 429:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2235
+		//line ./go/vt/sqlparser/sql.y:2240
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 430:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2237
+		//line ./go/vt/sqlparser/sql.y:2242
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 431:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2239
+		//line ./go/vt/sqlparser/sql.y:2244
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 432:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2241
+		//line ./go/vt/sqlparser/sql.y:2246
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 433:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2243
+		//line ./go/vt/sqlparser/sql.y:2248
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 434:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2245
+		//line ./go/vt/sqlparser/sql.y:2250
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 435:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2247
+		//line ./go/vt/sqlparser/sql.y:2252
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 436:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2249
+		//line ./go/vt/sqlparser/sql.y:2254
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 437:
-		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:2252
+		yyDollar = yyS[yypt-1 : yypt+1]
+		//line ./go/vt/sqlparser/sql.y:2256
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 438:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2254
+		//line ./go/vt/sqlparser/sql.y:2258
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 439:
-		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2256
+		yyDollar = yyS[yypt-0 : yypt+1]
+		//line ./go/vt/sqlparser/sql.y:2261
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 440:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2260
+		//line ./go/vt/sqlparser/sql.y:2263
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 441:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2262
+		//line ./go/vt/sqlparser/sql.y:2265
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 442:
-		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:2265
+		yyDollar = yyS[yypt-1 : yypt+1]
+		//line ./go/vt/sqlparser/sql.y:2269
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 443:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2267
+		//line ./go/vt/sqlparser/sql.y:2271
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 444:
-		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2269
+		yyDollar = yyS[yypt-0 : yypt+1]
+		//line ./go/vt/sqlparser/sql.y:2274
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 445:
-		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:2272
+		yyDollar = yyS[yypt-1 : yypt+1]
+		//line ./go/vt/sqlparser/sql.y:2276
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 446:
-		yyDollar = yyS[yypt-2 : yypt+1]
-		//line sql.y:2274
+		yyDollar = yyS[yypt-1 : yypt+1]
+		//line ./go/vt/sqlparser/sql.y:2278
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 447:
-		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2278
+		yyDollar = yyS[yypt-0 : yypt+1]
+		//line ./go/vt/sqlparser/sql.y:2281
 		{
-			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
+			yyVAL.empty = struct{}{}
 		}
 	case 448:
+		yyDollar = yyS[yypt-2 : yypt+1]
+		//line ./go/vt/sqlparser/sql.y:2283
+		{
+			yyVAL.empty = struct{}{}
+		}
+	case 449:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2282
+		//line ./go/vt/sqlparser/sql.y:2287
 		{
 			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
 		}
 	case 450:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2289
+		//line ./go/vt/sqlparser/sql.y:2291
 		{
 			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
 		}
-	case 451:
+	case 452:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2295
+		//line ./go/vt/sqlparser/sql.y:2298
 		{
-			yyVAL.tableIdent = NewTableIdent(string(yyDollar[1].bytes))
+			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
 		}
-	case 452:
+	case 453:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2299
+		//line ./go/vt/sqlparser/sql.y:2304
 		{
 			yyVAL.tableIdent = NewTableIdent(string(yyDollar[1].bytes))
 		}
 	case 454:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2306
+		//line ./go/vt/sqlparser/sql.y:2308
+		{
+			yyVAL.tableIdent = NewTableIdent(string(yyDollar[1].bytes))
+		}
+	case 456:
+		yyDollar = yyS[yypt-1 : yypt+1]
+		//line ./go/vt/sqlparser/sql.y:2315
 		{
 			yyVAL.tableIdent = NewTableIdent(string(yyDollar[1].bytes))
 		}
-	case 605:
+	case 607:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2482
+		//line ./go/vt/sqlparser/sql.y:2491
 		{
 			if incNesting(yylex) {
 				yylex.Error("max nesting level reached")
 				return 1
 			}
 		}
-	case 606:
+	case 608:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2491
+		//line ./go/vt/sqlparser/sql.y:2500
 		{
 			decNesting(yylex)
 		}
-	case 607:
+	case 609:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:2496
+		//line ./go/vt/sqlparser/sql.y:2505
 		{
 			forceEOF(yylex)
 		}
-	case 608:
+	case 610:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line sql.y:2501
+		//line ./go/vt/sqlparser/sql.y:2510
 		{
 			forceEOF(yylex)
 		}
-	case 609:
+	case 611:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2505
+		//line ./go/vt/sqlparser/sql.y:2514
 		{
 			forceEOF(yylex)
 		}
-	case 610:
+	case 612:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line sql.y:2509
+		//line ./go/vt/sqlparser/sql.y:2518
 		{
 			forceEOF(yylex)
 		}
diff --git a/go/vt/sqlparser/sql.y b/go/vt/sqlparser/sql.y
index 1c0642d273a..801fb16016f 100644
--- a/go/vt/sqlparser/sql.y
+++ b/go/vt/sqlparser/sql.y
@@ -233,7 +233,7 @@ func forceEOF(yylex interface{}) {
 %type <byt> exists_opt
 %type <empty> not_exists_opt non_rename_operation to_opt index_opt constraint_opt using_opt
 %type <bytes> reserved_keyword non_reserved_keyword
-%type <colIdent> sql_id reserved_sql_id col_alias as_ci_opt
+%type <colIdent> sql_id reserved_sql_id col_alias as_ci_opt charset_value
 %type <tableIdent> table_id reserved_table_id table_alias as_opt_id
 %type <empty> as_opt
 %type <empty> force_eof ddl_force_eof
@@ -403,7 +403,7 @@ table_name_list:
   }
 
 set_statement:
-  SET comment_opt charset_or_character_set reserved_sql_id force_eof
+  SET comment_opt charset_or_character_set charset_value force_eof
   {
     $$ = &Set{Comments: Comments($2), Charset: $4}
   }
@@ -417,6 +417,15 @@ charset_or_character_set:
 | CHARACTER SET
 | NAMES
 
+charset_value:
+  reserved_sql_id
+  {
+    $$ = $1
+  }
+| STRING
+  {
+    $$ = NewColIdent(string($1))
+  }
 
 create_statement:
   create_table_prefix table_spec
diff --git a/go/vt/vtgate/executor.go b/go/vt/vtgate/executor.go
index 2f4822777d3..ef3f2945ba2 100644
--- a/go/vt/vtgate/executor.go
+++ b/go/vt/vtgate/executor.go
@@ -328,7 +328,7 @@ func (e *Executor) handleSet(ctx context.Context, session *vtgatepb.Session, sql
 			default:
 				return nil, vterrors.Errorf(vtrpcpb.Code_INVALID_ARGUMENT, "disallowed value for character_set_results: %v", v)
 			}
-		case "net_write_timeout", "net_read_timeout":
+		case "net_write_timeout", "net_read_timeout", "lc_messages":
 			log.Warningf("Ignored inapplicable SET %v = %v", k, v)
 			warnings.Add("IgnoredSet", 1)
 		default:
diff --git a/go/vt/vttablet/endtoend/framework/testcase.go b/go/vt/vttablet/endtoend/framework/testcase.go
index 37d09c6f19a..21dd13eacc7 100644
--- a/go/vt/vttablet/endtoend/framework/testcase.go
+++ b/go/vt/vttablet/endtoend/framework/testcase.go
@@ -142,7 +142,7 @@ func (tc *TestCase) Test(name string, client *QueryClient) error {
 			got = append(got, str)
 		}
 		if !reflect.DeepEqual(got, tc.Rewritten) {
-			errs = append(errs, fmt.Sprintf("Rewritten mismatch:\n'%+v' does not match\n'%+v'", got, tc.Rewritten))
+			errs = append(errs, fmt.Sprintf("Rewritten mismatch:\n'%q' does not match\n'%q'", got, tc.Rewritten))
 		}
 	}
 	if tc.Plan != "" {
diff --git a/go/vt/vttablet/endtoend/main_test.go b/go/vt/vttablet/endtoend/main_test.go
index b17935e443a..257578087a2 100644
--- a/go/vt/vttablet/endtoend/main_test.go
+++ b/go/vt/vttablet/endtoend/main_test.go
@@ -132,7 +132,7 @@ create table vitess_ints(tiny tinyint default 0, tinyu tinyint unsigned default
 create table vitess_fracts(id int default 0, deci decimal(5,2) default null, num numeric(5,2) default null, f float default null, d double default null, primary key(id));
 create table vitess_strings(vb varbinary(16) default 'vb', c char(16) default null, vc varchar(16) default null, b binary(4) default null, tb tinyblob default null, bl blob default null, ttx tinytext default null, tx text default null, en enum('a','b') default null, s set('a','b') default null, primary key(vb));
 create table vitess_misc(id int default 0, b bit(8) default null, d date default null, dt datetime default null, t time default null, g geometry default null, primary key(id));
-create table vitess_unsupported(id int default 0, pt point default null, primary key(id));
+create table vitess_bit_default(id bit(8) default b'101', primary key(id));
 
 create table vitess_bool(auto int auto_increment, bval tinyint(1) default 0, sval varchar(16) default '', ival int default null, primary key (auto));
 
@@ -184,7 +184,7 @@ var tableACLConfig = `{
     },
     {
       "name": "vitess",
-      "table_names_or_prefixes": ["vitess_a", "vitess_b", "vitess_c", "dual", "vitess_d", "vitess_temp", "vitess_e", "vitess_f", "vitess_mixed_case", "upsert_test", "vitess_strings", "vitess_fracts", "vitess_ints", "vitess_misc", "vitess_big", "vitess_view", "vitess_json", "vitess_bool", "vitess_autoinc_seq"],
+      "table_names_or_prefixes": ["vitess_a", "vitess_b", "vitess_c", "dual", "vitess_d", "vitess_temp", "vitess_e", "vitess_f", "vitess_mixed_case", "upsert_test", "vitess_strings", "vitess_fracts", "vitess_ints", "vitess_misc", "vitess_bit_default", "vitess_big", "vitess_view", "vitess_json", "vitess_bool", "vitess_autoinc_seq"],
       "readers": ["dev"],
       "writers": ["dev"],
       "admins": ["dev"]
diff --git a/go/vt/vttablet/endtoend/queries_test.go b/go/vt/vttablet/endtoend/queries_test.go
index 8c72c225c01..fc9456b8bbd 100644
--- a/go/vt/vttablet/endtoend/queries_test.go
+++ b/go/vt/vttablet/endtoend/queries_test.go
@@ -20,8 +20,9 @@ import (
 	"testing"
 
 	"github.com/youtube/vitess/go/sqltypes"
-	querypb "github.com/youtube/vitess/go/vt/proto/query"
 	"github.com/youtube/vitess/go/vt/vttablet/endtoend/framework"
+
+	querypb "github.com/youtube/vitess/go/vt/proto/query"
 )
 
 var frameworkErrors = `fail failed:
@@ -30,8 +31,8 @@ Result mismatch:
 '[[2 1] [1 2]]'
 RowsAffected mismatch: 2, want 1
 Rewritten mismatch:
-'[select eid, id from vitess_a where 1 != 1 union select eid, id from vitess_b where 1 != 1 select /* fail */ eid, id from vitess_a union select eid, id from vitess_b limit 10001]' does not match
-'[select eid id from vitess_a where 1 != 1 union select eid, id from vitess_b where 1 != 1 select /* fail */ eid, id from vitess_a union select eid, id from vitess_b]'
+'["select eid, id from vitess_a where 1 != 1 union select eid, id from vitess_b where 1 != 1" "select /* fail */ eid, id from vitess_a union select eid, id from vitess_b limit 10001"]' does not match
+'["select eid id from vitess_a where 1 != 1 union select eid, id from vitess_b where 1 != 1" "select /* fail */ eid, id from vitess_a union select eid, id from vitess_b"]'
 Plan mismatch: PASS_SELECT, want aa`
 
 func TestTheFramework(t *testing.T) {
@@ -58,7 +59,8 @@ func TestTheFramework(t *testing.T) {
 	}
 }
 
-func TestNocacheCases(t *testing.T) {
+// TODO(sougou): break this up into smaller parts.
+func TestQueries(t *testing.T) {
 	client := framework.NewClient()
 
 	testCases := []framework.Testable{
@@ -1794,3 +1796,36 @@ func TestNocacheCases(t *testing.T) {
 		}
 	}
 }
+
+func TestBitDefault(t *testing.T) {
+	client := framework.NewClient()
+
+	testCases := []framework.Testable{
+		&framework.MultiCase{
+			Name: "bit default value",
+			Cases: []framework.Testable{
+				framework.TestQuery("begin"),
+				&framework.TestCase{
+					Query: "insert into vitess_bit_default values()",
+					Rewritten: []string{
+						"insert into vitess_bit_default(id) values ('\x05') /* _stream vitess_bit_default (id ) ('BQ==' )",
+					},
+					RowsAffected: 1,
+				},
+				framework.TestQuery("commit"),
+				&framework.TestCase{
+					Query: "select hex(id) from vitess_bit_default",
+					Result: [][]string{
+						{"5"},
+					},
+					RowsAffected: 1,
+				},
+			},
+		},
+	}
+	for _, tcase := range testCases {
+		if err := tcase.Test("", client); err != nil {
+			t.Error(err)
+		}
+	}
+}
diff --git a/go/vt/vttablet/tabletserver/planbuilder/dml.go b/go/vt/vttablet/tabletserver/planbuilder/dml.go
index b34c91fe4f3..20e36df475f 100644
--- a/go/vt/vttablet/tabletserver/planbuilder/dml.go
+++ b/go/vt/vttablet/tabletserver/planbuilder/dml.go
@@ -17,13 +17,12 @@ limitations under the License.
 package planbuilder
 
 import (
-	"errors"
-	"fmt"
-
 	log "github.com/golang/glog"
 
 	"github.com/youtube/vitess/go/sqltypes"
+	vtrpcpb "github.com/youtube/vitess/go/vt/proto/vtrpc"
 	"github.com/youtube/vitess/go/vt/sqlparser"
+	"github.com/youtube/vitess/go/vt/vterrors"
 	"github.com/youtube/vitess/go/vt/vttablet/tabletserver/schema"
 )
 
@@ -186,7 +185,7 @@ func analyzeSelect(sel *sqlparser.Select, tables map[string]*schema.Table) (plan
 	// Check if it's a NEXT VALUE statement.
 	if nextVal, ok := sel.SelectExprs[0].(sqlparser.Nextval); ok {
 		if table.Type != schema.Sequence {
-			return nil, fmt.Errorf("%s is not a sequence", tableName)
+			return nil, vterrors.Errorf(vtrpcpb.Code_INVALID_ARGUMENT, "%s is not a sequence", tableName)
 		}
 		plan.PlanID = PlanNextval
 		v, err := sqlparser.NewPlanValue(nextVal.Expr)
@@ -338,7 +337,7 @@ func analyzeInsertNoType(ins *sqlparser.Insert, plan *Plan, table *schema.Table)
 		for _, col := range ins.Columns {
 			colIndex := table.FindColumn(col)
 			if colIndex == -1 {
-				return nil, fmt.Errorf("column %v not found in table %s", col, table.Name)
+				return nil, vterrors.Errorf(vtrpcpb.Code_NOT_FOUND, "column %v not found in table %s", col, table.Name)
 			}
 			plan.ColumnNumbers = append(plan.ColumnNumbers, colIndex)
 		}
@@ -348,9 +347,19 @@ func analyzeInsertNoType(ins *sqlparser.Insert, plan *Plan, table *schema.Table)
 
 	// If it's not a sqlparser.SelectStatement, it's Values.
 	rowList := ins.Rows.(sqlparser.Values)
-	for _, row := range rowList {
-		if len(row) != len(ins.Columns) {
-			return nil, errors.New("column count doesn't match value count")
+	for i := range rowList {
+		if len(rowList[i]) == 0 {
+			for _, col := range table.Columns {
+				expr, err := sqlparser.ExprFromValue(col.Default)
+				if err != nil {
+					return nil, vterrors.Wrap(err, "could not create default row for insert without row values")
+				}
+				rowList[i] = append(rowList[i], expr)
+			}
+			continue
+		}
+		if len(rowList[i]) != len(ins.Columns) {
+			return nil, vterrors.New(vtrpcpb.Code_INVALID_ARGUMENT, "column count doesn't match value count")
 		}
 	}
 	plan.PKValues = getInsertPKValues(pkColumnNumbers, rowList, table)
@@ -406,7 +415,7 @@ func analyzeInsertNoType(ins *sqlparser.Insert, plan *Plan, table *schema.Table)
 		if node, ok := node.(*sqlparser.ValuesFuncExpr); ok {
 			colnum := ins.Columns.FindColumn(node.Name)
 			if colnum == -1 {
-				formatErr = fmt.Errorf("could not find column %v", node.Name)
+				formatErr = vterrors.Errorf(vtrpcpb.Code_NOT_FOUND, "could not find column %v", node.Name)
 				return
 			}
 			buf.Myprintf("(%v)", rowList[0][colnum])
@@ -422,20 +431,20 @@ func analyzeInsertNoType(ins *sqlparser.Insert, plan *Plan, table *schema.Table)
 
 func analyzeInsertMessage(ins *sqlparser.Insert, plan *Plan, table *schema.Table) (*Plan, error) {
 	if _, ok := ins.Rows.(sqlparser.SelectStatement); ok {
-		return nil, fmt.Errorf("subquery not allowed for message table: %s", table.Name.String())
+		return nil, vterrors.Errorf(vtrpcpb.Code_INVALID_ARGUMENT, "subquery not allowed for message table: %s", table.Name.String())
 	}
 	if ins.OnDup != nil {
-		return nil, fmt.Errorf("'on duplicate key' construct not allowed for message table: %s", table.Name.String())
+		return nil, vterrors.Errorf(vtrpcpb.Code_INVALID_ARGUMENT, "'on duplicate key' construct not allowed for message table: %s", table.Name.String())
 	}
 	if len(ins.Columns) == 0 {
-		return nil, fmt.Errorf("column list must be specified for message table insert: %s", table.Name.String())
+		return nil, vterrors.Errorf(vtrpcpb.Code_INVALID_ARGUMENT, "column list must be specified for message table insert: %s", table.Name.String())
 	}
 
 	// Sanity check first so we don't have to repeat this.
 	rowList := ins.Rows.(sqlparser.Values)
 	for _, row := range rowList {
 		if len(row) != len(ins.Columns) {
-			return nil, errors.New("column count doesn't match value count")
+			return nil, vterrors.New(vtrpcpb.Code_INVALID_ARGUMENT, "column count doesn't match value count")
 		}
 	}
 
@@ -453,34 +462,35 @@ func analyzeInsertMessage(ins *sqlparser.Insert, plan *Plan, table *schema.Table
 	col = sqlparser.NewColIdent("time_next")
 	num := ins.Columns.FindColumn(col)
 	if num != -1 {
-		return nil, fmt.Errorf("%s must not be specified for message insert", col.String())
+		return nil, vterrors.Errorf(vtrpcpb.Code_INVALID_ARGUMENT, "%s must not be specified for message insert", col.String())
 	}
 	_ = copyVal(ins, col, scheduleIndex)
 
 	// time_created should always be now.
 	col = sqlparser.NewColIdent("time_created")
 	if num := ins.Columns.FindColumn(col); num >= 0 {
-		return nil, fmt.Errorf("%s must not be specified for message insert", col.String())
+
+		return nil, vterrors.Errorf(vtrpcpb.Code_INVALID_ARGUMENT, "%s must not be specified for message insert", col.String())
 	}
 	_ = addVal(ins, col, timeNow)
 
 	// epoch should always be 0.
 	col = sqlparser.NewColIdent("epoch")
 	if num := ins.Columns.FindColumn(col); num >= 0 {
-		return nil, fmt.Errorf("%s must not be specified for message insert", col.String())
+		return nil, vterrors.Errorf(vtrpcpb.Code_INVALID_ARGUMENT, "%s must not be specified for message insert", col.String())
 	}
 	_ = addVal(ins, col, sqlparser.NewIntVal([]byte("0")))
 
 	// time_acked should must not be specified.
 	col = sqlparser.NewColIdent("time_acked")
 	if num := ins.Columns.FindColumn(col); num >= 0 {
-		return nil, fmt.Errorf("%s must not be specified for message insert", col.String())
+		return nil, vterrors.Errorf(vtrpcpb.Code_INVALID_ARGUMENT, "%s must not be specified for message insert", col.String())
 	}
 
 	col = sqlparser.NewColIdent("id")
 	num = ins.Columns.FindColumn(col)
 	if num < 0 {
-		return nil, fmt.Errorf("%s must be specified for message insert", col.String())
+		return nil, vterrors.Errorf(vtrpcpb.Code_INVALID_ARGUMENT, "%s must be specified for message insert", col.String())
 	}
 
 	pkColumnNumbers := getInsertPKColumns(ins.Columns, table)
diff --git a/go/vt/vttablet/tabletserver/planbuilder/plan_test.go b/go/vt/vttablet/tabletserver/planbuilder/plan_test.go
index 6afe4ddfc4e..211cd3fed1f 100644
--- a/go/vt/vttablet/tabletserver/planbuilder/plan_test.go
+++ b/go/vt/vttablet/tabletserver/planbuilder/plan_test.go
@@ -219,7 +219,7 @@ func loadSchema(name string) map[string]*schema.Table {
 	if err != nil {
 		panic(err)
 	}
-	tables := make([]*schema.Table, 0, 8)
+	tables := make([]*schema.Table, 0, 10)
 	err = json.Unmarshal(b, &tables)
 	if err != nil {
 		panic(err)
diff --git a/go/vt/vttablet/tabletserver/schema/load_table.go b/go/vt/vttablet/tabletserver/schema/load_table.go
index 48a2e27ce4d..b0624280b6a 100644
--- a/go/vt/vttablet/tabletserver/schema/load_table.go
+++ b/go/vt/vttablet/tabletserver/schema/load_table.go
@@ -73,9 +73,26 @@ func fetchColumns(ta *Table, conn *connpool.DBConn, sqlTableName string) error {
 		name := row[0].ToString()
 		columnType, ok := fieldTypes[name]
 		if !ok {
+			// This code is unreachable.
 			log.Warningf("Table: %s, column %s not found in select list, skipping.", ta.Name, name)
 			continue
 		}
+		// BIT data type default value representation differs from how
+		// it's returned. It's represented as b'101', but returned in
+		// its binary form. Extract the binary form.
+		if columnType == querypb.Type_BIT && row[4].ToString() != "" {
+			query := fmt.Sprintf("select %s", row[4].ToString())
+			r, err := conn.Exec(tabletenv.LocalContext(), query, 10000, false)
+			if err != nil {
+				return err
+			}
+			if len(r.Rows) != 1 || len(r.Rows[0]) != 1 {
+				// This code is unreachable.
+				return fmt.Errorf("Invalid rows returned from %s: %v", query, r.Rows)
+			}
+			// overwrite the original value with the new one.
+			row[4] = r.Rows[0][0]
+		}
 		ta.AddColumn(name, columnType, row[4], row[5].ToString())
 	}
 	return nil
diff --git a/go/vt/vttablet/tabletserver/schema/load_table_test.go b/go/vt/vttablet/tabletserver/schema/load_table_test.go
index 0d18d562f85..701739abc98 100644
--- a/go/vt/vttablet/tabletserver/schema/load_table_test.go
+++ b/go/vt/vttablet/tabletserver/schema/load_table_test.go
@@ -200,6 +200,22 @@ func TestLoadTableMessage(t *testing.T) {
 	}
 }
 
+func TestLoadTableWithBitColumn(t *testing.T) {
+	db := fakesqldb.New(t)
+	defer db.Close()
+	for query, result := range getTestLoadTableWithBitColumnQueries() {
+		db.AddQuery(query, result)
+	}
+	table, err := newTestLoadTable("USER_TABLE", "test table", db)
+	if err != nil {
+		t.Fatal(err)
+	}
+	wantValue := sqltypes.MakeTrusted(sqltypes.Bit, []byte{1, 0, 1})
+	if got, want := table.Columns[1].Default, wantValue; !reflect.DeepEqual(got, want) {
+		t.Errorf("Default bit value: %v, want %v", got, want)
+	}
+}
+
 func newTestLoadTable(tableType string, comment string, db *fakesqldb.DB) (*Table, error) {
 	ctx := context.Background()
 	appParams := db.ConnParams()
@@ -303,3 +319,39 @@ func getMessageTableQueries() map[string]*sqltypes.Result {
 		},
 	}
 }
+
+func getTestLoadTableWithBitColumnQueries() map[string]*sqltypes.Result {
+	return map[string]*sqltypes.Result{
+		"select * from test_table where 1 != 1": {
+			Fields: []*querypb.Field{{
+				Name: "pk",
+				Type: sqltypes.Int32,
+			}, {
+				Name: "flags",
+				Type: sqltypes.Bit,
+			}},
+		},
+		"describe test_table": {
+			Fields:       mysql.DescribeTableFields,
+			RowsAffected: 2,
+			Rows: [][]sqltypes.Value{
+				mysql.DescribeTableRow("pk", "int(11)", false, "PRI", "0"),
+				mysql.DescribeTableRow("flags", "int(11)", false, "", "b'101'"),
+			},
+		},
+		"show index from test_table": {
+			Fields:       mysql.ShowIndexFromTableFields,
+			RowsAffected: 1,
+			Rows: [][]sqltypes.Value{
+				mysql.ShowIndexFromTableRow("test_table", true, "PRIMARY", 1, "pk", false),
+			},
+		},
+		"select b'101'": {
+			Fields:       sqltypes.MakeTestFields("", "varbinary"),
+			RowsAffected: 1,
+			Rows: [][]sqltypes.Value{
+				{sqltypes.MakeTrusted(sqltypes.VarBinary, []byte{1, 0, 1})},
+			},
+		},
+	}
+}