diff --git a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Pipeline.json b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Pipeline.json
index 86582a37911e..93ab36504c41 100644
--- a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Pipeline.json
+++ b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Pipeline.json
@@ -952,12 +952,27 @@
         }
       }
     },
+    "TabularSource": {
+      "description": "Copy activity sources of tabular type.",
+      "type": "object",
+      "allOf": [
+        {
+          "$ref": "#/definitions/CopySource"
+        }
+      ],
+      "properties": {
+        "queryTimeout": {
+          "type": "object",
+          "description": "Query timeout. Type: string (or Expression with resultType string), pattern: ((\\d+)\\.)?(\\d\\d):(60|([0-5][0-9])):(60|([0-5][0-9]))."
+        }
+      }
+    },
     "AzureTableSource": {
       "description": "A copy activity Azure Table source.",
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -1010,6 +1025,10 @@
         "nestingSeparator": {
           "type": "object",
           "description": "Nested properties separator. Type: string (or Expression with resultType string)."
+        },
+        "queryTimeout": {
+          "type": "object",
+          "description": "Query timeout. Type: string (or Expression with resultType string), pattern: ((\\d+)\\.)?(\\d\\d):(60|([0-5][0-9])):(60|([0-5][0-9]))."
         }
       }
     },
@@ -1078,7 +1097,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -1108,7 +1127,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -1123,7 +1142,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -1138,7 +1157,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -1153,7 +1172,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -1168,7 +1187,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -1183,7 +1202,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -1213,7 +1232,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -1267,7 +1286,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -1282,7 +1301,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -1297,7 +1316,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -1316,7 +1335,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -1335,7 +1354,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -1447,7 +1466,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -1473,7 +1492,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -1503,7 +1522,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -1533,7 +1552,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -1563,7 +1582,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -1642,7 +1661,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -1745,7 +1764,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -1805,7 +1824,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -1870,6 +1889,10 @@
         "batchSize": {
           "type": "object",
           "description": "Specifies the number of documents to return in each batch of the response from MongoDB instance. In most cases, modifying the batch size will not affect the user or the application. This property's main purpose is to avoid hit the limitation of response size. Type: integer (or Expression with resultType integer)."
+        },
+        "queryTimeout": {
+          "type": "object",
+          "description": "Query timeout. Type: string (or Expression with resultType string), pattern: ((\\d+)\\.)?(\\d\\d):(60|([0-5][0-9])):(60|([0-5][0-9]))."
         }
       }
     },
@@ -1893,6 +1916,10 @@
         "batchSize": {
           "type": "object",
           "description": "Specifies the number of documents to return in each batch of the response from MongoDB instance. In most cases, modifying the batch size will not affect the user or the application. This property's main purpose is to avoid hit the limitation of response size. Type: integer (or Expression with resultType integer)."
+        },
+        "queryTimeout": {
+          "type": "object",
+          "description": "Query timeout. Type: string (or Expression with resultType string), pattern: ((\\d+)\\.)?(\\d\\d):(60|([0-5][0-9])):(60|([0-5][0-9]))."
         }
       }
     },
@@ -2010,7 +2037,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2025,7 +2052,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2070,7 +2097,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2085,7 +2112,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2100,7 +2127,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2115,7 +2142,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2130,7 +2157,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2145,7 +2172,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2160,7 +2187,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2175,7 +2202,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2190,7 +2217,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2205,7 +2232,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2220,7 +2247,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2235,7 +2262,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2250,7 +2277,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2265,7 +2292,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2280,7 +2307,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2295,7 +2322,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2310,7 +2337,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2325,7 +2352,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2340,7 +2367,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2355,7 +2382,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2370,7 +2397,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2385,7 +2412,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2400,7 +2427,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2415,7 +2442,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2430,7 +2457,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2445,7 +2472,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2495,7 +2522,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2510,7 +2537,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2525,7 +2552,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2540,7 +2567,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2555,7 +2582,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2570,7 +2597,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {
@@ -2585,7 +2612,7 @@
       "type": "object",
       "allOf": [
         {
-          "$ref": "#/definitions/CopySource"
+          "$ref": "#/definitions/TabularSource"
         }
       ],
       "properties": {