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[release-16.0] fix: cost to include subshard opcode (#14023) #14026

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Merged
harshit-gangal merged 1 commit into from
Sep 20, 2023
Merged

[release-16.0] fix: cost to include subshard opcode (#14023) #14026

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85 changes: 85 additions & 0 deletions go/vt/vtgate/planbuilder/testdata/from_cases.json
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Original file line number Diff line number Diff line change
Expand Up @@ -6499,5 +6499,90 @@
"zlookup_unique.t1"
]
}
},
{
"comment": "join query using table with muticolumn vindex",
"query": "select 1 from multicol_tbl m1 join multicol_tbl m2 on m1.cola = m2.cola",
"v3-plan": {
"QueryType": "SELECT",
"Original": "select 1 from multicol_tbl m1 join multicol_tbl m2 on m1.cola = m2.cola",
"Instructions": {
"OperatorType": "Join",
"Variant": "Join",
"JoinColumnIndexes": "L:0",
"JoinVars": {
"m1_cola": 1
},
"TableName": "multicol_tbl_multicol_tbl",
"Inputs": [
{
"OperatorType": "Route",
"Variant": "Scatter",
"Keyspace": {
"Name": "user",
"Sharded": true
},
"FieldQuery": "select 1, m1.cola from multicol_tbl as m1 where 1 != 1",
"Query": "select 1, m1.cola from multicol_tbl as m1",
"Table": "multicol_tbl"
},
{
"OperatorType": "Route",
"Variant": "Scatter",
"Keyspace": {
"Name": "user",
"Sharded": true
},
"FieldQuery": "select 1 from multicol_tbl as m2 where 1 != 1",
"Query": "select 1 from multicol_tbl as m2 where m2.cola = :m1_cola",
"Table": "multicol_tbl"
}
]
}
},
"gen4-plan": {
"QueryType": "SELECT",
"Original": "select 1 from multicol_tbl m1 join multicol_tbl m2 on m1.cola = m2.cola",
"Instructions": {
"OperatorType": "Join",
"Variant": "Join",
"JoinColumnIndexes": "L:1",
"JoinVars": {
"m1_cola": 0
},
"TableName": "multicol_tbl_multicol_tbl",
"Inputs": [
{
"OperatorType": "Route",
"Variant": "Scatter",
"Keyspace": {
"Name": "user",
"Sharded": true
},
"FieldQuery": "select m1.cola, 1 from multicol_tbl as m1 where 1 != 1",
"Query": "select m1.cola, 1 from multicol_tbl as m1",
"Table": "multicol_tbl"
},
{
"OperatorType": "Route",
"Variant": "SubShard",
"Keyspace": {
"Name": "user",
"Sharded": true
},
"FieldQuery": "select 1 from multicol_tbl as m2 where 1 != 1",
"Query": "select 1 from multicol_tbl as m2 where m2.cola = :m1_cola",
"Table": "multicol_tbl",
"Values": [
":m1_cola"
],
"Vindex": "multicolIdx"
}
]
},
"TablesUsed": [
"user.multicol_tbl"
]
}
}
]