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[release-18.0] fix: route engine to handle column truncation for exec…
…ute after lookup (#16981) (#16983) Signed-off-by: Harshit Gangal <[email protected]> Co-authored-by: Harshit Gangal <[email protected]>
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/* | ||
Copyright 2024 The Vitess Authors. | ||
Licensed under the Apache License, Version 2.0 (the "License"); | ||
you may not use this file except in compliance with the License. | ||
You may obtain a copy of the License at | ||
http://www.apache.org/licenses/LICENSE-2.0 | ||
Unless required by applicable law or agreed to in writing, software | ||
distributed under the License is distributed on an "AS IS" BASIS, | ||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
See the License for the specific language governing permissions and | ||
limitations under the License. | ||
*/ | ||
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package engine | ||
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import ( | ||
"context" | ||
"testing" | ||
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"github.com/stretchr/testify/require" | ||
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"vitess.io/vitess/go/sqltypes" | ||
querypb "vitess.io/vitess/go/vt/proto/query" | ||
"vitess.io/vitess/go/vt/vtgate/evalengine" | ||
"vitess.io/vitess/go/vt/vtgate/vindexes" | ||
) | ||
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var ( | ||
vindex, _ = vindexes.CreateVindex("lookup_unique", "", map[string]string{ | ||
"table": "lkp", | ||
"from": "from", | ||
"to": "toc", | ||
"write_only": "true", | ||
}) | ||
ks = &vindexes.Keyspace{Name: "ks", Sharded: true} | ||
) | ||
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func TestVindexLookup(t *testing.T) { | ||
planableVindex, ok := vindex.(vindexes.LookupPlanable) | ||
require.True(t, ok, "not a lookup vindex") | ||
_, args := planableVindex.Query() | ||
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fp := &fakePrimitive{ | ||
results: []*sqltypes.Result{ | ||
sqltypes.MakeTestResult( | ||
sqltypes.MakeTestFields("id|keyspace_id", "int64|varbinary"), | ||
"1|\x10"), | ||
}, | ||
} | ||
route := NewRoute(ByDestination, ks, "dummy_select", "dummy_select_field") | ||
vdxLookup := &VindexLookup{ | ||
Opcode: EqualUnique, | ||
Keyspace: ks, | ||
Vindex: planableVindex, | ||
Arguments: args, | ||
Values: []evalengine.Expr{evalengine.NewLiteralInt(1)}, | ||
Lookup: fp, | ||
SendTo: route, | ||
} | ||
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vc := &loggingVCursor{results: []*sqltypes.Result{defaultSelectResult}} | ||
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result, err := vdxLookup.TryExecute(context.Background(), vc, map[string]*querypb.BindVariable{}, false) | ||
require.NoError(t, err) | ||
fp.ExpectLog(t, []string{`Execute from: type:TUPLE values:{type:INT64 value:"1"} false`}) | ||
vc.ExpectLog(t, []string{ | ||
`ResolveDestinations ks [type:INT64 value:"1"] Destinations:DestinationKeyspaceID(10)`, | ||
`ExecuteMultiShard ks.-20: dummy_select {} false false`, | ||
}) | ||
expectResult(t, "vindexlookup execute", result, defaultSelectResult) | ||
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fp.rewind() | ||
vc.Rewind() | ||
result, err = wrapStreamExecute(vdxLookup, vc, map[string]*querypb.BindVariable{}, false) | ||
require.NoError(t, err) | ||
vc.ExpectLog(t, []string{ | ||
`ResolveDestinations ks [type:INT64 value:"1"] Destinations:DestinationKeyspaceID(10)`, | ||
`StreamExecuteMulti dummy_select ks.-20: {} `, | ||
}) | ||
expectResult(t, "vindexlookup stream execute", result, defaultSelectResult) | ||
} | ||
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func TestVindexLookupTruncate(t *testing.T) { | ||
planableVindex, ok := vindex.(vindexes.LookupPlanable) | ||
require.True(t, ok, "not a lookup vindex") | ||
_, args := planableVindex.Query() | ||
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fp := &fakePrimitive{ | ||
results: []*sqltypes.Result{ | ||
sqltypes.MakeTestResult( | ||
sqltypes.MakeTestFields("id|keyspace_id", "int64|varbinary"), | ||
"1|\x10"), | ||
}, | ||
} | ||
route := NewRoute(ByDestination, ks, "dummy_select", "dummy_select_field") | ||
route.TruncateColumnCount = 1 | ||
vdxLookup := &VindexLookup{ | ||
Opcode: EqualUnique, | ||
Keyspace: ks, | ||
Vindex: planableVindex, | ||
Arguments: args, | ||
Values: []evalengine.Expr{evalengine.NewLiteralInt(1)}, | ||
Lookup: fp, | ||
SendTo: route, | ||
} | ||
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vc := &loggingVCursor{results: []*sqltypes.Result{ | ||
sqltypes.MakeTestResult(sqltypes.MakeTestFields("name|morecol", "varchar|int64"), | ||
"foo|1", "bar|2", "baz|3"), | ||
}} | ||
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wantRes := sqltypes.MakeTestResult(sqltypes.MakeTestFields("name", "varchar"), | ||
"foo", "bar", "baz") | ||
result, err := vdxLookup.TryExecute(context.Background(), vc, map[string]*querypb.BindVariable{}, false) | ||
require.NoError(t, err) | ||
fp.ExpectLog(t, []string{`Execute from: type:TUPLE values:{type:INT64 value:"1"} false`}) | ||
vc.ExpectLog(t, []string{ | ||
`ResolveDestinations ks [type:INT64 value:"1"] Destinations:DestinationKeyspaceID(10)`, | ||
`ExecuteMultiShard ks.-20: dummy_select {} false false`, | ||
}) | ||
expectResult(t, "vindexlookup execute", result, wantRes) | ||
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fp.rewind() | ||
vc.Rewind() | ||
result, err = wrapStreamExecute(vdxLookup, vc, map[string]*querypb.BindVariable{}, false) | ||
require.NoError(t, err) | ||
vc.ExpectLog(t, []string{ | ||
`ResolveDestinations ks [type:INT64 value:"1"] Destinations:DestinationKeyspaceID(10)`, | ||
`StreamExecuteMulti dummy_select ks.-20: {} `, | ||
}) | ||
expectResult(t, "vindexlookup stream execute", result, wantRes) | ||
} |