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ddl,expression: introduce
CtxWithHandleTruncateErrLevel to wrap a e…
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| // Copyright 2024 PingCAP, Inc. | ||
| // | ||
| // 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. | ||
|
|
||
| package context_test | ||
|
|
||
| import ( | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/pingcap/tidb/pkg/errctx" | ||
| "github.com/pingcap/tidb/pkg/expression/context" | ||
| "github.com/pingcap/tidb/pkg/expression/contextstatic" | ||
| "github.com/pingcap/tidb/pkg/types" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
|
|
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| func TestCtxWithHandleTruncateErrLevel(t *testing.T) { | ||
| for _, level := range []errctx.Level{errctx.LevelWarn, errctx.LevelIgnore, errctx.LevelError} { | ||
| originalLevelMap := errctx.LevelMap{errctx.ErrGroupDividedByZero: errctx.LevelError} | ||
| expectedLevelMap := originalLevelMap | ||
| expectedLevelMap[errctx.ErrGroupTruncate] = level | ||
|
|
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| originalFlags := types.DefaultStmtFlags | ||
| originalLoc := time.FixedZone("tz1", 3600*2) | ||
| var expectedFlags types.Flags | ||
| switch level { | ||
| case errctx.LevelError: | ||
| originalFlags = originalFlags.WithTruncateAsWarning(true) | ||
| originalLevelMap[errctx.ErrGroupTruncate] = errctx.LevelWarn | ||
| expectedFlags = originalFlags.WithTruncateAsWarning(false) | ||
| case errctx.LevelWarn: | ||
| expectedFlags = originalFlags.WithTruncateAsWarning(true) | ||
| case errctx.LevelIgnore: | ||
| expectedFlags = originalFlags.WithIgnoreTruncateErr(true) | ||
| default: | ||
| require.FailNow(t, "unexpected level") | ||
| } | ||
|
|
||
| evalCtx := contextstatic.NewStaticEvalContext( | ||
| contextstatic.WithTypeFlags(originalFlags), | ||
| contextstatic.WithLocation(originalLoc), | ||
| contextstatic.WithErrLevelMap(errctx.LevelMap{errctx.ErrGroupTruncate: level}), | ||
| ) | ||
|
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| tc, ec := evalCtx.TypeCtx(), evalCtx.ErrCtx() | ||
| ctx := contextstatic.NewStaticExprContext( | ||
| contextstatic.WithEvalCtx(evalCtx), | ||
| contextstatic.WithConnectionID(1234), | ||
| ) | ||
|
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| // override should take effect | ||
| newCtx := context.CtxWithHandleTruncateErrLevel(ctx, level) | ||
| newEvalCtx := newCtx.GetEvalCtx() | ||
| newTypeCtx, newErrCtx := newEvalCtx.TypeCtx(), newEvalCtx.ErrCtx() | ||
| require.Equal(t, expectedFlags, newTypeCtx.Flags()) | ||
| require.Equal(t, expectedLevelMap, newErrCtx.LevelMap()) | ||
|
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| // other fields should not change | ||
| require.Equal(t, originalLoc, newTypeCtx.Location()) | ||
| require.Equal(t, originalLoc, newEvalCtx.Location()) | ||
| require.Equal(t, uint64(1234), newCtx.ConnectionID()) | ||
|
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| // old ctx should not change | ||
| require.Same(t, evalCtx, ctx.GetEvalCtx()) | ||
| require.Equal(t, tc, evalCtx.TypeCtx()) | ||
| require.Equal(t, ec, evalCtx.ErrCtx()) | ||
| require.Same(t, originalLoc, evalCtx.Location()) | ||
| require.Equal(t, uint64(1234), ctx.ConnectionID()) | ||
|
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| // not create new ctx case | ||
| newCtx2 := context.CtxWithHandleTruncateErrLevel(newCtx, level) | ||
| require.Same(t, newCtx, newCtx2) | ||
| } | ||
| } |
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