506 lines
18 KiB
Go
506 lines
18 KiB
Go
// Copyright 2016 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package executor
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import (
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"fmt"
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"runtime"
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"strconv"
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"strings"
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"testing"
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"time"
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"unsafe"
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"github.com/hashicorp/go-version"
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"github.com/pingcap/tidb/pkg/domain"
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"github.com/pingcap/tidb/pkg/errctx"
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"github.com/pingcap/tidb/pkg/executor/aggfuncs"
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"github.com/pingcap/tidb/pkg/executor/join"
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"github.com/pingcap/tidb/pkg/kv"
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"github.com/pingcap/tidb/pkg/parser/ast"
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"github.com/pingcap/tidb/pkg/parser/mysql"
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"github.com/pingcap/tidb/pkg/sessionctx/variable"
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"github.com/pingcap/tidb/pkg/tablecodec"
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"github.com/pingcap/tidb/pkg/types"
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"github.com/pingcap/tidb/pkg/util/collate"
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"github.com/pingcap/tidb/pkg/util/memory"
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"github.com/pingcap/tidb/pkg/util/mock"
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"github.com/pingcap/tidb/pkg/util/ranger"
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"github.com/pingcap/tidb/pkg/util/tableutil"
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"github.com/stretchr/testify/require"
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)
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// Note: it's a tricky way to export the `inspectionSummaryRules` and `inspectionRules` for unit test but invisible for normal code
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var (
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InspectionSummaryRules = inspectionSummaryRules
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InspectionRules = inspectionRules
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)
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func TestBuildKvRangesForIndexJoinWithoutCwc(t *testing.T) {
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indexRanges := make([]*ranger.Range, 0, 6)
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indexRanges = append(indexRanges, generateIndexRange(1, 1, 1, 1, 1))
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indexRanges = append(indexRanges, generateIndexRange(1, 1, 2, 1, 1))
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indexRanges = append(indexRanges, generateIndexRange(1, 1, 2, 1, 2))
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indexRanges = append(indexRanges, generateIndexRange(1, 1, 3, 1, 1))
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indexRanges = append(indexRanges, generateIndexRange(2, 1, 1, 1, 1))
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indexRanges = append(indexRanges, generateIndexRange(2, 1, 2, 1, 1))
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joinKeyRows := make([]*join.IndexJoinLookUpContent, 0, 5)
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joinKeyRows = append(joinKeyRows, &join.IndexJoinLookUpContent{Keys: generateDatumSlice(1, 1)})
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joinKeyRows = append(joinKeyRows, &join.IndexJoinLookUpContent{Keys: generateDatumSlice(1, 2)})
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joinKeyRows = append(joinKeyRows, &join.IndexJoinLookUpContent{Keys: generateDatumSlice(2, 1)})
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joinKeyRows = append(joinKeyRows, &join.IndexJoinLookUpContent{Keys: generateDatumSlice(2, 2)})
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joinKeyRows = append(joinKeyRows, &join.IndexJoinLookUpContent{Keys: generateDatumSlice(2, 3)})
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keyOff2IdxOff := []int{1, 3}
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ctx := mock.NewContext()
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kvRanges, err := buildKvRangesForIndexJoin(ctx.GetDistSQLCtx(), ctx.GetRangerCtx(), 0, 0, joinKeyRows, indexRanges, keyOff2IdxOff, nil, nil, nil)
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require.NoError(t, err)
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// Check the kvRanges is in order.
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for i, kvRange := range kvRanges {
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require.True(t, kvRange.StartKey.Cmp(kvRange.EndKey) < 0)
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if i > 0 {
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require.True(t, kvRange.StartKey.Cmp(kvRanges[i-1].EndKey) >= 0)
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}
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}
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}
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func TestBuildKvRangesForIndexJoinWithoutCwcAndWithMemoryTracker(t *testing.T) {
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indexRanges := make([]*ranger.Range, 0, 6)
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indexRanges = append(indexRanges, generateIndexRange(1, 1, 1, 1, 1))
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indexRanges = append(indexRanges, generateIndexRange(1, 1, 2, 1, 1))
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indexRanges = append(indexRanges, generateIndexRange(1, 1, 2, 1, 2))
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indexRanges = append(indexRanges, generateIndexRange(1, 1, 3, 1, 1))
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indexRanges = append(indexRanges, generateIndexRange(2, 1, 1, 1, 1))
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indexRanges = append(indexRanges, generateIndexRange(2, 1, 2, 1, 1))
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bytesConsumed1 := int64(0)
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{
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joinKeyRows := make([]*join.IndexJoinLookUpContent, 0, 10)
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for i := int64(0); i < 10; i++ {
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joinKeyRows = append(joinKeyRows, &join.IndexJoinLookUpContent{Keys: generateDatumSlice(1, i)})
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}
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keyOff2IdxOff := []int{1, 3}
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ctx := mock.NewContext()
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memTracker := memory.NewTracker(memory.LabelForIndexWorker, -1)
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kvRanges, err := buildKvRangesForIndexJoin(ctx.GetDistSQLCtx(), ctx.GetRangerCtx(), 0, 0, joinKeyRows, indexRanges, keyOff2IdxOff, nil, memTracker, nil)
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require.NoError(t, err)
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// Check the kvRanges is in order.
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for i, kvRange := range kvRanges {
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require.True(t, kvRange.StartKey.Cmp(kvRange.EndKey) < 0)
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if i > 0 {
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require.True(t, kvRange.StartKey.Cmp(kvRanges[i-1].EndKey) >= 0)
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}
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}
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bytesConsumed1 = memTracker.BytesConsumed()
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}
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bytesConsumed2 := int64(0)
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{
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joinKeyRows := make([]*join.IndexJoinLookUpContent, 0, 20)
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for i := int64(0); i < 20; i++ {
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joinKeyRows = append(joinKeyRows, &join.IndexJoinLookUpContent{Keys: generateDatumSlice(1, i)})
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}
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keyOff2IdxOff := []int{1, 3}
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ctx := mock.NewContext()
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memTracker := memory.NewTracker(memory.LabelForIndexWorker, -1)
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kvRanges, err := buildKvRangesForIndexJoin(ctx.GetDistSQLCtx(), ctx.GetRangerCtx(), 0, 0, joinKeyRows, indexRanges, keyOff2IdxOff, nil, memTracker, nil)
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require.NoError(t, err)
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// Check the kvRanges is in order.
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for i, kvRange := range kvRanges {
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require.True(t, kvRange.StartKey.Cmp(kvRange.EndKey) < 0)
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if i > 0 {
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require.True(t, kvRange.StartKey.Cmp(kvRanges[i-1].EndKey) >= 0)
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}
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}
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bytesConsumed2 = memTracker.BytesConsumed()
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}
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require.Equal(t, 2*bytesConsumed1, bytesConsumed2)
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require.Equal(t, int64(25560), bytesConsumed1)
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}
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func generateIndexRange(vals ...int64) *ranger.Range {
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lowDatums := generateDatumSlice(vals...)
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highDatums := make([]types.Datum, len(vals))
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copy(highDatums, lowDatums)
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return &ranger.Range{LowVal: lowDatums, HighVal: highDatums, Collators: collate.GetBinaryCollatorSlice(len(lowDatums))}
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}
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func generateDatumSlice(vals ...int64) []types.Datum {
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datums := make([]types.Datum, len(vals))
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for i, val := range vals {
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datums[i].SetInt64(val)
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}
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return datums
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}
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func TestSlowQueryRuntimeStats(t *testing.T) {
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stats := &slowQueryRuntimeStats{
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totalFileNum: 2,
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readFileNum: 2,
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readFile: time.Second,
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initialize: time.Millisecond,
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readFileSize: 1024 * 1024 * 1024,
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parseLog: int64(time.Millisecond * 100),
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concurrent: 15,
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}
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require.Equal(t, "initialize: 1ms, read_file: 1s, parse_log: {time:100ms, concurrency:15}, total_file: 2, read_file: 2, read_size: 1024 MB", stats.String())
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require.Equal(t, stats.Clone().String(), stats.String())
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stats.Merge(stats.Clone())
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require.Equal(t, "initialize: 2ms, read_file: 2s, parse_log: {time:200ms, concurrency:15}, total_file: 4, read_file: 4, read_size: 2 GB", stats.String())
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}
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// Test whether the actual buckets in Golang Map is same with the estimated number.
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// The test relies on the implement of Golang Map. ref https://github.com/golang/go/blob/go1.13/src/runtime/map.go#L114
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func TestAggPartialResultMapperB(t *testing.T) {
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// skip err, since we guarantee the success of execution
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go113, _ := version.NewVersion(`1.13`)
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// go version format is `gox.y.z foobar`, we only need x.y.z part
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// The following is pretty hacky, but it only in test which is ok to do so.
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actualVer, err := version.NewVersion(runtime.Version()[2:6])
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if err != nil {
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t.Fatalf("Cannot get actual go version with error %v\n", err)
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}
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if actualVer.LessThan(go113) {
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t.Fatalf("Unsupported version and should never use any version less than go1.13\n")
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}
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type testCase struct {
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rowNum int
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expectedB int
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expectedGrowing bool
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}
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var cases []testCase
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// https://github.com/golang/go/issues/63438
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// in 1.21, the load factor of map is 6 rather than 6.5 and the go team refused to backport to 1.21.
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// https://github.com/golang/go/issues/65706
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// in 1.23, it has problem.
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if strings.Contains(runtime.Version(), `go1.21`) {
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cases = []testCase{
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{
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rowNum: 0,
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expectedB: 0,
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expectedGrowing: false,
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},
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{
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rowNum: 95,
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expectedB: 4,
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expectedGrowing: false,
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},
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{
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rowNum: 10000, // 6 * (1 << 11) is 12288
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expectedB: 11,
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expectedGrowing: false,
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},
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{
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rowNum: 1000000, // 6 * (1 << 18) is 1572864
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expectedB: 18,
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expectedGrowing: false,
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},
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{
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rowNum: 786432, // 6 * (1 << 17)
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expectedB: 17,
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expectedGrowing: false,
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},
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{
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rowNum: 786433, // 6 * (1 << 17) + 1
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expectedB: 18,
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expectedGrowing: true,
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},
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{
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rowNum: 393216, // 6 * (1 << 16)
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expectedB: 16,
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expectedGrowing: false,
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},
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{
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rowNum: 393217, // 6 * (1 << 16) + 1
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expectedB: 17,
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expectedGrowing: true,
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},
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}
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} else {
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cases = []testCase{
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{
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rowNum: 0,
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expectedB: 0,
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expectedGrowing: false,
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},
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{
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rowNum: 100,
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expectedB: 4,
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expectedGrowing: false,
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},
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{
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rowNum: 10000,
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expectedB: 11,
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expectedGrowing: false,
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},
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{
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rowNum: 1000000,
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expectedB: 18,
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expectedGrowing: false,
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},
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{
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rowNum: 851968, // 6.5 * (1 << 17)
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expectedB: 17,
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expectedGrowing: false,
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},
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{
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rowNum: 851969, // 6.5 * (1 << 17) + 1
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expectedB: 18,
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expectedGrowing: true,
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},
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{
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rowNum: 425984, // 6.5 * (1 << 16)
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expectedB: 16,
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expectedGrowing: false,
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},
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{
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rowNum: 425985, // 6.5 * (1 << 16) + 1
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expectedB: 17,
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expectedGrowing: true,
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},
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}
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}
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for _, tc := range cases {
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aggMap := make(aggfuncs.AggPartialResultMapper)
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tempSlice := make([]aggfuncs.PartialResult, 10)
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for num := 0; num < tc.rowNum; num++ {
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aggMap[strconv.Itoa(num)] = tempSlice
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}
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require.Equal(t, tc.expectedB, getB(aggMap))
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require.Equal(t, tc.expectedGrowing, getGrowing(aggMap))
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}
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}
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// A header for a Go map.
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// nolint:structcheck
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type hmap struct {
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// Note: the format of the hmap is also encoded in cmd/compile/internal/gc/reflect.go.
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// Make sure this stays in sync with the compiler's definition.
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count int // nolint:unused // # live cells == size of map. Must be first (used by len() builtin)
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flags uint8 // nolint:unused
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B uint8 // nolint:unused // log_2 of # of buckets (can hold up to loadFactor * 2^B items)
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noverflow uint16 // nolint:unused // approximate number of overflow buckets; see incrnoverflow for details
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hash0 uint32 // nolint:unused // hash seed
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buckets unsafe.Pointer // nolint:unused // array of 2^B Buckets. may be nil if count==0.
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oldbuckets unsafe.Pointer // nolint:unused // previous bucket array of half the size, non-nil only when growing
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nevacuate uintptr // nolint:unused // progress counter for evacuation (buckets less than this have been evacuated)
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}
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func getB(m aggfuncs.AggPartialResultMapper) int {
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point := (**hmap)(unsafe.Pointer(&m))
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value := *point
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return int(value.B)
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}
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func getGrowing(m aggfuncs.AggPartialResultMapper) bool {
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point := (**hmap)(unsafe.Pointer(&m))
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value := *point
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return value.oldbuckets != nil
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}
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func TestFilterTemporaryTableKeys(t *testing.T) {
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vars := variable.NewSessionVars(nil)
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const tableID int64 = 3
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vars.TxnCtx = &variable.TransactionContext{
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TxnCtxNoNeedToRestore: variable.TxnCtxNoNeedToRestore{
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TemporaryTables: map[int64]tableutil.TempTable{tableID: nil},
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},
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}
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res := filterTemporaryTableKeys(vars, []kv.Key{tablecodec.EncodeTablePrefix(tableID), tablecodec.EncodeTablePrefix(42)})
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require.Len(t, res, 1)
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}
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func TestErrLevelsForResetStmtContext(t *testing.T) {
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ctx := mock.NewContext()
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domain.BindDomain(ctx, &domain.Domain{})
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cases := []struct {
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name string
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sqlMode mysql.SQLMode
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stmt []ast.StmtNode
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levels errctx.LevelMap
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}{
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{
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name: "strict,write",
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sqlMode: mysql.ModeStrictAllTables | mysql.ModeErrorForDivisionByZero,
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stmt: []ast.StmtNode{&ast.InsertStmt{}, &ast.UpdateStmt{}, &ast.DeleteStmt{}},
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levels: func() (l errctx.LevelMap) {
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l[errctx.ErrGroupTruncate] = errctx.LevelError
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l[errctx.ErrGroupDupKey] = errctx.LevelError
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l[errctx.ErrGroupBadNull] = errctx.LevelError
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l[errctx.ErrGroupNoDefault] = errctx.LevelError
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l[errctx.ErrGroupDividedByZero] = errctx.LevelError
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l[errctx.ErrGroupAutoIncReadFailed] = errctx.LevelError
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l[errctx.ErrGroupNoMatchedPartition] = errctx.LevelError
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return
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}(),
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},
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{
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name: "non-strict,write",
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sqlMode: mysql.ModeErrorForDivisionByZero,
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stmt: []ast.StmtNode{&ast.InsertStmt{}, &ast.UpdateStmt{}, &ast.DeleteStmt{}},
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levels: func() (l errctx.LevelMap) {
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l[errctx.ErrGroupTruncate] = errctx.LevelWarn
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l[errctx.ErrGroupDupKey] = errctx.LevelError
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l[errctx.ErrGroupBadNull] = errctx.LevelWarn
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l[errctx.ErrGroupNoDefault] = errctx.LevelWarn
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l[errctx.ErrGroupDividedByZero] = errctx.LevelWarn
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l[errctx.ErrGroupAutoIncReadFailed] = errctx.LevelError
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l[errctx.ErrGroupNoMatchedPartition] = errctx.LevelError
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return
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}(),
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},
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{
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name: "strict,insert ignore",
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sqlMode: mysql.ModeStrictAllTables | mysql.ModeErrorForDivisionByZero,
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stmt: []ast.StmtNode{&ast.InsertStmt{IgnoreErr: true}},
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levels: func() (l errctx.LevelMap) {
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l[errctx.ErrGroupTruncate] = errctx.LevelWarn
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l[errctx.ErrGroupDupKey] = errctx.LevelWarn
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l[errctx.ErrGroupBadNull] = errctx.LevelWarn
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l[errctx.ErrGroupNoDefault] = errctx.LevelWarn
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l[errctx.ErrGroupDividedByZero] = errctx.LevelWarn
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l[errctx.ErrGroupAutoIncReadFailed] = errctx.LevelWarn
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l[errctx.ErrGroupNoMatchedPartition] = errctx.LevelWarn
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return
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}(),
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},
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{
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name: "strict,update ignore",
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sqlMode: mysql.ModeStrictAllTables | mysql.ModeErrorForDivisionByZero,
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stmt: []ast.StmtNode{&ast.UpdateStmt{IgnoreErr: true}},
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levels: func() (l errctx.LevelMap) {
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l[errctx.ErrGroupTruncate] = errctx.LevelWarn
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l[errctx.ErrGroupDupKey] = errctx.LevelWarn
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l[errctx.ErrGroupBadNull] = errctx.LevelWarn
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l[errctx.ErrGroupNoDefault] = errctx.LevelWarn
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l[errctx.ErrGroupDividedByZero] = errctx.LevelWarn
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l[errctx.ErrGroupAutoIncReadFailed] = errctx.LevelError
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l[errctx.ErrGroupNoMatchedPartition] = errctx.LevelWarn
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return
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}(),
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},
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{
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name: "strict,delete ignore",
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sqlMode: mysql.ModeStrictAllTables | mysql.ModeErrorForDivisionByZero,
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stmt: []ast.StmtNode{&ast.DeleteStmt{IgnoreErr: true}},
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levels: func() (l errctx.LevelMap) {
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l[errctx.ErrGroupTruncate] = errctx.LevelWarn
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l[errctx.ErrGroupDupKey] = errctx.LevelWarn
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l[errctx.ErrGroupBadNull] = errctx.LevelWarn
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l[errctx.ErrGroupNoDefault] = errctx.LevelWarn
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l[errctx.ErrGroupDividedByZero] = errctx.LevelWarn
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l[errctx.ErrGroupAutoIncReadFailed] = errctx.LevelError
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l[errctx.ErrGroupNoMatchedPartition] = errctx.LevelError
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return
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}(),
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},
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{
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name: "strict without error_for_division_by_zero,write",
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sqlMode: mysql.ModeStrictAllTables,
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stmt: []ast.StmtNode{&ast.InsertStmt{}, &ast.UpdateStmt{}, &ast.DeleteStmt{}},
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levels: func() (l errctx.LevelMap) {
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l[errctx.ErrGroupTruncate] = errctx.LevelError
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l[errctx.ErrGroupDupKey] = errctx.LevelError
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l[errctx.ErrGroupBadNull] = errctx.LevelError
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l[errctx.ErrGroupNoDefault] = errctx.LevelError
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l[errctx.ErrGroupDividedByZero] = errctx.LevelIgnore
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l[errctx.ErrGroupAutoIncReadFailed] = errctx.LevelError
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l[errctx.ErrGroupNoMatchedPartition] = errctx.LevelError
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return
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}(),
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},
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{
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name: "strict,select/union",
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sqlMode: mysql.ModeStrictAllTables | mysql.ModeErrorForDivisionByZero,
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stmt: []ast.StmtNode{&ast.SelectStmt{}, &ast.SetOprStmt{}},
|
|
levels: func() (l errctx.LevelMap) {
|
|
l[errctx.ErrGroupTruncate] = errctx.LevelWarn
|
|
l[errctx.ErrGroupDupKey] = errctx.LevelError
|
|
l[errctx.ErrGroupBadNull] = errctx.LevelError
|
|
l[errctx.ErrGroupNoDefault] = errctx.LevelError
|
|
l[errctx.ErrGroupDividedByZero] = errctx.LevelWarn
|
|
l[errctx.ErrGroupAutoIncReadFailed] = errctx.LevelError
|
|
l[errctx.ErrGroupNoMatchedPartition] = errctx.LevelError
|
|
return
|
|
}(),
|
|
},
|
|
{
|
|
name: "non-strict,select/union",
|
|
sqlMode: mysql.ModeStrictAllTables | mysql.ModeErrorForDivisionByZero,
|
|
stmt: []ast.StmtNode{&ast.SelectStmt{}, &ast.SetOprStmt{}},
|
|
levels: func() (l errctx.LevelMap) {
|
|
l[errctx.ErrGroupTruncate] = errctx.LevelWarn
|
|
l[errctx.ErrGroupDupKey] = errctx.LevelError
|
|
l[errctx.ErrGroupBadNull] = errctx.LevelError
|
|
l[errctx.ErrGroupNoDefault] = errctx.LevelError
|
|
l[errctx.ErrGroupDividedByZero] = errctx.LevelWarn
|
|
l[errctx.ErrGroupAutoIncReadFailed] = errctx.LevelError
|
|
l[errctx.ErrGroupNoMatchedPartition] = errctx.LevelError
|
|
return
|
|
}(),
|
|
},
|
|
{
|
|
name: "strict,load_data",
|
|
sqlMode: mysql.ModeStrictAllTables | mysql.ModeErrorForDivisionByZero,
|
|
stmt: []ast.StmtNode{&ast.LoadDataStmt{}},
|
|
levels: func() (l errctx.LevelMap) {
|
|
l[errctx.ErrGroupTruncate] = errctx.LevelError
|
|
l[errctx.ErrGroupDupKey] = errctx.LevelError
|
|
l[errctx.ErrGroupBadNull] = errctx.LevelError
|
|
l[errctx.ErrGroupNoDefault] = errctx.LevelError
|
|
l[errctx.ErrGroupDividedByZero] = errctx.LevelWarn
|
|
l[errctx.ErrGroupAutoIncReadFailed] = errctx.LevelError
|
|
l[errctx.ErrGroupNoMatchedPartition] = errctx.LevelWarn
|
|
return
|
|
}(),
|
|
},
|
|
{
|
|
name: "non-strict,load_data",
|
|
sqlMode: mysql.SQLMode(0),
|
|
stmt: []ast.StmtNode{&ast.LoadDataStmt{}},
|
|
levels: func() (l errctx.LevelMap) {
|
|
l[errctx.ErrGroupTruncate] = errctx.LevelError
|
|
l[errctx.ErrGroupDupKey] = errctx.LevelError
|
|
l[errctx.ErrGroupBadNull] = errctx.LevelError
|
|
l[errctx.ErrGroupNoDefault] = errctx.LevelError
|
|
l[errctx.ErrGroupDividedByZero] = errctx.LevelWarn
|
|
l[errctx.ErrGroupAutoIncReadFailed] = errctx.LevelError
|
|
l[errctx.ErrGroupNoMatchedPartition] = errctx.LevelWarn
|
|
return
|
|
}(),
|
|
},
|
|
}
|
|
|
|
for i, c := range cases {
|
|
require.NotEmpty(t, c.stmt, c.name)
|
|
for _, stmt := range c.stmt {
|
|
msg := fmt.Sprintf("%d: %s, stmt: %T", i, c.name, stmt)
|
|
ctx.GetSessionVars().SQLMode = c.sqlMode
|
|
require.NoError(t, ResetContextOfStmt(ctx, stmt), msg)
|
|
ec := ctx.GetSessionVars().StmtCtx.ErrCtx()
|
|
require.Equal(t, c.levels, ec.LevelMap(), msg)
|
|
}
|
|
}
|
|
}
|