Files
tidb/pkg/executor/executor_pkg_test.go
2025-12-10 09:40:20 +00:00

348 lines
13 KiB
Go

// Copyright 2016 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 executor
import (
"fmt"
"slices"
"testing"
"time"
"github.com/pingcap/tidb/pkg/domain"
"github.com/pingcap/tidb/pkg/errctx"
"github.com/pingcap/tidb/pkg/executor/join"
"github.com/pingcap/tidb/pkg/kv"
"github.com/pingcap/tidb/pkg/parser/ast"
"github.com/pingcap/tidb/pkg/parser/mysql"
"github.com/pingcap/tidb/pkg/sessionctx/variable"
"github.com/pingcap/tidb/pkg/tablecodec"
"github.com/pingcap/tidb/pkg/types"
"github.com/pingcap/tidb/pkg/util/collate"
"github.com/pingcap/tidb/pkg/util/memory"
"github.com/pingcap/tidb/pkg/util/mock"
"github.com/pingcap/tidb/pkg/util/ranger"
"github.com/pingcap/tidb/pkg/util/tableutil"
"github.com/stretchr/testify/require"
)
// Note: it's a tricky way to export the `inspectionSummaryRules` and `inspectionRules` for unit test but invisible for normal code
var (
InspectionSummaryRules = inspectionSummaryRules
InspectionRules = inspectionRules
)
func TestBuildKvRangesForIndexJoinWithoutCwc(t *testing.T) {
indexRanges := make([]*ranger.Range, 0, 6)
indexRanges = append(indexRanges, generateIndexRange(1, 1, 1, 1, 1))
indexRanges = append(indexRanges, generateIndexRange(1, 1, 2, 1, 1))
indexRanges = append(indexRanges, generateIndexRange(1, 1, 2, 1, 2))
indexRanges = append(indexRanges, generateIndexRange(1, 1, 3, 1, 1))
indexRanges = append(indexRanges, generateIndexRange(2, 1, 1, 1, 1))
indexRanges = append(indexRanges, generateIndexRange(2, 1, 2, 1, 1))
joinKeyRows := make([]*join.IndexJoinLookUpContent, 0, 5)
joinKeyRows = append(joinKeyRows, &join.IndexJoinLookUpContent{Keys: generateDatumSlice(1, 1)})
joinKeyRows = append(joinKeyRows, &join.IndexJoinLookUpContent{Keys: generateDatumSlice(1, 2)})
joinKeyRows = append(joinKeyRows, &join.IndexJoinLookUpContent{Keys: generateDatumSlice(2, 1)})
joinKeyRows = append(joinKeyRows, &join.IndexJoinLookUpContent{Keys: generateDatumSlice(2, 2)})
joinKeyRows = append(joinKeyRows, &join.IndexJoinLookUpContent{Keys: generateDatumSlice(2, 3)})
keyOff2IdxOff := []int{1, 3}
ctx := mock.NewContext()
kvRanges, err := buildKvRangesForIndexJoin(ctx.GetDistSQLCtx(), ctx.GetRangerCtx(), 0, 0, joinKeyRows, indexRanges, keyOff2IdxOff, nil, nil, nil)
require.NoError(t, err)
// Check the kvRanges is in order.
for i, kvRange := range kvRanges {
require.True(t, kvRange.StartKey.Cmp(kvRange.EndKey) < 0)
if i > 0 {
require.True(t, kvRange.StartKey.Cmp(kvRanges[i-1].EndKey) >= 0)
}
}
}
func TestBuildKvRangesForIndexJoinWithoutCwcAndWithMemoryTracker(t *testing.T) {
indexRanges := make([]*ranger.Range, 0, 6)
indexRanges = append(indexRanges, generateIndexRange(1, 1, 1, 1, 1))
indexRanges = append(indexRanges, generateIndexRange(1, 1, 2, 1, 1))
indexRanges = append(indexRanges, generateIndexRange(1, 1, 2, 1, 2))
indexRanges = append(indexRanges, generateIndexRange(1, 1, 3, 1, 1))
indexRanges = append(indexRanges, generateIndexRange(2, 1, 1, 1, 1))
indexRanges = append(indexRanges, generateIndexRange(2, 1, 2, 1, 1))
bytesConsumed1 := int64(0)
{
joinKeyRows := make([]*join.IndexJoinLookUpContent, 0, 10)
for i := int64(0); i < 10; i++ {
joinKeyRows = append(joinKeyRows, &join.IndexJoinLookUpContent{Keys: generateDatumSlice(1, i)})
}
keyOff2IdxOff := []int{1, 3}
ctx := mock.NewContext()
memTracker := memory.NewTracker(memory.LabelForIndexWorker, -1)
kvRanges, err := buildKvRangesForIndexJoin(ctx.GetDistSQLCtx(), ctx.GetRangerCtx(), 0, 0, joinKeyRows, indexRanges, keyOff2IdxOff, nil, memTracker, nil)
require.NoError(t, err)
// Check the kvRanges is in order.
for i, kvRange := range kvRanges {
require.True(t, kvRange.StartKey.Cmp(kvRange.EndKey) < 0)
if i > 0 {
require.True(t, kvRange.StartKey.Cmp(kvRanges[i-1].EndKey) >= 0)
}
}
bytesConsumed1 = memTracker.BytesConsumed()
}
bytesConsumed2 := int64(0)
{
joinKeyRows := make([]*join.IndexJoinLookUpContent, 0, 20)
for i := int64(0); i < 20; i++ {
joinKeyRows = append(joinKeyRows, &join.IndexJoinLookUpContent{Keys: generateDatumSlice(1, i)})
}
keyOff2IdxOff := []int{1, 3}
ctx := mock.NewContext()
memTracker := memory.NewTracker(memory.LabelForIndexWorker, -1)
kvRanges, err := buildKvRangesForIndexJoin(ctx.GetDistSQLCtx(), ctx.GetRangerCtx(), 0, 0, joinKeyRows, indexRanges, keyOff2IdxOff, nil, memTracker, nil)
require.NoError(t, err)
// Check the kvRanges is in order.
for i, kvRange := range kvRanges {
require.True(t, kvRange.StartKey.Cmp(kvRange.EndKey) < 0)
if i > 0 {
require.True(t, kvRange.StartKey.Cmp(kvRanges[i-1].EndKey) >= 0)
}
}
bytesConsumed2 = memTracker.BytesConsumed()
}
require.Equal(t, 2*bytesConsumed1, bytesConsumed2)
require.Equal(t, int64(23640), bytesConsumed1)
}
func generateIndexRange(vals ...int64) *ranger.Range {
lowDatums := generateDatumSlice(vals...)
highDatums := slices.Clone(lowDatums)
return &ranger.Range{LowVal: lowDatums, HighVal: highDatums, Collators: collate.GetBinaryCollatorSlice(len(lowDatums))}
}
func generateDatumSlice(vals ...int64) []types.Datum {
datums := make([]types.Datum, len(vals))
for i, val := range vals {
datums[i].SetInt64(val)
}
return datums
}
func TestSlowQueryRuntimeStats(t *testing.T) {
stats := &slowQueryRuntimeStats{
totalFileNum: 2,
readFileNum: 2,
readFile: time.Second,
initialize: time.Millisecond,
readFileSize: 1024 * 1024 * 1024,
parseLog: int64(time.Millisecond * 100),
concurrent: 15,
}
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())
require.Equal(t, stats.Clone().String(), stats.String())
stats.Merge(stats.Clone())
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())
}
func TestFilterTemporaryTableKeys(t *testing.T) {
vars := variable.NewSessionVars(nil)
const tableID int64 = 3
vars.TxnCtx = &variable.TransactionContext{
TxnCtxNoNeedToRestore: variable.TxnCtxNoNeedToRestore{
TemporaryTables: map[int64]tableutil.TempTable{tableID: nil},
},
}
res := filterTemporaryTableKeys(vars, []kv.Key{tablecodec.EncodeTablePrefix(tableID), tablecodec.EncodeTablePrefix(42)})
require.Len(t, res, 1)
}
func TestErrLevelsForResetStmtContext(t *testing.T) {
ctx := mock.NewContext()
ctx.BindDomainAndSchValidator(&domain.Domain{}, nil)
cases := []struct {
name string
sqlMode mysql.SQLMode
stmt []ast.StmtNode
levels errctx.LevelMap
}{
{
name: "strict,write",
sqlMode: mysql.ModeStrictAllTables | mysql.ModeErrorForDivisionByZero,
stmt: []ast.StmtNode{&ast.InsertStmt{}, &ast.UpdateStmt{}, &ast.DeleteStmt{}},
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.LevelError
l[errctx.ErrGroupAutoIncReadFailed] = errctx.LevelError
l[errctx.ErrGroupNoMatchedPartition] = errctx.LevelError
return
}(),
},
{
name: "non-strict,write",
sqlMode: mysql.ModeErrorForDivisionByZero,
stmt: []ast.StmtNode{&ast.InsertStmt{}, &ast.UpdateStmt{}, &ast.DeleteStmt{}},
levels: func() (l errctx.LevelMap) {
l[errctx.ErrGroupTruncate] = errctx.LevelWarn
l[errctx.ErrGroupDupKey] = errctx.LevelError
l[errctx.ErrGroupBadNull] = errctx.LevelWarn
l[errctx.ErrGroupNoDefault] = errctx.LevelWarn
l[errctx.ErrGroupDividedByZero] = errctx.LevelWarn
l[errctx.ErrGroupAutoIncReadFailed] = errctx.LevelError
l[errctx.ErrGroupNoMatchedPartition] = errctx.LevelError
return
}(),
},
{
name: "strict,insert ignore",
sqlMode: mysql.ModeStrictAllTables | mysql.ModeErrorForDivisionByZero,
stmt: []ast.StmtNode{&ast.InsertStmt{IgnoreErr: true}},
levels: func() (l errctx.LevelMap) {
l[errctx.ErrGroupTruncate] = errctx.LevelWarn
l[errctx.ErrGroupDupKey] = errctx.LevelWarn
l[errctx.ErrGroupBadNull] = errctx.LevelWarn
l[errctx.ErrGroupNoDefault] = errctx.LevelWarn
l[errctx.ErrGroupDividedByZero] = errctx.LevelWarn
l[errctx.ErrGroupAutoIncReadFailed] = errctx.LevelWarn
l[errctx.ErrGroupNoMatchedPartition] = errctx.LevelWarn
return
}(),
},
{
name: "strict,update ignore",
sqlMode: mysql.ModeStrictAllTables | mysql.ModeErrorForDivisionByZero,
stmt: []ast.StmtNode{&ast.UpdateStmt{IgnoreErr: true}},
levels: func() (l errctx.LevelMap) {
l[errctx.ErrGroupTruncate] = errctx.LevelWarn
l[errctx.ErrGroupDupKey] = errctx.LevelWarn
l[errctx.ErrGroupBadNull] = errctx.LevelWarn
l[errctx.ErrGroupNoDefault] = errctx.LevelWarn
l[errctx.ErrGroupDividedByZero] = errctx.LevelWarn
l[errctx.ErrGroupAutoIncReadFailed] = errctx.LevelError
l[errctx.ErrGroupNoMatchedPartition] = errctx.LevelWarn
return
}(),
},
{
name: "strict,delete ignore",
sqlMode: mysql.ModeStrictAllTables | mysql.ModeErrorForDivisionByZero,
stmt: []ast.StmtNode{&ast.DeleteStmt{IgnoreErr: true}},
levels: func() (l errctx.LevelMap) {
l[errctx.ErrGroupTruncate] = errctx.LevelWarn
l[errctx.ErrGroupDupKey] = errctx.LevelWarn
l[errctx.ErrGroupBadNull] = errctx.LevelWarn
l[errctx.ErrGroupNoDefault] = errctx.LevelWarn
l[errctx.ErrGroupDividedByZero] = errctx.LevelWarn
l[errctx.ErrGroupAutoIncReadFailed] = errctx.LevelError
l[errctx.ErrGroupNoMatchedPartition] = errctx.LevelError
return
}(),
},
{
name: "strict without error_for_division_by_zero,write",
sqlMode: mysql.ModeStrictAllTables,
stmt: []ast.StmtNode{&ast.InsertStmt{}, &ast.UpdateStmt{}, &ast.DeleteStmt{}},
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.LevelIgnore
l[errctx.ErrGroupAutoIncReadFailed] = errctx.LevelError
l[errctx.ErrGroupNoMatchedPartition] = errctx.LevelError
return
}(),
},
{
name: "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: "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)
}
}
}