Files
tidb/pkg/lightning/backend/kv/kv2sql_test.go

117 lines
4.0 KiB
Go

// Copyright 2023 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 kv_test
import (
"testing"
"github.com/pingcap/tidb/pkg/ddl"
"github.com/pingcap/tidb/pkg/lightning/backend/encode"
"github.com/pingcap/tidb/pkg/lightning/backend/kv"
"github.com/pingcap/tidb/pkg/lightning/log"
"github.com/pingcap/tidb/pkg/meta/model"
"github.com/pingcap/tidb/pkg/parser"
"github.com/pingcap/tidb/pkg/parser/ast"
"github.com/pingcap/tidb/pkg/parser/mysql"
"github.com/pingcap/tidb/pkg/sessionctx/vardef"
"github.com/pingcap/tidb/pkg/table/tables"
"github.com/pingcap/tidb/pkg/types"
"github.com/pingcap/tidb/pkg/util/mock"
"github.com/stretchr/testify/require"
)
func TestIterRawIndexKeysClusteredPK(t *testing.T) {
p := parser.New()
node, _, err := p.ParseSQL("create table t (a varchar(10) primary key, b int, index idx(b));")
require.NoError(t, err)
mockSctx := mock.NewContext()
mockSctx.GetSessionVars().EnableClusteredIndex = vardef.ClusteredIndexDefModeOn
info, err := ddl.MockTableInfo(mockSctx, node[0].(*ast.CreateTableStmt), 1)
require.NoError(t, err)
info.State = model.StatePublic
require.True(t, info.IsCommonHandle)
tbl, err := tables.TableFromMeta(kv.NewPanickingAllocators(info.SepAutoInc()), info)
require.NoError(t, err)
sessionOpts := &encode.SessionOptions{
SQLMode: mysql.ModeStrictAllTables,
Timestamp: 1234567890,
}
decoder, err := kv.NewTableKVDecoder(tbl, "`test`.`c1`", sessionOpts, log.L())
require.NoError(t, err)
sctx, err := kv.NewSession(sessionOpts, log.L())
require.NoError(t, err)
txn := sctx.Txn()
handle, err := tbl.AddRecord(sctx.GetTableCtx(), txn, []types.Datum{types.NewIntDatum(1), types.NewIntDatum(2)})
require.NoError(t, err)
paris := sctx.TakeKvPairs()
require.Len(t, paris.Pairs, 2)
_, rowValue := paris.Pairs[0].Key, paris.Pairs[0].Val
idxKey := paris.Pairs[1].Key
deleteKeys := make([][]byte, 0, 2)
err = decoder.IterRawIndexKeys(handle, rowValue, func(bs []byte) error {
deleteKeys = append(deleteKeys, bs)
return nil
})
require.NoError(t, err)
expected := [][]byte{idxKey}
require.Equal(t, expected, deleteKeys)
}
func TestIterRawIndexKeysIntPK(t *testing.T) {
p := parser.New()
node, _, err := p.ParseSQL("create table t (a int primary key, b int, index idx(b));")
require.NoError(t, err)
mockSctx := mock.NewContext()
mockSctx.GetSessionVars().EnableClusteredIndex = vardef.ClusteredIndexDefModeOn
info, err := ddl.MockTableInfo(mockSctx, node[0].(*ast.CreateTableStmt), 1)
require.NoError(t, err)
info.State = model.StatePublic
require.True(t, info.PKIsHandle)
tbl, err := tables.TableFromMeta(kv.NewPanickingAllocators(info.SepAutoInc()), info)
require.NoError(t, err)
sessionOpts := &encode.SessionOptions{
SQLMode: mysql.ModeStrictAllTables,
Timestamp: 1234567890,
}
decoder, err := kv.NewTableKVDecoder(tbl, "`test`.`c1`", sessionOpts, log.L())
require.NoError(t, err)
sctx, err := kv.NewSession(sessionOpts, log.L())
require.NoError(t, err)
txn := sctx.Txn()
require.NoError(t, err)
handle, err := tbl.AddRecord(sctx.GetTableCtx(), txn, []types.Datum{types.NewIntDatum(1), types.NewIntDatum(2)})
require.NoError(t, err)
paris := sctx.TakeKvPairs()
require.Len(t, paris.Pairs, 2)
_, rowValue := paris.Pairs[0].Key, paris.Pairs[0].Val
idxKey := paris.Pairs[1].Key
deleteKeys := make([][]byte, 0, 2)
err = decoder.IterRawIndexKeys(handle, rowValue, func(bs []byte) error {
deleteKeys = append(deleteKeys, bs)
return nil
})
require.NoError(t, err)
expected := [][]byte{idxKey}
require.Equal(t, expected, deleteKeys)
}