118 lines
4.9 KiB
Go
118 lines
4.9 KiB
Go
// Copyright 2024 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 contextimpl_test
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import (
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"testing"
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"github.com/pingcap/tidb/pkg/sessionctx/binloginfo"
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"github.com/pingcap/tidb/pkg/sessionctx/variable"
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"github.com/pingcap/tidb/pkg/table/contextimpl"
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"github.com/pingcap/tidb/pkg/testkit"
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"github.com/pingcap/tidb/pkg/util/mock"
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"github.com/pingcap/tipb/go-binlog"
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"github.com/stretchr/testify/require"
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)
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func TestMutateContextImplFields(t *testing.T) {
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sctx := mock.NewContext()
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sctx.Mutations = make(map[int64]*binlog.TableMutation)
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ctx := contextimpl.NewTableContextImpl(sctx)
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// expression
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require.True(t, sctx.GetExprCtx() == ctx.GetExprCtx())
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// binlog
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sctx.GetSessionVars().BinlogClient = nil
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binlogSupport, ok := ctx.GetBinlogSupport()
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require.False(t, ok)
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require.Nil(t, binlogSupport)
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sctx.GetSessionVars().BinlogClient = binloginfo.MockPumpsClient(&testkit.MockPumpClient{})
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binlogSupport, ok = ctx.GetBinlogSupport()
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require.True(t, ok)
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require.NotNil(t, binlogSupport)
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binlogMutation := binlogSupport.GetBinlogMutation(1234)
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require.NotNil(t, binlogMutation)
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require.Same(t, sctx.StmtGetMutation(1234), binlogMutation)
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// ConnectionID
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sctx.GetSessionVars().ConnectionID = 12345
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require.Equal(t, uint64(12345), ctx.ConnectionID())
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// restricted SQL
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sctx.GetSessionVars().InRestrictedSQL = false
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require.False(t, ctx.InRestrictedSQL())
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sctx.GetSessionVars().InRestrictedSQL = true
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require.True(t, ctx.InRestrictedSQL())
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// AssertionLevel
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ctx.GetSessionVars().AssertionLevel = variable.AssertionLevelFast
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require.Equal(t, variable.AssertionLevelFast, ctx.TxnAssertionLevel())
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ctx.GetSessionVars().AssertionLevel = variable.AssertionLevelStrict
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require.Equal(t, variable.AssertionLevelStrict, ctx.TxnAssertionLevel())
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// EnableMutationChecker
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ctx.GetSessionVars().EnableMutationChecker = true
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require.True(t, ctx.EnableMutationChecker())
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ctx.GetSessionVars().EnableMutationChecker = false
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require.False(t, ctx.EnableMutationChecker())
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// encoding config
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sctx.GetSessionVars().EnableRowLevelChecksum = true
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sctx.GetSessionVars().RowEncoder.Enable = true
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sctx.GetSessionVars().InRestrictedSQL = false
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cfg := ctx.GetRowEncodingConfig()
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require.True(t, cfg.IsRowLevelChecksumEnabled)
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require.Equal(t, sctx.GetSessionVars().IsRowLevelChecksumEnabled(), cfg.IsRowLevelChecksumEnabled)
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require.True(t, cfg.IsRowLevelChecksumEnabled)
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require.Same(t, &sctx.GetSessionVars().RowEncoder, cfg.RowEncoder)
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sctx.GetSessionVars().RowEncoder.Enable = false
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cfg = ctx.GetRowEncodingConfig()
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require.False(t, cfg.IsRowLevelChecksumEnabled)
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require.Equal(t, sctx.GetSessionVars().IsRowLevelChecksumEnabled(), cfg.IsRowLevelChecksumEnabled)
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require.Same(t, &sctx.GetSessionVars().RowEncoder, cfg.RowEncoder)
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require.False(t, cfg.IsRowLevelChecksumEnabled)
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sctx.GetSessionVars().RowEncoder.Enable = true
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sctx.GetSessionVars().InRestrictedSQL = true
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require.Equal(t, sctx.GetSessionVars().IsRowLevelChecksumEnabled(), cfg.IsRowLevelChecksumEnabled)
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require.False(t, cfg.IsRowLevelChecksumEnabled)
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sctx.GetSessionVars().InRestrictedSQL = false
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sctx.GetSessionVars().EnableRowLevelChecksum = false
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require.Equal(t, sctx.GetSessionVars().IsRowLevelChecksumEnabled(), cfg.IsRowLevelChecksumEnabled)
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// mutate buffers
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require.NotNil(t, ctx.GetMutateBuffers())
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// RowIDShardGenerator
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sctx.GetSessionVars().TxnCtx.StartTS = 123
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require.Same(t, sctx.GetSessionVars().GetRowIDShardGenerator(), ctx.GetRowIDShardGenerator())
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// ReservedRowIDAlloc
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reserved, ok := ctx.GetReservedRowIDAlloc()
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require.True(t, ok)
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require.Same(t, &sctx.GetSessionVars().StmtCtx.ReservedRowIDAlloc, reserved)
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// statistics support
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txnCtx := sctx.GetSessionVars().TxnCtx
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txnCtx.TableDeltaMap = make(map[int64]variable.TableDelta)
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sctx.GetSessionVars().TxnCtx = nil
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statisticsSupport, ok := ctx.GetStatisticsSupport()
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require.False(t, ok)
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require.Nil(t, statisticsSupport)
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sctx.GetSessionVars().TxnCtx = txnCtx
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statisticsSupport, ok = ctx.GetStatisticsSupport()
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require.True(t, ok)
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require.NotNil(t, statisticsSupport)
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require.Equal(t, 0, len(txnCtx.TableDeltaMap))
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statisticsSupport.UpdatePhysicalTableDelta(
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12, 1, 2, variable.DeltaColsMap(map[int64]int64{3: 4, 5: 6}),
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)
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require.Equal(t, 1, len(txnCtx.TableDeltaMap))
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deltaMap := txnCtx.TableDeltaMap[12]
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require.Equal(t, int64(12), deltaMap.TableID)
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require.Equal(t, int64(1), deltaMap.Delta)
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require.Equal(t, int64(2), deltaMap.Count)
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require.Equal(t, map[int64]int64{3: 4, 5: 6}, deltaMap.ColSize)
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}
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