529ce88c1c
* *: add TxnManager to manage txn in session * modify * add tests * move failpoint content to a single file
75 lines
2.5 KiB
Go
75 lines
2.5 KiB
Go
// Copyright 2021 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 sessiontxn
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import (
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"fmt"
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"github.com/pingcap/tidb/infoschema"
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"github.com/pingcap/tidb/sessionctx"
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"github.com/pingcap/tidb/util/stringutil"
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)
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// AssertRecordsKey is used to save failPoint invoke records
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// Only for test
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var AssertRecordsKey stringutil.StringerStr = "assertTxnManagerRecords"
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// AssertTxnInfoSchemaKey is used to set the expected infoschema that should be check in failPoint
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// Only for test
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var AssertTxnInfoSchemaKey stringutil.StringerStr = "assertTxnInfoSchemaKey"
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// AssertTxnInfoSchemaAfterRetryKey is used to set the expected infoschema that should be check in failPoint after retry
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// Only for test
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var AssertTxnInfoSchemaAfterRetryKey stringutil.StringerStr = "assertTxnInfoSchemaAfterRetryKey"
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// RecordAssert is used only for test
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func RecordAssert(sctx sessionctx.Context, name string, value interface{}) {
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records, ok := sctx.Value(AssertRecordsKey).(map[string]interface{})
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if !ok {
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records = make(map[string]interface{})
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sctx.SetValue(AssertRecordsKey, records)
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}
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records[name] = value
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}
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// AssertTxnManagerInfoSchema is used only for test
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func AssertTxnManagerInfoSchema(sctx sessionctx.Context, is interface{}) {
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assertVersion := func(expected interface{}) {
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if expected == nil {
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return
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}
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expectVer := expected.(infoschema.InfoSchema).SchemaMetaVersion()
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gotVer := GetTxnManager(sctx).GetTxnInfoSchema().SchemaMetaVersion()
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if gotVer != expectVer {
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panic(fmt.Sprintf("Txn schema version not match, expect:%d, got:%d", expectVer, gotVer))
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}
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}
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if localTables := sctx.GetSessionVars().LocalTemporaryTables; localTables != nil {
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got, ok := GetTxnManager(sctx).GetTxnInfoSchema().(*infoschema.TemporaryTableAttachedInfoSchema)
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if !ok {
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panic("Expected to be a TemporaryTableAttachedInfoSchema")
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}
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if got.LocalTemporaryTables != localTables {
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panic("Local tables should be the same with the one in session")
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}
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}
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assertVersion(is)
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assertVersion(sctx.Value(AssertTxnInfoSchemaKey))
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}
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