62 lines
2.2 KiB
Go
62 lines
2.2 KiB
Go
// Copyright 2018 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 ddl_test
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import (
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"strconv"
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"testing"
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"github.com/pingcap/failpoint"
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"github.com/pingcap/tidb/pkg/meta/model"
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"github.com/pingcap/tidb/pkg/testkit"
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"github.com/pingcap/tidb/pkg/testkit/testfailpoint"
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"github.com/stretchr/testify/require"
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)
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func TestFailBeforeDecodeArgs(t *testing.T) {
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store, dom := testkit.CreateMockStoreAndDomainWithSchemaLease(t, testLease)
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tk := testkit.NewTestKit(t, store)
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tk.MustExec("use test")
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tk.MustExec("create table t1 (c1 int, c2 int);")
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tk.MustExec("insert t1 values (1, 2);")
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var tableID int64
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rs := tk.MustQuery("select TIDB_TABLE_ID from information_schema.tables where table_name='t1' and table_schema='test';")
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tableIDi, _ := strconv.Atoi(rs.Rows()[0][0].(string))
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tableID = int64(tableIDi)
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first := true
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stateCnt := 0
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testfailpoint.EnableCall(t, "github.com/pingcap/tidb/pkg/ddl/beforeRunOneJobStep", func(job *model.Job) {
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// It can be other schema states except failed schema state.
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// This schema state can only appear once.
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if job.SchemaState == model.StateWriteOnly {
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stateCnt++
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} else if job.SchemaState == model.StateWriteReorganization {
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if first {
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/ddl/errorBeforeDecodeArgs", `return(true)`))
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first = false
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} else {
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/ddl/errorBeforeDecodeArgs"))
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}
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}
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})
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defaultValue := int64(3)
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jobID := testCreateColumn(tk, t, testkit.NewTestKit(t, store).Session(), tableID, "c3", "", defaultValue, dom)
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// Make sure the schema state only appears once.
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require.Equal(t, 1, stateCnt)
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testCheckJobDone(t, store, jobID, true)
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}
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