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errorutil,sink,syncer: add errorutil to handle ignorable error (pingc…
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| // Copyright 2021 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, | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package errorutil | ||
|
|
||
| import ( | ||
| dmysql "github.com/go-sql-driver/mysql" | ||
| "github.com/pingcap/errors" | ||
| tddl "github.com/pingcap/tidb/ddl" | ||
| "github.com/pingcap/tidb/infoschema" | ||
| "github.com/pingcap/tidb/parser/mysql" | ||
| ) | ||
|
|
||
| // IsIgnorableMySQLDDLError is used to check what error can be ignored | ||
| // we can get error code from: | ||
| // infoschema's error definition: https://github.com/pingcap/tidb/blob/master/infoschema/infoschema.go | ||
| // DDL's error definition: https://github.com/pingcap/tidb/blob/master/ddl/ddl.go | ||
| // tidb/mysql error code definition: https://github.com/pingcap/tidb/blob/master/mysql/errcode.go | ||
| func IsIgnorableMySQLDDLError(err error) bool { | ||
| err = errors.Cause(err) | ||
| mysqlErr, ok := err.(*dmysql.MySQLError) | ||
| if !ok { | ||
| return false | ||
| } | ||
|
|
||
| errCode := errors.ErrCode(mysqlErr.Number) | ||
| switch errCode { | ||
| case infoschema.ErrDatabaseExists.Code(), infoschema.ErrDatabaseDropExists.Code(), | ||
| infoschema.ErrTableExists.Code(), infoschema.ErrTableDropExists.Code(), | ||
| infoschema.ErrColumnExists.Code(), infoschema.ErrIndexExists.Code(), | ||
| infoschema.ErrKeyNotExists.Code(), tddl.ErrCantDropFieldOrKey.Code(), | ||
| mysql.ErrDupKeyName, mysql.ErrSameNamePartition, | ||
| mysql.ErrDropPartitionNonExistent, mysql.ErrMultiplePriKey: | ||
| return true | ||
| default: | ||
| return false | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| // Copyright 2021 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, | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package errorutil | ||
|
|
||
| import ( | ||
| "errors" | ||
| "testing" | ||
|
|
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| "github.com/go-sql-driver/mysql" | ||
| "github.com/pingcap/tidb/infoschema" | ||
| tmysql "github.com/pingcap/tidb/parser/mysql" | ||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
||
| func newMysqlErr(number uint16, message string) *mysql.MySQLError { | ||
| return &mysql.MySQLError{ | ||
| Number: number, | ||
| Message: message, | ||
| } | ||
| } | ||
|
|
||
| func TestIgnoreMysqlDDLError(t *testing.T) { | ||
| cases := []struct { | ||
| err error | ||
| ret bool | ||
| }{ | ||
| {errors.New("raw error"), false}, | ||
| {newMysqlErr(tmysql.ErrDupKeyName, "Error: Duplicate key name 'some_key'"), true}, | ||
| {newMysqlErr(uint16(infoschema.ErrDatabaseExists.Code()), "Can't create database"), true}, | ||
| {newMysqlErr(uint16(infoschema.ErrAccessDenied.Code()), "Access denied for user"), false}, | ||
| } | ||
|
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||
| for _, item := range cases { | ||
| assert.Equal(t, item.ret, IsIgnorableMySQLDDLError(item.err)) | ||
| } | ||
| } |