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feat: support comQuery request globallock hint (#137)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,173 @@ | ||
| /* | ||
| * Copyright 2022 CECTC, 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 exec | ||
|
|
||
| import ( | ||
| "context" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/agiledragon/gomonkey/v2" | ||
| "github.com/stretchr/testify/assert" | ||
|
|
||
| "github.com/cectc/dbpack/pkg/constant" | ||
| "github.com/cectc/dbpack/pkg/driver" | ||
| "github.com/cectc/dbpack/pkg/dt/schema" | ||
| "github.com/cectc/dbpack/pkg/proto" | ||
| "github.com/cectc/dbpack/pkg/visitor" | ||
| "github.com/cectc/dbpack/third_party/parser" | ||
| "github.com/cectc/dbpack/third_party/parser/ast" | ||
| ) | ||
|
|
||
| func TestQueryGlobalLock(t *testing.T) { | ||
| testCases := []*struct { | ||
| sql string | ||
| isUpdate bool | ||
| lockInterval time.Duration | ||
| lockTimes int | ||
| expectedTableName string | ||
| expectedWhereCondition string | ||
| expectedBeforeImageSql string | ||
| expectedErr error | ||
| }{ | ||
| { | ||
| sql: "delete /*+ GlobalLock() */ from T where id = 10", | ||
| isUpdate: false, | ||
| lockInterval: 5 * time.Millisecond, | ||
| lockTimes: 3, | ||
| expectedTableName: "`T`", | ||
| expectedWhereCondition: "`id`=10", | ||
| expectedBeforeImageSql: "SELECT id,name,age FROM `T` WHERE `id`=10", | ||
| expectedErr: err, | ||
| }, | ||
| { | ||
| sql: "delete /*+ GlobalLock() */ from T where id = 10", | ||
| isUpdate: false, | ||
| lockInterval: 5 * time.Millisecond, | ||
| lockTimes: 10, | ||
| expectedTableName: "`T`", | ||
| expectedWhereCondition: "`id`=10", | ||
| expectedBeforeImageSql: "SELECT id,name,age FROM `T` WHERE `id`=10", | ||
| expectedErr: nil, | ||
| }, | ||
| { | ||
| sql: "update /*+ GlobalLock() */ T set age = 18 where id = 10", | ||
| isUpdate: true, | ||
| lockInterval: 5 * time.Millisecond, | ||
| lockTimes: 3, | ||
| expectedTableName: "`T`", | ||
| expectedWhereCondition: "`id`=10", | ||
| expectedBeforeImageSql: "SELECT id,name,age FROM `T` WHERE `id`=10", | ||
| expectedErr: err, | ||
| }, | ||
| { | ||
| sql: "update /*+ GlobalLock() */ T set age = 18 where id = 10", | ||
| isUpdate: true, | ||
| lockInterval: 5 * time.Millisecond, | ||
| lockTimes: 10, | ||
| expectedTableName: "`T`", | ||
| expectedWhereCondition: "`id`=10", | ||
| expectedBeforeImageSql: "SELECT id,name,age FROM `T` WHERE `id`=10", | ||
| expectedErr: nil, | ||
| }, | ||
| } | ||
|
|
||
| patches1 := isLockablePatch() | ||
| defer patches1.Reset() | ||
|
|
||
| patches2 := beforeImagePatch2() | ||
| defer patches2.Reset() | ||
|
|
||
| for _, c := range testCases { | ||
| t.Run(c.sql, func(t *testing.T) { | ||
| count = 0 | ||
| p := parser.New() | ||
| stmt, err := p.ParseOneStmt(c.sql, "", "") | ||
| if err != nil { | ||
| t.Error(err) | ||
| return | ||
| } | ||
| stmt.Accept(&visitor.ParamVisitor{}) | ||
|
|
||
| ctx := proto.WithCommandType(context.Background(), constant.ComStmtExecute) | ||
| protoStmt := &proto.Stmt{ | ||
| StatementID: 1, | ||
| PrepareStmt: c.sql, | ||
| ParamsCount: 1, | ||
| ParamData: nil, | ||
| ParamsType: nil, | ||
| ColumnNames: nil, | ||
| BindVars: map[string]interface{}{ | ||
| "v1": 10, | ||
| }, | ||
| StmtNode: stmt, | ||
| } | ||
| ctx = proto.WithPrepareStmt(ctx, protoStmt) | ||
|
|
||
| var executor Executable | ||
| if c.isUpdate { | ||
| updateStmt := stmt.(*ast.UpdateStmt) | ||
| executor = NewQueryGlobalLockExecutor(&driver.BackendConnection{}, c.isUpdate, nil, updateStmt) | ||
| } else { | ||
| deleteStmt := stmt.(*ast.DeleteStmt) | ||
| executor = NewQueryGlobalLockExecutor(&driver.BackendConnection{}, c.isUpdate, deleteStmt, nil) | ||
| } | ||
| tableName := executor.GetTableName() | ||
| assert.Equal(t, c.expectedTableName, tableName) | ||
| whereCondition := executor.(*queryGlobalLockExecutor).GetWhereCondition() | ||
| assert.Equal(t, c.expectedWhereCondition, whereCondition) | ||
| beforeImageSql := executor.(*queryGlobalLockExecutor).buildBeforeImageSql(tableMeta) | ||
| assert.Equal(t, c.expectedBeforeImageSql, beforeImageSql) | ||
| _, executeErr := executor.Executable(ctx, c.lockInterval, c.lockTimes) | ||
| assert.Equal(t, c.expectedErr, executeErr) | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| func beforeImagePatch2() *gomonkey.Patches { | ||
| var executor *queryGlobalLockExecutor | ||
| return gomonkey.ApplyMethodFunc(executor, "BeforeImage", func(ctx context.Context) (*schema.TableRecords, error) { | ||
| return &schema.TableRecords{ | ||
| TableMeta: tableMeta, | ||
| TableName: "t", | ||
| Rows: []*schema.Row{ | ||
| { | ||
| Fields: []*schema.Field{ | ||
| { | ||
| Name: "id", | ||
| KeyType: schema.PrimaryKey, | ||
| Type: 0, | ||
| Value: "10", | ||
| }, | ||
| { | ||
| Name: "name", | ||
| KeyType: schema.Null, | ||
| Type: 0, | ||
| Value: "scott", | ||
| }, | ||
| { | ||
| Name: "age", | ||
| KeyType: schema.Null, | ||
| Type: 0, | ||
| Value: "20", | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| }, nil | ||
| }) | ||
| } |