Golang planbuilder.DDLParse函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏邀请

本文整理汇总了Golang中github.com/youtube/vitess/go/vt/tabletserver/planbuilder.DDLParse函数的典型用法代码示例。如果您正苦于以下问题：Golang DDLParse函数的具体用法？Golang DDLParse怎么用？Golang DDLParse使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了DDLParse函数的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: execDDL

func (qre *QueryExecutor) execDDL() (*mproto.QueryResult, error) {
	ddlPlan := planbuilder.DDLParse(qre.query)
	if ddlPlan.Action == "" {
		return nil, NewTabletError(ErrFail, vtrpc.ErrorCode_BAD_INPUT, "DDL is not understood")
	}

	txid := qre.qe.txPool.Begin(qre.ctx)
	defer qre.qe.txPool.SafeCommit(qre.ctx, txid)

	// Stolen from Execute
	conn := qre.qe.txPool.Get(txid)
	defer conn.Recycle()
	result, err := qre.execSQL(conn, qre.query, false)
	if err != nil {
		return nil, err
	}
	if ddlPlan.TableName != "" && ddlPlan.TableName != ddlPlan.NewName {
		// It's a drop or rename.
		qre.qe.schemaInfo.DropTable(ddlPlan.TableName)
	}
	if ddlPlan.NewName != "" {
		qre.qe.schemaInfo.CreateOrUpdateTable(qre.ctx, ddlPlan.NewName)
	}
	return result, nil
}

开发者ID:yab，项目名称:vitess，代码行数:25，代码来源:query_executor.go

示例2: execDDL

func (qe *QueryEngine) execDDL(logStats *SQLQueryStats, ddl string) *mproto.QueryResult {
	ddlPlan := planbuilder.DDLParse(ddl)
	if ddlPlan.Action == "" {
		panic(NewTabletError(FAIL, "DDL is not understood"))
	}

	// Stolen from Begin
	conn := getOrPanic(qe.txPool)
	txid, err := qe.activeTxPool.SafeBegin(conn)
	if err != nil {
		conn.Recycle()
		panic(err)
	}
	// Stolen from Commit
	defer qe.activeTxPool.SafeCommit(txid)

	// Stolen from Execute
	conn = qe.activeTxPool.Get(txid)
	defer conn.Recycle()
	result, err := qe.executeSql(logStats, conn, ddl, false)
	if err != nil {
		panic(NewTabletErrorSql(FAIL, err))
	}

	qe.schemaInfo.DropTable(ddlPlan.TableName)
	if ddlPlan.Action != sqlparser.AST_DROP { // CREATE, ALTER, RENAME
		qe.schemaInfo.CreateTable(ddlPlan.NewName)
	}
	return result
}

开发者ID:ninqing，项目名称:vitess，代码行数:30，代码来源:query_engine.go

示例3: execDDL

func (qre *QueryExecutor) execDDL() (*sqltypes.Result, error) {
	ddlPlan := planbuilder.DDLParse(qre.query)
	if ddlPlan.Action == "" {
		return nil, NewTabletError(vtrpcpb.ErrorCode_BAD_INPUT, "DDL is not understood")
	}

	conn, err := qre.qe.txPool.LocalBegin(qre.ctx)
	if err != nil {
		return nil, err
	}
	defer qre.qe.txPool.LocalCommit(qre.ctx, conn)

	result, err := qre.execSQL(conn, qre.query, false)
	if err != nil {
		return nil, err
	}
	if ddlPlan.TableName != "" && ddlPlan.TableName != ddlPlan.NewName {
		// It's a drop or rename.
		qre.qe.schemaInfo.DropTable(ddlPlan.TableName)
	}
	if ddlPlan.NewName != "" {
		qre.qe.schemaInfo.CreateOrUpdateTable(qre.ctx, ddlPlan.NewName)
	}
	return result, nil
}

开发者ID:dumbunny，项目名称:vitess，代码行数:25，代码来源:query_executor.go

示例4: InvalidateForDDL

// InvalidateForDDL performs schema and rowcache changes for the ddl.
func (qe *QueryEngine) InvalidateForDDL(ddlInvalidate *proto.DDLInvalidate) {
	ddlPlan := planbuilder.DDLParse(ddlInvalidate.DDL)
	if ddlPlan.Action == "" {
		panic(NewTabletError(FAIL, "DDL is not understood"))
	}
	qe.schemaInfo.DropTable(ddlPlan.TableName)
	if ddlPlan.Action != sqlparser.AST_DROP { // CREATE, ALTER, RENAME
		qe.schemaInfo.CreateTable(ddlPlan.NewName)
	}
}

开发者ID:ninqing，项目名称:vitess，代码行数:11，代码来源:query_engine.go

示例5: handleDDLEvent

func (rci *RowcacheInvalidator) handleDDLEvent(ddl string) {
	ddlPlan := planbuilder.DDLParse(ddl)
	if ddlPlan.Action == "" {
		panic(NewTabletError(ErrFail, vtrpc.ErrorCode_BAD_INPUT, "DDL is not understood"))
	}
	if ddlPlan.TableName != "" && ddlPlan.TableName != ddlPlan.NewName {
		// It's a drop or rename.
		rci.qe.schemaInfo.DropTable(ddlPlan.TableName)
	}
	if ddlPlan.NewName != "" {
		rci.qe.schemaInfo.CreateOrUpdateTable(context.Background(), ddlPlan.NewName)
	}
}

开发者ID:tjyang，项目名称:vitess，代码行数:13，代码来源:rowcache_invalidator.go

示例6: handleDDLEvent

func (rci *RowcacheInvalidator) handleDDLEvent(ddl string) {
	ddlPlan := planbuilder.DDLParse(ddl)
	if ddlPlan.Action == "" {
		panic(NewTabletError(FAIL, "DDL is not understood"))
	}
	if ddlPlan.TableName != "" && ddlPlan.TableName != ddlPlan.NewName {
		// It's a drop or rename.
		rci.qe.schemaInfo.DropTable(ddlPlan.TableName)
	}
	if ddlPlan.NewName != "" {
		rci.qe.schemaInfo.CreateOrUpdateTable(ddlPlan.NewName)
	}
}

开发者ID:nangong92t，项目名称:go_src，代码行数:13，代码来源:rowcache_invalidator.go

示例7: InvalidateForDDL

// InvalidateForDDL performs schema and rowcache changes for the ddl.
func (qe *QueryEngine) InvalidateForDDL(ddl string) {
	ddlPlan := planbuilder.DDLParse(ddl)
	if ddlPlan.Action == "" {
		panic(NewTabletError(FAIL, "DDL is not understood"))
	}
	if ddlPlan.TableName != "" && ddlPlan.TableName != ddlPlan.NewName {
		// It's a drop or rename.
		qe.schemaInfo.DropTable(ddlPlan.TableName)
	}
	if ddlPlan.NewName != "" {
		qe.schemaInfo.CreateOrUpdateTable(ddlPlan.NewName)
	}
}

开发者ID:chinna1986，项目名称:vitess，代码行数:14，代码来源:query_engine.go

示例8: execDDL

func (qre *QueryExecutor) execDDL() *mproto.QueryResult {
	ddlPlan := planbuilder.DDLParse(qre.query)
	if ddlPlan.Action == "" {
		panic(NewTabletError(FAIL, "DDL is not understood"))
	}

	txid := qre.qe.txPool.Begin()
	defer qre.qe.txPool.SafeCommit(txid)

	// Stolen from Execute
	conn := qre.qe.txPool.Get(txid)
	defer conn.Recycle()
	result := qre.execSQL(conn, qre.query, false)

	if ddlPlan.TableName != "" && ddlPlan.TableName != ddlPlan.NewName {
		// It's a drop or rename.
		qre.qe.schemaInfo.DropTable(ddlPlan.TableName)
	}
	if ddlPlan.NewName != "" {
		qre.qe.schemaInfo.CreateOrUpdateTable(ddlPlan.NewName)
	}
	return result
}

开发者ID:plobsing，项目名称:vitess，代码行数:23，代码来源:query_executor.go

注：本文中的github.com/youtube/vitess/go/vt/tabletserver/planbuilder.DDLParse函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。