Golang sqltypes.ResultStream类代码示例

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

在下文中一共展示了ResultStream类的3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: getStreamError

func getStreamError(stream sqltypes.ResultStream, err error) error {
	if err != nil {
		return err
	}
	for {
		_, err := stream.Recv()
		switch err {
		case nil:
			// keep going
		case io.EOF:
			return nil
		default:
			return err
		}
	}
}

开发者ID:xujianhai，项目名称:vitess，代码行数:16，代码来源:errors.go

示例2: processOneStreamingResult

func (stc *ScatterConn) processOneStreamingResult(mu *sync.Mutex, stream sqltypes.ResultStream, err error, replyErr *error, fieldSent *bool, sendReply func(reply *sqltypes.Result) error) error {
	if err != nil {
		return err
	}
	for {
		qr, err := stream.Recv()
		if err != nil {
			if err == io.EOF {
				return nil
			}
			return err
		}

		mu.Lock()
		if *replyErr != nil {
			mu.Unlock()
			// we had an error sending results, drain input
			for {
				if _, err := stream.Recv(); err != nil {
					break
				}
			}
			return nil
		}

		// only send field info once for scattered streaming
		if len(qr.Fields) > 0 && len(qr.Rows) == 0 {
			if *fieldSent {
				mu.Unlock()
				continue
			}
			*fieldSent = true
		}
		*replyErr = sendReply(qr)
		mu.Unlock()
	}
}

开发者ID:aaijazi，项目名称:vitess，代码行数:37，代码来源:scatter_conn.go

示例3: testEchoStreamExecute

func testEchoStreamExecute(t *testing.T, conn *vtgateconn.VTGateConn) {
	var stream sqltypes.ResultStream
	var err error
	var qr *sqltypes.Result

	ctx := callerid.NewContext(context.Background(), callerID, nil)

	stream, err = conn.StreamExecute(ctx, echoPrefix+query, bindVars, tabletType)
	if err != nil {
		t.Fatal(err)
	}
	qr, err = stream.Recv()
	checkEcho(t, "StreamExecute", qr, err, map[string]string{
		"callerId":   callerIDEcho,
		"query":      echoPrefix + query,
		"bindVars":   bindVarsEcho,
		"tabletType": tabletTypeEcho,
	})

	stream, err = conn.StreamExecuteShards(ctx, echoPrefix+query, keyspace, shards, bindVars, tabletType)
	if err != nil {
		t.Fatal(err)
	}
	qr, err = stream.Recv()
	checkEcho(t, "StreamExecuteShards", qr, err, map[string]string{
		"callerId":   callerIDEcho,
		"query":      echoPrefix + query,
		"keyspace":   keyspace,
		"shards":     shardsEcho,
		"bindVars":   bindVarsEcho,
		"tabletType": tabletTypeEcho,
	})

	stream, err = conn.StreamExecuteKeyspaceIds(ctx, echoPrefix+query, keyspace, keyspaceIDs, bindVars, tabletType)
	if err != nil {
		t.Fatal(err)
	}
	qr, err = stream.Recv()
	checkEcho(t, "StreamExecuteKeyspaceIds", qr, err, map[string]string{
		"callerId":    callerIDEcho,
		"query":       echoPrefix + query,
		"keyspace":    keyspace,
		"keyspaceIds": keyspaceIDsEcho,
		"bindVars":    bindVarsEcho,
		"tabletType":  tabletTypeEcho,
	})

	stream, err = conn.StreamExecuteKeyRanges(ctx, echoPrefix+query, keyspace, keyRanges, bindVars, tabletType)
	if err != nil {
		t.Fatal(err)
	}
	qr, err = stream.Recv()
	checkEcho(t, "StreamExecuteKeyRanges", qr, err, map[string]string{
		"callerId":   callerIDEcho,
		"query":      echoPrefix + query,
		"keyspace":   keyspace,
		"keyRanges":  keyRangesEcho,
		"bindVars":   bindVarsEcho,
		"tabletType": tabletTypeEcho,
	})
}

开发者ID:aaijazi，项目名称:vitess，代码行数:61，代码来源:echo.go

注：本文中的github.com/youtube/vitess/go/sqltypes.ResultStream类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。