实时计算 Flink版cdc null 的相关内容

阿里云文档 2025-06-25

VVP Flink CDC对接DLF Paimon Catalog

本文为您介绍如何通过阿里云实时计算Flink版（以下简称VVP）将Flink CDC数据实时摄入至DLF Paimon Catalog，实现高效的数据湖存储与管理。

阿里云文档 2025-04-07

如何通过Flink CDC实时订阅AnalyticDB PostgreSQL的全量和增量数据

AnalyticDB for PostgreSQL提供自研的CDC连接器，基于PostgreSQL的逻辑复制功能实现订阅全量和增量数据，可与Flink无缝集成。该连接器能够高效捕获源表的实时变更数据，支持实时数据同步、流式处理等，助力企业快速响应动态数据需求。本文介绍如何通过阿里云实时计算Flink版CDC实时订阅AnalyticDB for PostgreSQL的全量和增量数据。

阿里云文档 2025-03-28

Flink CDC写入MaxCompute

MaxCompute为您提供对接Flink CDC的新版插件Connector连接器。您可以通过对接Flink CDC，将数据源（例如MySQL）数据实时同步至MaxCompute的目标表（普通表或Delta表）。本文为您介绍MaxCompute新版插件的能力支持情况与主要操作流程。

问答 2024-08-07 来自：开发者社区

在Flink CDC中,到doris是null的情况大家遇到过吗？

在Flink CDC中,flink-sql-connector-postgres-cdc-2.4.1.jar遇到pg的jsonb字段增量数据解析不了到doris是null的情况大家遇到过吗？

问答 2024-08-07 来自：开发者社区

在Flink CDC中，去掉参数，自己update，启动任务，获取到的before还是null？

在Flink CDC中，我去掉了这个参数，自己update了一条，然后启动任务，获取到的before还是null？

问答 2024-07-26 来自：开发者社区

在Flink CDC中如下源端库加字段is not null场景同步会报错？

在Flink CDC中java.lang.RuntimeException: failed to apply schema change. 源端库加字段is not null场景同步会报错？Caused by: java.sql.SQLSyntaxErrorException: Field 'wx_sign_flag' is not null but doesn't have a defa...

问答 2024-07-03 来自：开发者社区

对于Flink CDC，region_id这个字段源库有NULL值，会不会是这个原因？

问答 2024-05-14 来自：开发者社区

Flink CDC中jdbc连接器里面如果这个上下界中存在null ，怎么处理呢？

Flink CDC中jdbc连接器里面scan.partition.lower-boundscan.partition.upper-bound 如果这个上下界中存在null ，怎么处理呢？

问答 2024-04-16 来自：开发者社区

Flink CDC中Oraclecdc为啥对数据进行更新，会先出一个null,然后才是更新后的值？

Oraclecdc为啥对数据进行更新，会先出一个null,然后才是更新后的值？”

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更新时间 2024-08-08 13:09:30

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实时计算Flink版

阿里云实时计算Flink版(Alibaba Cloud Realtime Compute)，完全兼容开源的Apache Flink，比开源性能提升2～3倍，提供了完整的告警、监控、日志的解决方案、提升开发效率且无运维成本，并有社区专家提供技术支持。

立即开通

产品控制台

产品文档

实时同步

MySQL 到 Hologres

Kafka 到 Hologres

功能对比

开源Flink对比

成本优化

作业自动调优