实时计算 Flink版sql数据类型的相关内容

[帮助文档] SQL查询脚本

查询脚本支持Call和DDL、DQL、DML语法。您可以通过查询脚本创建管理Catalog、表、数据查询，可以使用explain语法查看执行计划定位问题，也可以实现对Paimon的管理。

Flink HBase SQL 连接器为啥不支持数据类型？

Flink HBase SQL 连接器（flink-connector-hbase_2.11）为啥不支持数据类型：ARRAY、MAP / MULTISET、ROW 不支持？https://nightlies.apache.org/flink/flink-docs-release-1.11/zh/d...

实时数据分析：使用Flink实时发现最热Github项目

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Apache Flink SQL目前还不支持直接解析JSON字符串并将其转换为预期的数据类型

Apache Flink SQL目前还不支持直接解析JSON字符串并将其转换为预期的数据类型。你可以在Flink SQL中使用STRING_TO_ARRAY函数将字符串转换为数组。以下是一个示例，展示了如何将字符串转换为数组： SELECT STRING_TO_ARRAY(JSON_QUERY('...

Flink sql有没有函数支持解析一个json string并转成期望的数据类型呢？

Flink sql有没有函数支持解析一个json string并转成期望的数据类型呢？JSON_QUERY('{"a":[{"c":"c1"},{"c":"c2"}]}', 'lax $.a[*].c')这个内置函数返回的是string: '["c1","c2"]'，而我期望返回的是ARRAY: [...

flink sql有没有函数支持解析一个json string并转成期望的数据类型呢？

flink sql有没有函数支持解析一个json string并转成期望的数据类型呢？JSON_QUERY('{"a":[{"c":"c1"},{"c":"c2"}]}', 'lax $.a[].c')这个内置函数返回的是string: '["c1","c2"]'，而我期望返回的是ARRAY: ["...

请教下Flink CDC SQL Server用户定义数据类型该怎么处理？

请教下Flink CDC SQL Server用户定义数据类型该怎么处理？目前错误提示IllegalArgumentException: The column "WARD_CODE" is referenced as PRIMARY KEY, but a matching column is not...

Flink CDC 请问 Postgres CDC SQL 是不支持 TIMESTAMP数据类型吗？

Flink CDC 请问 Postgres CDC SQL 是不支持 TIMESTAMP WITH TIME ZONE 数据类型吗？

[帮助文档] 如何通过SparkSQL对FlinkTableStore进行读写操作

E-MapReduce的Flink Table Store服务支持通过Spark SQL对Flink Table Store进行读写操作。本文通过示例为您介绍如何通过Spark SQL对Flink Table Store进行读写操作。

[帮助文档] 如何通过FlinkSQL对FlinkTableStore进行读写操作

E-MapReduce的Flink Table Store服务支持通过Flink SQL对Flink Table Store进行读写操作。本文通过示例为您介绍如何通过Flink SQL对Flink Table Store进行读写操作。

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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