实时计算 Flink版解析字符串的相关内容

问答 2024-06-09 来自：开发者社区

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('{"a":[{"c":"...

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更新时间 2024-06-11 17:48:18

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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