Get field from unstructured array in Prestodb

后端 未结 0 407
有刺的猬
有刺的猬 2021-02-02 04:23

Im trying to query a category and category id (cat_id), that are in an array, in presto db source as following. I used a query "json_extract_scalar"(data.reason, \'$[0

相关标签:
回答
  • 消灭零回复
提交回复
热议问题