postgresql解析json

解析ztbxx中字段名为winnerorder的json字符串,字符串内容如下:

SELECT (winnerorder::json -> 0)  FROM ztbxx

 

 

SELECT (winnerorder::json -> 0) :: json -> 'entname'  FROM ztbxx

 

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Origin blog.csdn.net/weixin_41542329/article/details/127999841
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