postgresql 字符串变json 再还原
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postgresql 字符串变json 再还原
* from json_to_record(‘{"a":1,"b":[1,2,3],"c":"bar"}‘) as x(a int, b INTEGER[], c text)
SELECT row_to_json(
a.*
) from (select * from json_to_record(‘{"a":1,"b":[1,2,3],"c":"bar"}‘) as x(a int, b INTEGER[], c text)) a