如何修改PostgreSQL JSONB数据类型中的单个字段?
假设我有一张叫做动物的桌子:
id info
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49493 {"habit1":"fly","habit2":"dive","location":"SONOMA NARITE"}
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我想简单地更改location属性的值(例如,大写或小写文本).所以结果,在UPDATE之后
id info
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49493 {"habit1":"fly","habit2":"dive","location":"sonoma narite"}
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我在下面尝试了这个,它不起作用
update animal set info=jsonb_set(info, '{location}', LOWER(info->>'location'), true) where id='49493';
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ERROR: function jsonb_set(jsonb, unknown, text, boolean) does not exist
LINE 7: update animal set info=jsonb_set(info, '{con...
^
HINT: No function matches the given name and argument types. You might need to add explicit type casts.
********** Error **********
ERROR: function jsonb_set(jsonb, unknown, text, boolean) does not exist
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如果我只是知道更新的值是什么,那么我可以使用这个:
update animal set info=jsonb_set(info, '{location}', …Run Code Online (Sandbox Code Playgroud)