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How to get value wrapped in json? - Mailing list pgsql-general

From Shaozhong SHI
Subject How to get value wrapped in json?
Date
Msg-id CA+i5JwY_Pk8McRsRb3Op_uCQErs8UuYNK27v5sgPwAcTyHN6Gg@mail.gmail.com
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A json object is like this - {3}.

How to get the value -3 out of this json object {3}

David

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