From: | David Johnston <polobo(at)yahoo(dot)com> |
---|---|
To: | pgsql-bugs(at)postgresql(dot)org |
Subject: | Re: BUG #9519: Allows storing scalar json, but fails when querying |
Date: | 2014-03-11 15:57:48 |
Message-ID: | 1394553468645-5795538.post@n5.nabble.com |
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Lists: | pgsql-bugs |
Alf Kristian Støyle wrote
> select data #> '{"a"}' from jtest;
> ?column?
> ----------
>
>
> "b"
> (3 rows)
>
>
> select data #> '{"a"}' from jtest where (data #> '{"a"}')::text = 'b';
> ?column?
> ----------
> (0 rows)
>
>
> Am I doing a wrong conversion here, or is something else going on? If the
> data in the database did not contain scalar values, then ->> works fine in
> WHERE. The following is almost the query we are actually trying run
> (checking for existence):
Side not - please follow the example set by others and trim your quoting and
bottom-post.
As to your comment - the example above shows that the where clause is
evaluating to:
Where '"b"' = 'b' -- which is false.
Maybe try #>> which is defined to return text instead of an object.
David J.
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