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From Joe Van Dyk
Subject can't cast hstore to json
Date
Msg-id CACfv+pKJui2OAX2WwtaK0DDWVenfhLGqsZUmKRot7R_JFRea9w@mail.gmail.com
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Responses Re: can't cast hstore to json  (Tom Lane <tgl@sss.pgh.pa.us>)
Re: can't cast hstore to json  (Joe Van Dyk <joe@tanga.com>)
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I've got a postgresql 9.3.2 server, compiled from scratch. Getting this error:

# select hstore('a', 'b')::json;
ERROR:  cannot cast type hstore to json
LINE 1: select hstore('a', 'b')::json;
                               ^
# select array_to_json(array[hstore('a', 'b')]);
  array_to_json
------------------
 ["\"a\"=>\"b\""]
(1 row)

(I expected  [{"a": "b"}] )

I don't get this on other postgresql installations. Any ideas?

Joe

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