| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Torsten Förtsch <torsten(dot)foertsch(at)gmx(dot)net> |
| Cc: | David G Johnston <david(dot)g(dot)johnston(at)gmail(dot)com>, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: 9.3: bug related to json |
| Date: | 2015-02-25 13:25:33 |
| Message-ID: | 29767.1424870733@sss.pgh.pa.us |
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| Lists: | pgsql-general |
=?UTF-8?B?VG9yc3RlbiBGw7ZydHNjaA==?= <torsten(dot)foertsch(at)gmx(dot)net> writes:
> On 25/02/15 07:34, David G Johnston wrote:
>> Torsten Frtsch wrote
>>> Is there anything similar for JSON scalars?
>> IDK, but have you tried "::text"?
> yes. Here is the difference
> select * from (values (('{"a":"b"}'::json -> 'a')::text),
> ('{"a":"b"}'::json ->> 'a')) t;
> column1
> ---------
> "b"
> b
As of 9.4, there's a function json_array_elements_text()
which does what I think you're looking for.
regards, tom lane
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