Re: Getting list of supported types in Postgres

From: Ivan Radovanovic <radovanovic(at)gmail(dot)com>
To: Adrian Klaver <adrian(dot)klaver(at)gmail(dot)com>
Cc: Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, PostgreSQL mailing lists <pgsql-general(at)postgresql(dot)org>
Subject: Re: Getting list of supported types in Postgres
Date: 2013-08-15 14:37:49
Message-ID: 520CE7BD.3030202@gmail.com
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On 08/15/13 16:30, Adrian Klaver napisa:
> On 08/15/2013 02:33 AM, Ivan Radovanovic wrote:
>> On 08/15/13 05:23, Michael Paquier napisa:
>>> On Thu, Aug 15, 2013 at 6:00 AM, Bruce Momjian<bruce(at)momjian(dot)us> wrote:
>>>> Try psql -E, and run the \dT command to see the query it uses.
>>> You have also the following commands:
>>> - ¥dT+, all types with addition information like its size ('var' is
>>> for example variable length)
>>> - ¥dTS+, this includes also the catalog types
>>>
>>> Regards,
>>
>> Hi Michael and Bruce,
>>
>> Thank you for taking your time to reply.
>>
>> If I run \dTS+ that returns something that resembles information I need,
>> but it is still missing info if type can have precision, and apparently
>> aliases are missing (no decimal for numeric, no character for char and
>> so on). Additionally it would be great if I could somehow also get
>> information if type can be indexed.
>>
>> This doesn't have to come through SQL (I simply assumed that info can be
>> obtained either from information schema or Postgress specific views and
>> tables) - if you can point me to some source file that would be
>> acceptable too :-)
>
> The docs would seem to be the place to go:
>
> http://www.postgresql.org/docs/9.2/interactive/datatype.html
>
>

Thanks Adrian, sometimes we overlook most obvious solutions :-)

Now I just need to find out which types can be indexed (and which types
can be part of PK)

Regards,
Ivan

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