Re: Array Char/VarChar Size

From: Kris Jurka <books(at)ejurka(dot)com>
To: dmp <danap(at)ttc-cmc(dot)net>
Cc: pgsql-jdbc(at)postgresql(dot)org
Subject: Re: Array Char/VarChar Size
Date: 2008-02-29 17:53:57
Message-ID: Pine.BSO.4.64.0802291248520.30295@leary.csoft.net
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On Fri, 29 Feb 2008, dmp wrote:

> Perhaps this is not the appropriate list, but is there a way to
> determine this information from the information_schema? The reason I ask
> is I can not seem to find this information there either. pg_dump does
> provide this information, though lacking the ability to proper identify
> multi-dimensional arrays, ex. char(30)[][] gives char(30)[].

Multi-dimensional array information is not stored. Every array type may
be any number of dimensions. The precision information is not available
in the information_schema, but it is available in the system catalog
tables. See pg_attribute.atttypmod, but it does require some decoding.

Kris Jurka

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