Re: Array Char/VarChar Size

[Kris Jurka <books(at)ejurka(dot)com>]

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