From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Moritz Sinn <moritz(at)freesources(dot)org> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: datatype: not variable, not fixed length |
Date: | 2002-08-26 20:07:14 |
Message-ID: | 200208262007.g7QK7Ee18849@candle.pha.pa.us |
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Thread: | |
Lists: | pgsql-general |
Well variable is defined at creation time, see char() and varchar().
text data type is truely variable. pg_attribute.atttypmod has info
about the lenght.
---------------------------------------------------------------------------
Moritz Sinn wrote:
>
> hi,
>
> i'd like to write a datatype which is similar to varchar, i want the
> programmer be able to set its length when he creates the table. but
> it seems that there are only 2 options: completely variable or fixed.
> so do i have to write an new basic type and recompile postgresql?
>
> thanks,
> moritz
>
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