Re: storing binary data

Joe Conway <joseph.conway@home.com>

From: Joe Conway <joseph.conway@home.com>
To: Lincoln Yeoh <lyeoh@pop.jaring.my>
Cc: pgsql-hackers@postgresql.org
Date: 2001-10-28T01:02:57Z
Lists: pgsql-hackers
Lincoln Yeoh wrote:

>>Also, FWIW, 7.2 includes bytea support for LIKE, NOT LIKE, LIKE ESCAPE, 
>>||, trim(), substring(), position(), length(), indexing, and various 
>>comparators.
>>
>>
> 
> Cool!
> 
> Would it be practical to use substring for retrieving chunks of binary data
> in manageable sizes? Or would the overheads be too high?
> 
> Cheerio,
> Link.

I haven't done any performance testing, but it should be no different 
than the substring function used on TEXT fields. Try it out and let us 
know ;-)

-- Joe