In response to Peter Geoghegan <peter.geoghega...@gmail.com>:

> On 25 January 2011 22:27, Andre Lopes <lopes80an...@gmail.com> wrote:
> > Hi,
> >
> > I need to put some images on Base64 in a PostgreSQL database. Wich
> > type should I use and what is the difference between using bytea or
> > text to store Base64?
> 
> I really don't think you want to do that. Base64 is used to make
> binary data 7-bit safe for compatibility with legacy systems (i.e. to
> embed arbitrary binary data within ASCII). Sometimes people escape
> binary data as base64 to store it in their DB, but they typically
> store it as bytea. Base64 probably isn't even a particularly good
> choice for escaping binary, let alone storing it.
> 
> You should just use a generic escaping function. libpq has
> PQescapeByteaConn(), for example.

A warning: last I checked, PHP's pg_escape_bytea() was broken, so be
cautious if you're using PHP.

-- 
Bill Moran
http://www.potentialtech.com
http://people.collaborativefusion.com/~wmoran/

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