On Wed, May 25, 2011 at 10:59, Reuven M. Lerner <reuven@lerner.co.il> wrote:
> Hi, everyone. I'm working on a project that's using PostgreSQL 8.3, that
> requires me to translate strings of octal digits into strings of characters
> -- so '141142143' should become 'abc', although the database column
> containing this data (both before and after) is a bytea.
Have you tried something like:
SELECT encode(regexp_replace('141142143', '(\d{3})', '\\\1',
'g')::bytea, 'escape');
> ...
> Of course, any suggestions for how to deal with octal digits in PostgreSQL
> 8.3, such as an octal equivalent to the x'ff' syntax, would be more than
> welcome.
I think select E'\XXX' is what you are looking for (per the fine
manual: http://www.postgresql.org/docs/current/static/datatype-binary.html)
