patrick keshishian <pkeshish(at)gmail(dot)com> writes:
> I need to match entries in second table to the first, so I use the
> following in my WHERE clause:
> ... WHERE second.path LIKE first.path||'%'
> This seemed to work at first, but it fails if the paths use
> back-slashes (like Windows paths).
By default, back-slash is a special character in LIKE patterns.
You can change that with the ESCAPE option. See
http://www.postgresql.org/docs/devel/static/functions-matching.html#FUNCTIONS-LIKE
regards, tom lane