Re: LIKE/ESCAPE implementation
Thomas Swan <tswan@olemiss.edu>
From: Thomas Swan <tswan@olemiss.edu>
To: Thomas Lockhart <lockhart@alumni.caltech.edu>, Hackers List <pgsql-hackers@postgresql.org>
Date: 2000-08-05T06:26:00Z
Lists: pgsql-hackers
At 01:23 AM 8/5/2000, Thomas Lockhart wrote: >It finally dawned on my how to easily implement the LIKE/ESCAPE clause. >Currently, LIKE is transformed to the "~~" operator in the parser. For >LIKE/ESCAPE, we should instead transform it to a three-parameter >function call. The rest of the implementation is likely to be trivial >(as is this parsing solution). While your at it... :) Would their be anything like an ILIKE for a case insensitive like search? Or maybe insensitive over text/char/varchar datatypes? Just a thought... Thomas - - Thomas Swan - Graduate Student - Computer Science - The University of Mississippi - - "People can be categorized into two fundamental - groups, those that divide people into two groups - and those that don't."