On 03/25/2011 10:59 AM, hubert depesz lubaczewski wrote:
On Fri, Mar 25, 2011 at 09:29:57AM -0600, Rob Sargent wrote:Running 9.0.3 (client and server) Seems I cannot subtract 1 from the result of position. select distinct substring( substring(xml_text,1,300), position( 'xmlns=' in substring(xml_text,1,300)) + length('xmlns="'), position( '"' in (substring(substring(xml_text,1,300), position( 'xmlns=' in substring(xml_text,1,300)) + length('xmlns="'), 100))) ) as namespace from elements;is there any particular reason why you're writing something that complicated instead of using simple regexp? select distinct regexp_replace( xml_text, '.*xmlns="([^"]+)".*', E'\\1') from elements; Best regards, depesz
Just gross incompetency with regexps. Much thanks. -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
