Re: index doesn't work for null?
Per-Olof Pettersson <pgsql@peope.net>
From: Per-Olof Pettersson <pgsql@peope.net>
To: pgsql-general@postgresql.org
Date: 2001-05-15T23:45:26Z
Lists: pgsql-general
Hi Alex I have no idea if it is a known issue. Though "field=null" is not allowed in standard SQL. The correct statement should be "select from xx where field IS NULL;". Perhaps it will be handled better (or not). Best regards Per-Olof Pettersson >>>>>>>>>>>>>>>>>> Original Message <<<<<<<<<<<<<<<<<< On 2001-05-16, 00:21:34, alex@pilosoft.com (Alex Pilosov) wrote regarding index doesn't work for null?: > I have a bit of a problem: > 'select from xx where field=null' will always result in seq scan even when > there's a [btree] index on the field. > Is this a known issue? > -alex > ---------------------------(end of broadcast)--------------------------- > TIP 6: Have you searched our list archives? > http://www.postgresql.org/search.mpl