On 11/22/2011 12:39 AM, Jasmin Dizdarevic wrote: > Hi, > > we have a reporting tool, that sometimes uses this kind of condition. > ...WHERE a.field = a.field > > To explain this: a.field can be filtered by the user. the user can > choose some values. if he does, this condition will be build: > ...WHERE a.field IN (1,2,3) > > If the user doesn't choose any values the * = * condition is used. > > Since 9.1 we're experiencing problems with this construction. Have > there been any changes to the planner regarding this? > > Ty > Regards, Jasmin
If it's a commercial product please name that reporting tool: clearly it's to be avoided. If it's an in-house tool clearly it's broken. -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql
