Re: CTTAS w/ DISTINCT ON crashes backend
Mike Mascari <mascarm@mascari.com>
From: Mike Mascari <mascarm@mascari.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-hackers@postgresql.org
Date: 2004-01-22T01:02:13Z
Lists: pgsql-hackers
Tom Lane wrote: >The crash I'm getting can be boiled down to this: > >regression=# create table fooey(f1 int) without oids; >CREATE TABLE >regression=# insert into fooey values(11); >INSERT 0 1 >regression=# create temp table fooey2 as select distinct * from fooey; >server closed the connection unexpectedly > This probably means the server terminated abnormally > before or while processing the request. >The connection to the server was lost. Attempting reset: Failed. >!> > >I'm getting an Assert failure, which no doubt detects the problem much >sooner than you were doing. The problem is in adding OIDs to rows that >initially did not have 'em when returned from the SELECT DISTINCT plan. > > Okay. >So your best immediate workaround is to create the first temp table with >oids, or create the second one without. > > Thanks! Mike Mascari