Re: Command Triggers
Alvaro Herrera <alvherre@commandprompt.com>
From: Alvaro Herrera <alvherre@commandprompt.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Andres Freund <andres@anarazel.de>, Pg Hackers <pgsql-hackers@postgresql.org>, Dimitri Fontaine <dimitri@2ndquadrant.fr>
Date: 2012-02-28T02:12:08Z
Lists: pgsql-hackers
Excerpts from Tom Lane's message of lun feb 27 20:54:41 -0300 2012: > Andres Freund <andres@anarazel.de> writes: > > On Tuesday, February 28, 2012 12:30:36 AM Tom Lane wrote: > >> Ugh ... if that's currently allowed, we definitely need to fix it. > > > Btw, whats the danger youre seing? > > Well, I'm not sure that it would actively break anything, but we > definitely meant to disallow the case. Also, I seem to recall some > places that intuit a relation's shared marker in the opposite direction > (if it's in pg_global it must be shared), and that could definitely > cause issues if we treat a rel as shared when it isn't. The list of shared rels is hardcoded -- see IsSharedRelation. -- Álvaro Herrera <alvherre@commandprompt.com> The PostgreSQL Company - Command Prompt, Inc. PostgreSQL Replication, Consulting, Custom Development, 24x7 support