Re: ALTER TABLE lock strength reduction patch is unsafe
Alvaro Herrera <alvherre@commandprompt.com>
From: Alvaro Herrera <alvherre@commandprompt.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Robert Haas <robertmhaas@gmail.com>, Simon Riggs <simon@2ndquadrant.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2011-06-17T21:17:03Z
Lists: pgsql-hackers
Commits
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API reference →
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Add bytea_agg, parallel to string_agg.
- d5448c7d31b5 9.2.0 cited
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Fix ALTER TABLE ONLY .. DROP CONSTRAINT.
- c0f03aae0469 9.2.0 cited
Excerpts from Tom Lane's message of vie jun 17 17:08:25 -0400 2011: > Alvaro Herrera <alvherre@commandprompt.com> writes: > > Hmm, would there be a problem if a scan on catalog A yields results from > > supposedly-running transaction X but another scan on catalog B yields > > result from transaction Y? (X != Y) For example, a scan on pg_class > > says that there are N triggers but scanning pg_trigger says N-1? > > Yeah, I came to that same conclusion downthread. Something is seriously wrong with my email :-( -- Álvaro Herrera <alvherre@commandprompt.com> The PostgreSQL Company - Command Prompt, Inc. PostgreSQL Replication, Consulting, Custom Development, 24x7 support