Re: Command Triggers
Alvaro Herrera <alvherre@commandprompt.com>
From: Alvaro Herrera <alvherre@commandprompt.com>
To: Dimitri Fontaine <dimitri@2ndquadrant.fr>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Robert Haas <robertmhaas@gmail.com>, Andres Freund <andres@anarazel.de>, Pg Hackers <pgsql-hackers@postgresql.org>, Greg Smith <greg@2ndquadrant.com>, Bruce Momjian <bruce@momjian.us>
Date: 2012-01-18T19:17:36Z
Lists: pgsql-hackers
Excerpts from Dimitri Fontaine's message of mié ene 18 16:03:29 -0300 2012: > At the moment the trigger functions are called from > standard_ProcessUtility() and are given the parse tree as handed over to > that function, before the parse analysis. > > We can easily enough copy the parse tree and do another round of parse > analysis on it only when some command triggers are going to get called. > Is the cost of doing so acceptable? Huh, isn't it simpler to just pass the triggers the parse tree *after* parse analysis? I don't understand what you're doing here. -- Álvaro Herrera <alvherre@commandprompt.com> The PostgreSQL Company - Command Prompt, Inc. PostgreSQL Replication, Consulting, Custom Development, 24x7 support