pgsql-server/src backend/parser/gram.y include ...

From: tgl(at)svr1(dot)postgresql(dot)org (Tom Lane)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql-server/src backend/parser/gram.y include ...
Date: 2003-08-22 20:34:33
Message-ID: 20030822203433.87260D1BACF@svr1.postgresql.org
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-committers

CVSROOT: /cvsroot
Module name: pgsql-server
Changes by: tgl(at)svr1(dot)postgresql(dot)org 03/08/22 17:34:33

Modified files:
src/backend/parser: gram.y
src/include/nodes: pg_list.h

Log message:
Tweak grammar to use FastAppend rather than lappend when constructing
expr_lists. This appears to be the only remaining O(N^2) bottleneck
in processing many-way 'x IN (a,b,c,...)' conditions.

Browse pgsql-committers by date

  From Date Subject
Next Message Tom Lane 2003-08-22 21:57:45 pgsql-server/src/interfaces/libpq Tag: REL7_3_ ...
Previous Message Tom Lane 2003-08-22 20:26:43 pgsql-server/src backend/executor/nodeIndexsca ...