drop if exists

From: Andrew Dunstan <andrew(at)dunslane(dot)net>
To: "Patches (PostgreSQL)" <pgsql-patches(at)postgresql(dot)org>
Subject: drop if exists
Date: 2005-11-14 14:25:49
Message-ID: 43789E6D.9040009@dunslane.net
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Ther attached patch is for comment. It implements "drop if exists" as
has recently been discussed. Illustration:

andrew=# drop table blurflx;
ERROR: table "blurflx" does not exist
andrew=# drop table if exists blurflx;
DROP TABLE
andrew=# create table blurflx ( x text);
CREATE TABLE
andrew=# drop table if exists blurflx;
DROP TABLE
andrew=# drop table blurflx;
ERROR: table "blurflx" does not exist
andrew=#

If the patch is acceptable I will work up some documentation and
regression tests.

cheers

andrew

Attachment Content-Type Size
drop-if-exists.patch text/x-patch 16.7 KB

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