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DROP objecttype IF EXISTS for the following objects:

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table view index sequence schema type domain conversion
This commit is contained in:
Andrew Dunstan
2005-11-19 17:39:45 +00:00
parent 8ef289dba1
commit daea4d8eae
22 changed files with 436 additions and 81 deletions
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18
doc/src/sgml/ref/drop_schema.sgml
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@@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/drop_schema.sgml,v 1.6 2003/11/29 19:51:38 pgsql Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/drop_schema.sgml,v 1.7 2005/11/19 17:39:44 adunstan Exp $
PostgreSQL documentation
-->
@@ -20,7 +20,7 @@ PostgreSQL documentation
<refsynopsisdiv>
<synopsis>
DROP SCHEMA <replaceable class="PARAMETER">name</replaceable> [, ...] [ CASCADE | RESTRICT ]
DROP SCHEMA [ IF EXISTS ] <replaceable class="PARAMETER">name</replaceable> [, ...] [ CASCADE | RESTRICT ]
</synopsis>
</refsynopsisdiv>
@@ -42,6 +42,16 @@ DROP SCHEMA <replaceable class="PARAMETER">name</replaceable> [, ...] [ CASCADE
<title>Parameters</title>
<variablelist>
<varlistentry>
<term><literal>IF EXISTS</literal></term>
<listitem>
<para>
Do not throw an error if the schema does not exist. A notice is issued
in this case.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="PARAMETER">name</replaceable></term>
<listitem>
@@ -92,7 +102,9 @@ DROP SCHEMA mystuff CASCADE;
<para>
<command>DROP SCHEMA</command> is fully conforming with the SQL
standard, except that the standard only allows one schema to be
dropped per command.
dropped per command, and apart from the
<literal>IF EXISTS</> option, which is a <productname>PostgreSQL</>
extension.
</para>
</refsect1>