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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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14
doc/src/sgml/ref/drop_conversion.sgml
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@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/ref/drop_conversion.sgml,v 1.8 2003/11/29 19:51:38 pgsql Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/ref/drop_conversion.sgml,v 1.9 2005/11/19 17:39:44 adunstan Exp $ -->
<refentry id="SQL-DROPCONVERSION">
<refmeta>
@ -17,7 +17,7 @@
<refsynopsisdiv>
<synopsis>
DROP CONVERSION <replaceable>name</replaceable> [ CASCADE | RESTRICT ]
DROP CONVERSION [ IF EXISTS ] <replaceable>name</replaceable> [ CASCADE | RESTRICT ]
</synopsis>
</refsynopsisdiv>
@ -34,6 +34,16 @@ DROP CONVERSION <replaceable>name</replaceable> [ CASCADE | RESTRICT ]
<title>Parameters</title>
<variablelist>
<varlistentry>
<term><literal>IF EXISTS</literal></term>
<listitem>
<para>
Do not throw an error if the conversion does not exist.
A notice is issued in this case.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable>name</replaceable></term>

18
doc/src/sgml/ref/drop_domain.sgml
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@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/drop_domain.sgml,v 1.15 2005/05/02 01:52:50 neilc Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/drop_domain.sgml,v 1.16 2005/11/19 17:39:44 adunstan Exp $
PostgreSQL documentation
-->
@ -20,7 +20,7 @@ PostgreSQL documentation
<refsynopsisdiv>
<synopsis>
DROP DOMAIN <replaceable class="PARAMETER">name</replaceable> [, ...] [ CASCADE | RESTRICT ]
DROP DOMAIN [IF EXISTS ] <replaceable class="PARAMETER">name</replaceable> [, ...] [ CASCADE | RESTRICT ]
</synopsis>
</refsynopsisdiv>
@ -37,6 +37,16 @@ DROP DOMAIN <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 domain does not exist. A notice is issued
in this case.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="PARAMETER">name</replaceable></term>
<listitem>
@ -84,7 +94,9 @@ DROP DOMAIN box;
<title>Compatibility</title>
<para>
This command conforms to the SQL standard.
This command conforms to the SQL standard, except for the
<literal>IF EXISTS</> option, which is a <productname>PostgreSQL</>
extension.
</para>
</refsect1>

14
doc/src/sgml/ref/drop_index.sgml
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@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/drop_index.sgml,v 1.21 2003/11/29 19:51:38 pgsql Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/drop_index.sgml,v 1.22 2005/11/19 17:39:44 adunstan Exp $
PostgreSQL documentation
-->
@ -20,7 +20,7 @@ PostgreSQL documentation
<refsynopsisdiv>
<synopsis>
DROP INDEX <replaceable class="PARAMETER">name</replaceable> [, ...] [ CASCADE | RESTRICT ]
DROP INDEX [ IF EXISTS ] <replaceable class="PARAMETER">name</replaceable> [, ...] [ CASCADE | RESTRICT ]
</synopsis>
</refsynopsisdiv>
@ -38,6 +38,16 @@ DROP INDEX <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 index does not exist. A notice is issued
in this case.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="PARAMETER">name</replaceable></term>
<listitem>

18
doc/src/sgml/ref/drop_schema.sgml
View File

@ -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>

18
doc/src/sgml/ref/drop_sequence.sgml
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@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/drop_sequence.sgml,v 1.23 2005/11/01 21:09:50 tgl Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/drop_sequence.sgml,v 1.24 2005/11/19 17:39:44 adunstan Exp $
PostgreSQL documentation
-->
@ -20,7 +20,7 @@ PostgreSQL documentation
<refsynopsisdiv>
<synopsis>
DROP SEQUENCE <replaceable class="PARAMETER">name</replaceable> [, ...] [ CASCADE | RESTRICT ]
DROP SEQUENCE [ IF EXISTS ] <replaceable class="PARAMETER">name</replaceable> [, ...] [ CASCADE | RESTRICT ]
</synopsis>
</refsynopsisdiv>
@ -36,6 +36,16 @@ DROP SEQUENCE <replaceable class="PARAMETER">name</replaceable> [, ...] [ CASCAD
<title>Parameters</title>
<variablelist>
<varlistentry>
<term><literal>IF EXISTS</literal></term>
<listitem>
<para>
Do not throw an error if the sequence does not exist. A notice is issued
in this case.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="PARAMETER">name</replaceable></term>
<listitem>
@ -84,7 +94,9 @@ DROP SEQUENCE serial;
<para>
<command>DROP SEQUENCE</command> conforms to the <acronym>SQL</acronym>
standard, except that the standard only allows one
sequence to be dropped per command.
sequence to be dropped per command, and apart from the
<literal>IF EXISTS</> option, which is a <productname>PostgreSQL</>
extension.
</para>
</refsect1>

18
doc/src/sgml/ref/drop_table.sgml
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@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/drop_table.sgml,v 1.22 2005/01/04 00:39:53 tgl Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/drop_table.sgml,v 1.23 2005/11/19 17:39:44 adunstan Exp $
PostgreSQL documentation
-->
@ -20,7 +20,7 @@ PostgreSQL documentation
<refsynopsisdiv>
<synopsis>
DROP TABLE <replaceable class="PARAMETER">name</replaceable> [, ...] [ CASCADE | RESTRICT ]
DROP TABLE [ IF EXISTS ] <replaceable class="PARAMETER">name</replaceable> [, ...] [ CASCADE | RESTRICT ]
</synopsis>
</refsynopsisdiv>
@ -48,6 +48,16 @@ DROP TABLE <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 table does not exist. A notice is issued
in this case.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="PARAMETER">name</replaceable></term>
<listitem>
@ -97,7 +107,9 @@ DROP TABLE films, distributors;
<para>
This command conforms to the SQL standard, except that the standard only
allows one table to be dropped per command.
allows one table to be dropped per command, and apart from the
<literal>IF EXISTS</> option, which is a <productname>PostgreSQL</>
extension.
</para>
</refsect1>

18
doc/src/sgml/ref/drop_type.sgml
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@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/drop_type.sgml,v 1.26 2004/06/25 21:55:50 tgl Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/drop_type.sgml,v 1.27 2005/11/19 17:39:44 adunstan Exp $
PostgreSQL documentation
-->
@ -20,7 +20,7 @@ PostgreSQL documentation
<refsynopsisdiv>
<synopsis>
DROP TYPE <replaceable class="PARAMETER">name</replaceable> [, ...] [ CASCADE | RESTRICT ]
DROP TYPE [ IF EXISTS ] <replaceable class="PARAMETER">name</replaceable> [, ...] [ CASCADE | RESTRICT ]
</synopsis>
</refsynopsisdiv>
@ -37,6 +37,16 @@ DROP TYPE <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 type does not exist. A notice is issued
in this case.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="PARAMETER">name</replaceable></term>
<listitem>
@ -84,7 +94,9 @@ DROP TYPE box;
<para>
This command is similar to the corresponding command in the SQL
standard, but note that the <command>CREATE TYPE</command> command
standard, aapart from the <literal>IF EXISTS</>
option, which is a <productname>PostgreSQL</> extension.
But note that the <command>CREATE TYPE</command> command
and the data type extension mechanisms in
<productname>PostgreSQL</productname> differ from the SQL standard.
</para>

18
doc/src/sgml/ref/drop_view.sgml
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@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/drop_view.sgml,v 1.21 2005/01/04 00:39:53 tgl Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/drop_view.sgml,v 1.22 2005/11/19 17:39:44 adunstan Exp $
PostgreSQL documentation
-->
@ -20,7 +20,7 @@ PostgreSQL documentation
<refsynopsisdiv>
<synopsis>
DROP VIEW <replaceable class="PARAMETER">name</replaceable> [, ...] [ CASCADE | RESTRICT ]
DROP VIEW [ IF EXISTS ] <replaceable class="PARAMETER">name</replaceable> [, ...] [ CASCADE | RESTRICT ]
</synopsis>
</refsynopsisdiv>
@ -37,6 +37,16 @@ DROP VIEW <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 view does not exist. A notice is issued
in this case.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="PARAMETER">name</replaceable></term>
<listitem>
@ -84,7 +94,9 @@ DROP VIEW kinds;
<para>
This command conforms to the SQL standard, except that the standard only
allows one view to be dropped per command.
allows one view to be dropped per command, and apart from the
<literal>IF EXISTS</> option, which is a <productname>PostgreSQL</>
extension.
</para>
</refsect1>