175 lines
4.1 KiB
Plaintext
175 lines
4.1 KiB
Plaintext
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$Header: /cvsroot/pgsql/doc/src/sgml/ref/drop_language.sgml,v 1.13 2001/12/08 03:24:36 thomas Exp $
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PostgreSQL documentation
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-->
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<refentry id="SQL-DROPLANGUAGE">
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<refmeta>
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<refentrytitle id="SQL-DROPLANGUAGE-TITLE">DROP LANGUAGE</refentrytitle>
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<refmiscinfo>SQL - Language Statements</refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>
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DROP LANGUAGE
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</refname>
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<refpurpose>
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remove a user-defined procedural language
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</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<refsynopsisdivinfo>
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<date>1999-07-20</date>
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</refsynopsisdivinfo>
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<synopsis>
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DROP [ PROCEDURAL ] LANGUAGE <replaceable class="PARAMETER">name</replaceable>
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</synopsis>
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<refsect2 id="R2-SQL-DROPLANGUAGE-1">
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<refsect2info>
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<date>1998-04-15</date>
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</refsect2info>
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<title>
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Inputs
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</title>
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<para>
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<variablelist>
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<varlistentry>
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<term><replaceable class="PARAMETER">name</replaceable></term>
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<listitem>
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<para>
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The name of an existing procedural language. For backward
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compatibility, the name may be enclosed by single quotes.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect2>
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<refsect2 id="R2-SQL-DROPLANGUAGE-2">
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<refsect2info>
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<date>1998-04-15</date>
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</refsect2info>
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<title>
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Outputs
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</title>
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<para>
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<variablelist>
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<varlistentry>
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<term><computeroutput>
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DROP
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</computeroutput></term>
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<listitem>
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<para>
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This message is returned if the language is successfully dropped.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><computeroutput>
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ERROR: Language "<replaceable class="parameter">name</replaceable>" doesn't exist
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</computeroutput></term>
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<listitem>
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<para>
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This message occurs if a language called
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<replaceable class="parameter">name</replaceable> is
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not found in the database.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect2>
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</refsynopsisdiv>
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<refsect1 id="R1-SQL-DROPLANGUAGE-1">
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<refsect1info>
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<date>1998-04-15</date>
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</refsect1info>
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<title>
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Description
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</title>
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<para>
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<command>DROP PROCEDURAL LANGUAGE</command> will remove the definition
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of the previously registered procedural language called
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<replaceable class="parameter">name</replaceable>.
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</para>
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<refsect2 id="R2-SQL-DROPLANGUAGE-3">
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<refsect2info>
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<date>1998-04-15</date>
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</refsect2info>
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<title>
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Notes
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</title>
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<para>
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The <command>DROP PROCEDURAL LANGUAGE</command> statement is
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a <productname>PostgreSQL</productname> language extension.
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</para>
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<para>
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Refer to
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<xref linkend="sql-createlanguage" endterm="sql-createlanguage-title">
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for information on how to create procedural languages.
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</para>
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<para>
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No checks are made if functions or trigger procedures registered
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in this language still exist. To re-enable them without having
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to drop and recreate all the functions, the pg_proc's prolang
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attribute of the functions must be adjusted to the new object
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ID of the recreated pg_language entry for the PL.
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</para>
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</refsect2>
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</refsect1>
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<refsect1 id="R1-SQL-DROPLANGUAGE-2">
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<title>
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Usage
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</title>
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<para>
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This command removes the PL/Sample language:
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<programlisting>
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DROP LANGUAGE plsample;
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</programlisting>
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</para>
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</refsect1>
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<refsect1 id="R1-SQL-DROPLANGUAGE-3">
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<title>
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Compatibility
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</title>
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<refsect2 id="R2-SQL-DROPLANGUAGE-5">
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<refsect2info>
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<date>1998-04-15</date>
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</refsect2info>
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<title>
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SQL92
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</title>
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<para>
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There is no <command>DROP PROCEDURAL LANGUAGE</command> in
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<acronym>SQL92</acronym>.
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</para>
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</refsect2>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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End:
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-->
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