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9ace03183c
as well allow DROP multiple INDEX, RULE, TYPE as well. Add missing CommandCounterIncrement to DROP loop, which could cause trouble otherwise with multiple DROP of items affecting same catalog entries. Try to bring a little consistency to various error messages using 'does not exist', 'nonexistent', etc --- I standardized on 'does not exist' since that's what the vast majority of the existing uses seem to be.
170 lines
3.7 KiB
Plaintext
170 lines
3.7 KiB
Plaintext
<!--
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$Header: /cvsroot/pgsql/doc/src/sgml/ref/drop_index.sgml,v 1.8 2000/10/22 23:32:38 tgl Exp $
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Postgres documentation
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-->
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<refentry id="SQL-DROPINDEX">
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<refmeta>
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<refentrytitle id="SQL-DROPINDEX-TITLE">
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DROP INDEX
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</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 INDEX
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</refname>
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<refpurpose>
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Removes existing indexes from a database
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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 INDEX <replaceable class="PARAMETER">index_name</replaceable> [, ...]
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</synopsis>
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<refsect2 id="R2-SQL-DROPINDEX-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">index_name</replaceable></term>
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<listitem>
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<para>
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The name of an index to remove.
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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-DROPINDEX-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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The message returned if the command completes successfully.
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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: index "<replaceable class="PARAMETER">index_name</replaceable>" does not 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 <replaceable class="PARAMETER">index_name</replaceable>
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is not an index 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-DROPINDEX-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 INDEX</command> drops an existing index from the database
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system. To execute this command you must be the owner of
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the index.
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</para>
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<refsect2 id="R2-SQL-DROPINDEX-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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<command>DROP INDEX</command> is a <productname>Postgres</productname>
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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-createindex-title" endterm="sql-createindex-title">
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for information on how to create indexes.
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</para>
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</refsect2>
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</refsect1>
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<refsect1 id="R1-SQL-DROPINDEX-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 will remove the <literal>title_idx</literal> index:
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<programlisting>
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DROP INDEX title_idx;
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</programlisting>
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</para>
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</refsect1>
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<refsect1 id="R1-SQL-DROPINDEX-3">
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<title>
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Compatibility
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</title>
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<refsect2 id="R2-SQL-DROPINDEX-4">
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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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<acronym>SQL92</acronym> defines commands by which to access
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a generic relational database.
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Indexes are an implementation-dependent feature and hence
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there are no index-specific commands or definitions in the
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<acronym>SQL92</acronym> language.
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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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sgml-omittag:nil
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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sgml-parent-document:nil
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sgml-default-dtd-file:"../reference.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:"/usr/lib/sgml/catalog"
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sgml-local-ecat-files:nil
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End:
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-->
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