postgresql/doc/src/sgml/ref/drop_sequence.sgml

<REFENTRY ID="SQL-DROPSEQUENCE">
 <REFMETA>
  <REFENTRYTITLE>
   DROP SEQUENCE
  </REFENTRYTITLE>
  <REFMISCINFO>SQL - Language Statements</REFMISCINFO>
 </REFMETA>
 <REFNAMEDIV>
  <REFNAME>
   DROP SEQUENCE
  </REFNAME>
  <REFPURPOSE>
   Removes an existing sequence
  </REFPURPOSE>
 <REFSYNOPSISDIV>
  <REFSYNOPSISDIVINFO>
   <DATE>1998-09-22</DATE>
  </REFSYNOPSISDIVINFO>
  <SYNOPSIS>
DROP SEQUENCE <REPLACEABLE CLASS="PARAMETER">seqname</REPLACEABLE> [, ...]
  </SYNOPSIS>
  
  <REFSECT2 ID="R2-SQL-DROPSEQUENCE-1">
   <REFSECT2INFO>
    <DATE>1998-09-22</DATE>
   </REFSECT2INFO>
   <TITLE>
    Inputs
   </TITLE>
   <PARA>
   </PARA>
       <VARIABLELIST>
	<VARLISTENTRY>
	 <TERM>
	  <REPLACEABLE CLASS="PARAMETER">seqname</REPLACEABLE>
	 </TERM>
	 <LISTITEM>
	  <PARA>
          The name of a sequence.
	  </PARA>
	 </LISTITEM>
	</VARLISTENTRY>
       </variablelist>
  </REFSECT2>
  
  <REFSECT2 ID="R2-SQL-DROPSEQUENCE-2">
   <REFSECT2INFO>
    <DATE>1998-09-22</DATE>
   </REFSECT2INFO>
   <TITLE>
    Outputs
   </TITLE>
   <PARA>
   </PARA>
   <VARIABLELIST>
    <VARLISTENTRY>
     <TERM>
<replaceable>status</replaceable>
     </TERM>
     <LISTITEM>
      <PARA>
       <VARIABLELIST>
	<VARLISTENTRY>
	 <TERM>
	  <ReturnValue>DROP</ReturnValue>
	 </TERM>
	 <LISTITEM>
	  <PARA>
          The message returned if the sequence is successfully dropped.
	  </PARA>
	 </LISTITEM>
	</VARLISTENTRY>
	<VARLISTENTRY>
	 <TERM>
	  <ReturnValue>WARN: Relation "<replaceable class="parameter">seqname</replaceable>" does not exist.</ReturnValue>
	 </TERM>
	 <LISTITEM>
	  <PARA>
	   This message occurs if the specified sequence does not exist.
	  </PARA>
	 </LISTITEM>
	</VARLISTENTRY>
       </variablelist>
     </LISTITEM>
    </VARLISTENTRY>
   </VARIABLELIST>
  </REFSECT2>
 </REFSYNOPSISDIV>
 
 <REFSECT1 ID="R1-SQL-DROPSEQUENCE-1">
  <REFSECT1INFO>
   <DATE>1998-09-22</DATE>
  </REFSECT1INFO>
  <TITLE>
   Description
  </TITLE>
  <PARA>
   <command>DROP SEQUENCE</command> removes sequence number generators from the
   data base. With the current implementation of sequences as
   special tables it works just like the <command>DROP TABLE</command>
   statement.
  </PARA>
  
  <REFSECT2 ID="R2-SQL-DROPSEQUENCE-3">
   <REFSECT2INFO>
    <DATE>1998-09-22</DATE>
   </REFSECT2INFO>
   <TITLE>
    Notes
   </TITLE>
   <PARA>
    The <command>DROP SEQUENCE</command> statement is a
 <productname>Postgres</productname>
    language extension.
   </PARA>
   <PARA>
    Refer to the <command>CREATE SEQUENCE</command> statement for
    information on how to create a sequence.
   </PARA>
  </REFSECT2>
  
 <REFSECT1 ID="R1-SQL-DROPSEQUENCE-2">
  <TITLE>
   Usage
  </TITLE>
  <PARA>
   To remove sequence <literal>serial</literal> from database:
  </PARA>
  <ProgramListing>
DROP SEQUENCE serial
  </ProgramListing>
 </REFSECT1>
 
 <REFSECT1 ID="R1-SQL-DROPSEQUENCE-3">
  <TITLE>
   Compatibility
  </TITLE>
  <PARA>
  </PARA>
  
  <REFSECT2 ID="R2-SQL-DROPSEQUENCE-4">
   <REFSECT2INFO>
    <DATE>1998-09-22</DATE>
   </REFSECT2INFO>
   <TITLE>
    SQL92
   </TITLE>
   <PARA>
    There is no <command>DROP SEQUENCE</command> in <acronym>SQL92</acronym>.
   </PARA>
  </refsect2>
 </refsect1>
</REFENTRY>


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