mirror of
https://github.com/postgres/postgres.git
synced 2025-06-01 00:01:20 -04:00
102 lines
2.3 KiB
Plaintext
102 lines
2.3 KiB
Plaintext
<!--
|
|
$Header: /cvsroot/pgsql/doc/src/sgml/ref/move.sgml,v 1.23 2003/08/31 17:32:23 petere Exp $
|
|
PostgreSQL documentation
|
|
-->
|
|
|
|
<refentry id="SQL-MOVE">
|
|
<refmeta>
|
|
<refentrytitle id="SQL-MOVE-TITLE">MOVE</refentrytitle>
|
|
<refmiscinfo>SQL - Language Statements</refmiscinfo>
|
|
</refmeta>
|
|
|
|
<refnamediv>
|
|
<refname>MOVE</refname>
|
|
<refpurpose>reposition a cursor</refpurpose>
|
|
</refnamediv>
|
|
|
|
<indexterm zone="sql-move">
|
|
<primary>MOVE</primary>
|
|
</indexterm>
|
|
|
|
<refsynopsisdiv>
|
|
<synopsis>
|
|
MOVE [ <replaceable class="PARAMETER">direction</replaceable> { FROM | IN } ] <replaceable class="PARAMETER">cursor</replaceable>
|
|
</synopsis>
|
|
</refsynopsisdiv>
|
|
|
|
<refsect1>
|
|
<title>Description</title>
|
|
|
|
<para>
|
|
<command>MOVE</command> repositions a cursor without retrieving any data.
|
|
<command>MOVE</command> works exactly like the <command>FETCH</command>
|
|
command, except it only repositions the cursor and does not return rows.
|
|
</para>
|
|
|
|
<para>
|
|
Refer to
|
|
<xref linkend="sql-fetch" endterm="sql-fetch-title">
|
|
for details on syntax and usage.
|
|
</para>
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>Diagnostics</title>
|
|
|
|
<para>
|
|
The count returned in <command>MOVE</command>'s status string is
|
|
the count of the number of rows that would have been returned by
|
|
the equivalent <command>FETCH</command> command.
|
|
</para>
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>Examples</title>
|
|
|
|
<programlisting>
|
|
BEGIN WORK;
|
|
DECLARE liahona CURSOR FOR SELECT * FROM films;
|
|
|
|
-- Skip the first 5 rows:
|
|
MOVE FORWARD 5 IN liahona;
|
|
MOVE 5
|
|
|
|
-- Fetch the 6th row from the cursor liahona:
|
|
FETCH 1 FROM liahona;
|
|
code | title | did | date_prod | kind | len
|
|
-------+--------+-----+------------+--------+-------
|
|
P_303 | 48 Hrs | 103 | 1982-10-22 | Action | 01:37
|
|
(1 row)
|
|
|
|
-- Close the cursor liahona and end the transaction:
|
|
CLOSE liahona;
|
|
COMMIT WORK;
|
|
</programlisting>
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>Compatibility</title>
|
|
|
|
<para>
|
|
There is no <command>MOVE</command> statement in the SQL standard.
|
|
</para>
|
|
</refsect1>
|
|
</refentry>
|
|
|
|
<!-- Keep this comment at the end of the file
|
|
Local variables:
|
|
mode: sgml
|
|
sgml-omittag:nil
|
|
sgml-shorttag:t
|
|
sgml-minimize-attributes:nil
|
|
sgml-always-quote-attributes:t
|
|
sgml-indent-step:1
|
|
sgml-indent-data:t
|
|
sgml-parent-document:nil
|
|
sgml-default-dtd-file:"../reference.ced"
|
|
sgml-exposed-tags:nil
|
|
sgml-local-catalogs:"/usr/lib/sgml/catalog"
|
|
sgml-local-ecat-files:nil
|
|
End:
|
|
-->
|