mirror of
https://github.com/sigmasternchen/php-doc-en
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3c08ec64ae
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@308842 c90b9560-bf6c-de11-be94-00142212c4b1
125 lines
3 KiB
XML
125 lines
3 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xml:id="function.cubrid-is-instance" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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<refnamediv>
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<refname>cubrid_is_instance</refname>
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<refpurpose>Check whether the instance pointed by OID exists</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>int</type><methodname>cubrid_is_instance</methodname>
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<methodparam><type>resource</type><parameter>conn_identifier</parameter></methodparam>
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<methodparam><type>string</type><parameter>oid</parameter></methodparam>
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</methodsynopsis>
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<para>
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The <function>cubrid_is_instance</function> function is used to check
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whether the instance pointed by the given <parameter>oid</parameter>
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exists or not.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>conn_identifier</parameter></term>
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<listitem><para>Connection identifier.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>oid</parameter></term>
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<listitem><para>OID of the instance that you want to check the existence.</para></listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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1, if such instance exists;
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</para>
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<para>
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0, if such instance does not exist;
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</para>
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<para>
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-1, in case of error
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<example>
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<title><function>cubrid_is_instance</function> example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$conn = cubrid_connect("localhost", 33000, "demodb");
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$sql = <<<EOD
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SELECT host_year, medal, game_date
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FROM game
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WHERE athlete_code IN
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(SELECT code FROM athlete WHERE name='Thorpe Ian');
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EOD;
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$req = cubrid_execute($conn, $sql, CUBRID_INCLUDE_OID);
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$oid = cubrid_current_oid($req);
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$res = cubrid_is_instance ($conn, $oid);
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if ($res == 1) {
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echo "Instance pointed by $oid exists.\n";
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} else if ($res == 0){
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echo "Instance pointed by $oid doesn't exist.\n";
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} else {
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echo "error\n";
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}
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cubrid_disconnect($conn);
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen>
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<![CDATA[
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Instance pointed by @0|0|0 doesn't exist.
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]]>
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</screen>
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</example>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>cubrid_drop</function></member>
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<member><function>cubrid_get_class_name</function></member>
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</simplelist>
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</para>
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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:t
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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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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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