php-doc-en/reference/cubrid/functions/cubrid-field-flags.xml
2010-09-08 01:27:51 +00:00

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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.cubrid-field-flags" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>cubrid_field_flags</refname>
<refpurpose>Returns a string with the flags of the given field offset</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>string</type><methodname>cubrid_field_flags</methodname>
<methodparam><type>resource</type><parameter>req_identifier</parameter></methodparam>
<methodparam><type>int</type><parameter>field_offset</parameter></methodparam>
</methodsynopsis>
<para>
This function returns a string with the flags of the given field offset separated by space. You can split the returned value using explode. The possible flags could be: <constant>not_null</constant>, <constant>primary_key</constant>, <constant>unique_key</constant>, <constant>foreign_key</constant>, <constant>auto_increment</constant>, <constant>shared</constant>, <constant>reverse_index</constant>, <constant>reverse_unique</constant> and <constant>timestamp</constant>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>req_identifier</parameter></term>
<listitem><para>This is the request identifier.</para></listitem>
</varlistentry>
<varlistentry>
<term><parameter>field_offset</parameter></term>
<listitem><para>The numerical field offset. The <parameter>field_offset</parameter> starts at 0. If <parameter>field_offset</parameter> does not exist, an error of level <constant>E_WARNING</constant> is also issued.</para></listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
A string with flags, when process is successful.
</para>
<para>
&false; when invalid field_offset value.
</para>
<para>
-1 if SQL sentence is not SELECT.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<example>
<title><function>cubrid_field_flags</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$link = cubrid_connect("localhost", 30000, "demodb2", "dba", "");
if (!$link)
{
die('Could not connect.');
}
$query = 'SELECT id, name, address, salary FROM employees';
$result = cubrid_execute($link, $query);
if ($result)
{
$flags = cubrid_field_flags($result, 0);
print_r(explode(' ', $flags));
cubrid_close_request($result);
}
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
Result:
Array ( [0] => not_null [1] => unique_key [2] => auto_increment )
]]>
</screen>
</example>
</refsect1>
</refentry>
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