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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.8 $ -->
<refentry xml:id="function.ovrimos-fetch-row" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>ovrimos_fetch_row</refname>
<refpurpose>Fetches a row from the result set</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>ovrimos_fetch_row</methodname>
<methodparam><type>int</type><parameter>result_id</parameter></methodparam>
<methodparam choice="opt"><type>int</type><parameter>how</parameter></methodparam>
<methodparam choice="opt"><type>int</type><parameter>row_number</parameter></methodparam>
</methodsynopsis>
<para>
Fetches a row from the result set. Column values should be retrieved with
other calls.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>result_id</parameter></term>
<listitem>
<para>
A result identifier, returned by <function>ovrimos_execute</function>
or <function>ovrimos_exec</function>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>how</parameter></term>
<listitem>
<para>
Determines how the rows are fetched. This can be one of the following
strings (case is not significant):
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>Option</entry>
<entry>Notes</entry>
</row>
</thead>
<tbody>
<row>
<entry><literal>Next</literal></entry>
<entry>
Forward direction from current position.
This is the default value.
</entry>
</row>
<row>
<entry><literal>Prev</literal></entry>
<entry>
Backward direction from current position.
</entry>
</row>
<row>
<entry><literal>First</literal></entry>
<entry>
Forward direction from the start.
</entry>
</row>
<row>
<entry><literal>Last</literal></entry>
<entry>
Backward direction from the end.
</entry>
</row>
<row>
<entry><literal>Absolute</literal></entry>
<entry>
Absolute position from the start.
Requires <parameter>rownumber</parameter>.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>rownumber</parameter></term>
<listitem>
<para>
The row number, first one is 0. Only needed when
<parameter>how</parameter> is set to
<literal>Absolute</literal>.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.success;
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>A fetch row example</title>
<programlisting role="php">
<![CDATA[
<?php
$conn = ovrimos_connect("remote.host", "8001", "admin", "password");
if ($conn != 0) {
echo "Connection ok!";
$res=ovrimos_exec($conn, "select table_id, table_name from sys.tables");
if ($res != 0) {
echo "Statement ok!";
if (ovrimos_fetch_row($res, "First")) {
$table_id = ovrimos_result($res, 1);
$table_name = ovrimos_result($res, 2);
echo "table_id=" . $table_id . ", table_name=" . $table_name . "\n";
if (ovrimos_fetch_row($res, "Next")) {
$table_id = ovrimos_result($res, "table_id");
$table_name = ovrimos_result($res, "table_name");
echo "table_id=" . $table_id . ", table_name=" . $table_name . "\n";
} else {
echo "Next: error\n";
}
} else {
echo "First: error\n";
}
ovrimos_free_result($res);
}
ovrimos_close($conn);
}
?>
]]>
</programlisting>
</example>
This will fetch a row and print the result.
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>ovrimos_fetch_into</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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