/
data-seek.xml
154 lines (133 loc) · 3.96 KB
/
data-seek.xml
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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="mysqli-stmt.data-seek" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>mysqli_stmt::data_seek</refname>
<refname>mysqli_stmt_data_seek</refname>
<refpurpose>Adjusts the result pointer to an arbitrary row in the buffered result</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<para>&style.oop;</para>
<methodsynopsis role="mysqli_stmt">
<modifier>public</modifier> <type>void</type><methodname>mysqli_stmt::data_seek</methodname>
<methodparam><type>int</type><parameter>offset</parameter></methodparam>
</methodsynopsis>
<para>&style.procedural;</para>
<methodsynopsis>
<type>void</type><methodname>mysqli_stmt_data_seek</methodname>
<methodparam><type>mysqli_stmt</type><parameter>statement</parameter></methodparam>
<methodparam><type>int</type><parameter>offset</parameter></methodparam>
</methodsynopsis>
<para>
This function moves the result set pointer of the buffered result set to
an arbitrary row specified by the <parameter>offset</parameter> parameter.
</para>
<para>
This function works only on the buffered internal result set.
<function>mysqli_stmt_store_result</function> must be called prior to
<function>mysqli_stmt_data_seek</function>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
&mysqli.stmt.description;
<varlistentry>
<term><parameter>offset</parameter></term>
<listitem>
<para>
Must be between zero and the total number of rows minus one (0..
<function>mysqli_stmt_num_rows</function> - 1).
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.void;
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<example>
<title>&style.oop;</title>
<programlisting role="php">
<![CDATA[
<?php
mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
$query = "SELECT Name, CountryCode FROM City ORDER BY Name";
$stmt = $mysqli->prepare($query);
$stmt->execute();
$stmt->bind_result($name, $code);
$stmt->store_result();
/* seek to row no. 400 */
$stmt->data_seek(399);
$stmt->fetch();
printf("City: %s Countrycode: %s\n", $name, $code);
]]>
</programlisting>
</example>
<example>
<title>&style.procedural;</title>
<programlisting role="php">
<![CDATA[
<?php
mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$link = mysqli_connect("localhost", "my_user", "my_password", "world");
$query = "SELECT Name, CountryCode FROM City ORDER BY Name";
$stmt = mysqli_prepare($link, $query);
mysqli_stmt_execute($stmt);
mysqli_stmt_bind_result($stmt, $name, $code);
mysqli_stmt_store_result($stmt);
/* seek to row no. 400 */
mysqli_stmt_data_seek($stmt, 399);
mysqli_stmt_fetch($stmt);
printf("City: %s Countrycode: %s\n", $name, $code);
]]>
</programlisting>
&examples.outputs;
<screen>
<![CDATA[
City: Benin City Countrycode: NGA
]]>
</screen>
</example>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>mysqli_prepare</function></member>
<member><function>mysqli_stmt_store_result</function></member>
<member><function>mysqli_stmt_num_rows</function></member>
<member><function>mysqli_data_seek</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->