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158 lines
4.5 KiB
XML
158 lines
4.5 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: 51c34024efa35d5691825b3e61037ffe61c46d20 Maintainer: tmn Status: ready -->
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<!-- Reviewed: no -->
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<refentry xml:id="mysqli-stmt.data-seek" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>mysqli_stmt::data_seek</refname>
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<refname>mysqli_stmt_data_seek</refname>
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<refpurpose>Корректирует указатель результата на произвольную строку в буферизованном результате</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<para>&style.oop;</para>
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<methodsynopsis role="mysqli_stmt">
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<modifier>public</modifier> <type>void</type><methodname>mysqli_stmt::data_seek</methodname>
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<methodparam><type>int</type><parameter>offset</parameter></methodparam>
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</methodsynopsis>
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<para>&style.procedural;</para>
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<methodsynopsis>
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<type>void</type><methodname>mysqli_stmt_data_seek</methodname>
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<methodparam><type>mysqli_stmt</type><parameter>statement</parameter></methodparam>
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<methodparam><type>int</type><parameter>offset</parameter></methodparam>
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</methodsynopsis>
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<para>
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Функция перемещает указатель буферизованного набора результатов в произвольную строку,
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заданную параметром <parameter>offset</parameter>.
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</para>
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<para>
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Функция работает только с буферизованным внутренним набором результатов.
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Функция <function>mysqli_stmt_store_result</function> должна быть вызвана до
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<function>mysqli_stmt_data_seek</function>.
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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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&mysqli.stmt.description;
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<varlistentry>
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<term><parameter>offset</parameter></term>
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<listitem>
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<para>
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Значение должно быть в диапазоне от 0 до числа строк минус один (0..
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<function>mysqli_stmt_num_rows</function> - 1).
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</para>
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</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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&return.void;
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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>&style.oop;</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
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$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
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$query = "SELECT Name, CountryCode FROM City ORDER BY Name";
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$stmt = $mysqli->prepare($query);
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$stmt->execute();
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$stmt->bind_result($name, $code);
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$stmt->store_result();
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/* переходим к строке 400 результирующей таблицы */
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$stmt->data_seek(399);
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$stmt->fetch();
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printf("Город: %s Код страны: %s\n", $name, $code);
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?>
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]]>
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</programlisting>
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</example>
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<example>
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<title>&style.procedural;</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
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$link = mysqli_connect("localhost", "my_user", "my_password", "world");
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$query = "SELECT Name, CountryCode FROM City ORDER BY Name";
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$stmt = mysqli_prepare($link, $query);
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mysqli_stmt_execute($stmt);
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mysqli_stmt_bind_result($stmt, $name, $code);
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mysqli_stmt_store_result($stmt);
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/* переходим к строке 400 результирующей таблицы */
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mysqli_stmt_data_seek($stmt, 399);
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mysqli_stmt_fetch($stmt);
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printf("Город: %s Код страны: %s\n", $name, $code);
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?>
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]]>
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</programlisting>
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&examples.outputs;
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<screen>
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<![CDATA[
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Город: Benin City Код страны: NGA
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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>mysqli_prepare</function></member>
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<member><function>mysqli_stmt_store_result</function></member>
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<member><function>mysqli_stmt_num_rows</function></member>
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<member><function>mysqli_data_seek</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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