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git-svn-id: https://svn.php.net/repository/phpdoc/ru/trunk@314883 c90b9560-bf6c-de11-be94-00142212c4b1
119 lines
3.4 KiB
XML
119 lines
3.4 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: 96c9d88bad9a7d7d44bfb7f26c226df7ee9ddf26 Maintainer: mch Status: ready -->
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<!-- Reviewed: no -->
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<!-- $Revision$ -->
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<!-- splitted from ./en/functions/pgsql.xml, last change in rev 1.2 -->
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<refentry xml:id="function.pg-field-num" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>pg_field_num</refname>
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<refpurpose>Возвращает порядковый номер именованного поля</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>pg_field_num</methodname>
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<methodparam><type>resource</type><parameter>result</parameter></methodparam>
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<methodparam><type>string</type><parameter>field_name</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>pg_field_num</function> вернет порядковый номер поля
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с именем <parameter>field_name</parameter> в результате запроса
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<parameter>result</parameter>.
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</para>
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<note>
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<para>
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Прежнее название функции: <function>pg_fieldnum</function>.
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</para>
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</note>
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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>result</parameter></term>
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<listitem>
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<para>
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Ресурс результата запроса PostgreSQL, возвращаемый функциями
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<function>pg_query</function>, <function>pg_query_params</function>
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или <function>pg_execute</function> (в числе прочих).
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>field_name</parameter></term>
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<listitem>
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<para>
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Наименование поля.
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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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Номер поля (начиная с нуля), либо -1 в случае ошибки.
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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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<para>
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<example>
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<title>Получение информации о полях выборки</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$dbconn = pg_connect("dbname=publisher") or die("Невозможно соединиться с базой");
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$res = pg_query($dbconn, "select author, year, title from authors where author = 'Orwell'");
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echo "Столбец 'title' - это поле с номером: ", pg_field_num($res, 'title');
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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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Столбец 'title' - это поле с номером: 2
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]]>
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</screen>
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</example>
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</para>
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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>pg_field_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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--> |