mirror of
https://github.com/sigmasternchen/php-doc-en
synced 2025-03-19 18:38:55 +00:00
6a6061bbd4
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@322055 c90b9560-bf6c-de11-be94-00142212c4b1
155 lines
4.1 KiB
XML
155 lines
4.1 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
|
|
<!-- $Revision$ -->
|
|
<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.maxdb-query">
|
|
<refnamediv>
|
|
<refname>maxdb_query</refname>
|
|
<refname>maxdb::query</refname>
|
|
<refpurpose>Performs a query on the database</refpurpose>
|
|
</refnamediv>
|
|
|
|
<refsect1 role="description">
|
|
&reftitle.description;
|
|
<para>&style.procedural;</para>
|
|
<methodsynopsis>
|
|
<type>mixed</type><methodname>maxdb_query</methodname>
|
|
<methodparam><type>resource</type><parameter>link</parameter></methodparam>
|
|
<methodparam><type>string</type><parameter>query</parameter></methodparam>
|
|
<methodparam choice="opt"><type>int</type><parameter>resultmode</parameter></methodparam>
|
|
</methodsynopsis>
|
|
<para>&style.oop;</para>
|
|
<methodsynopsis>
|
|
<type>mixed</type><methodname>maxdb::query</methodname>
|
|
<methodparam><type>string</type><parameter>query</parameter></methodparam>
|
|
</methodsynopsis>
|
|
<para>
|
|
The <function>maxdb_query</function> function is used to simplify the
|
|
act of performing a query against the database represented by the
|
|
<parameter>link</parameter> parameter.
|
|
</para>
|
|
</refsect1>
|
|
|
|
<refsect1 role="returnvalues">
|
|
&reftitle.returnvalues;
|
|
<para>
|
|
&return.success; For <literal>SELECT, SHOW, DESCRIBE</literal> or
|
|
<literal>EXPLAIN</literal> <function>maxdb_query</function> will return
|
|
a result resource.
|
|
</para>
|
|
</refsect1>
|
|
|
|
<refsect1 role="examples">
|
|
&reftitle.examples;
|
|
<example>
|
|
<title>&style.oop;</title>
|
|
<programlisting role="php">
|
|
<![CDATA[
|
|
<?php
|
|
$maxdb = new maxdb("localhost", "MONA", "RED", "DEMODB");
|
|
|
|
/* check connection */
|
|
if (maxdb_connect_errno()) {
|
|
printf("Connect failed: %s\n", maxdb_connect_error());
|
|
exit();
|
|
}
|
|
|
|
/* Create table doesn't return a resultset */
|
|
if ($maxdb->query("CREATE TABLE temp.mycity LIKE hotel.city") === TRUE) {
|
|
printf("Table mycity successfully created.\n");
|
|
}
|
|
|
|
/* Select queries return a resultset */
|
|
if ($result = $maxdb->query("SELECT name FROM hotel.city")) {
|
|
printf("Select returned %d rows.\n", $result->num_rows);
|
|
|
|
/* free result set */
|
|
$result->close();
|
|
}
|
|
|
|
/* If we have to retrieve large amount of data we use MAXDB_USE_RESULT */
|
|
if ($result = $maxdb->query("SELECT * FROM hotel.city", MAXDB_USE_RESULT)) {
|
|
$result->close();
|
|
}
|
|
|
|
$maxdb->close();
|
|
?>
|
|
]]>
|
|
</programlisting>
|
|
</example>
|
|
<example>
|
|
<title>&style.procedural;</title>
|
|
<programlisting role="php">
|
|
<![CDATA[
|
|
<?php
|
|
$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");
|
|
|
|
/* check connection */
|
|
if (maxdb_connect_errno()) {
|
|
printf("Connect failed: %s\n", maxdb_connect_error());
|
|
exit();
|
|
}
|
|
|
|
/* Create table doesn't return a resultset */
|
|
if (maxdb_query($link, "CREATE TABLE temp.mycity LIKE hotel.city") === TRUE) {
|
|
printf("Table mycity successfully created.\n");
|
|
}
|
|
|
|
/* Select queries return a resultset */
|
|
if ($result = maxdb_query($link, "SELECT name FROM hotel.city")) {
|
|
printf("Select returned %d rows.\n", maxdb_num_rows($result));
|
|
|
|
/* free result set */
|
|
maxdb_free_result($result);
|
|
}
|
|
|
|
/* If we have to retrieve large amount of data we use MAXDB_USE_RESULT */
|
|
if ($result = maxdb_query($link, "SELECT * FROM hotel.city", MAXDB_USE_RESULT)) {
|
|
maxdb_free_result($result);
|
|
}
|
|
|
|
maxdb_close($link);
|
|
?>
|
|
]]>
|
|
</programlisting>
|
|
</example>
|
|
&example.outputs.similar;
|
|
<screen>
|
|
<![CDATA[
|
|
Table mycity successfully created.
|
|
Select returned 25 rows.
|
|
]]>
|
|
</screen>
|
|
</refsect1>
|
|
|
|
<refsect1 role="seealso">
|
|
&reftitle.seealso;
|
|
<para>
|
|
<simplelist>
|
|
<member><function>maxdb_real_query</function></member>
|
|
<member><function>maxdb_multi_query</function></member>
|
|
<member><function>maxdb_free_result</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
|
|
-->
|