mysql-stat.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.mysql-stat" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>mysql_stat</refname>
  <refpurpose>Retourne le statut courant du serveur MySQL</refpurpose>
 </refnamediv>

 <refsynopsisdiv>
  <warning>
   &mysql.alternative.note;
   <simplelist role="alternatives">
    <member><function>mysqli_stat</function></member>
    <member>
     <methodname>PDOStatement::getAttribute</methodname>
     avec <parameter>attribute</parameter> en tant que <constant>PDO::ATTR_SERVER_INFO</constant>
    </member>
   </simplelist>
  </warning>
 </refsynopsisdiv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>string</type><methodname>mysql_stat</methodname>
   <methodparam choice="opt"><type>resource</type><parameter>link_identifier</parameter><initializer>NULL</initializer></methodparam>
  </methodsynopsis>
  <para>
   <function>mysql_stat</function> retourne le statut courant du serveur MySQL.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    &mysql.linkid.description;
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Retourne une chaîne contenant le statut de durée de fonctionnement, 
   les threads, les requêtes, les tables ouvertes et sur disque, 
   et le nombre de requêtes par seconde. Pour une liste complète 
   des autres variables de statuts,
   vous devez utiliser la commande SQL <literal>SHOW STATUS</literal>.
   Si <parameter>link_identifier</parameter> est invalide, &null; est retourné.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>Exemple avec <function>mysql_stat</function></title>
    <programlisting role="php">
<![CDATA[
<?php
$link   = mysql_connect('localhost', 'mysql_user', 'mysql_password');
$status = explode('  ', mysql_stat($link));
print_r($status);
?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen>
<![CDATA[
Array
(
[0] => Uptime: 5380
[1] => Threads: 2
[2] => Questions: 1321299
[3] => Slow queries: 0
[4] => Opens: 26
[5] => Flush tables: 1
[6] => Open tables: 17
[7] => Queries per second avg: 245.595
)
]]>
    </screen>
   </example>
  </para>
  <para>
   <example>
    <title>Exemple alternatif pour <function>mysql_stat</function></title>
    <programlisting role="php">
<![CDATA[
<?php
$link   = mysql_connect('localhost', 'mysql_user', 'mysql_password');
$result = mysql_query('SHOW STATUS', $link);
while ($row = mysql_fetch_assoc($result)) {
  echo $row['Variable_name'] . ' = ' . $row['Value'] . "\n";
}
?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen>
<![CDATA[
back_log = 50
basedir = /usr/local/
bdb_cache_size = 8388600
bdb_log_buffer_size = 32768
bdb_home = /var/db/mysql/
bdb_max_lock = 10000
bdb_logdir = 
bdb_shared_data = OFF
bdb_tmpdir = /var/tmp/
...
]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>mysql_get_server_info</function></member>
    <member><function>mysql_list_processes</function></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>

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