count.xml

<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: 86e6094e86b84a51d00ab217ac50ce8dde33d82a Maintainer: mumumu Status: ready -->

<refentry xml:id="mysql-xdevapi-table.count" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>Table::count</refname>
  <refpurpose>行の数を取得する</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <modifier>public</modifier> <type>int</type><methodname>mysql_xdevapi\Table::count</methodname>
   <void />
  </methodsynopsis>
  <para>
   テーブルの行数を取得します。
  </para>

 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  &no.function.parameters;
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   テーブルの合計の行数を返します。
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <example>
   <title><function>mysql_xdevapi\Table::count</function> の例</title>
   <programlisting role="php">
<![CDATA[
<?php
$session = mysql_xdevapi\getSession("mysqlx://user:password@localhost");

$session->sql("DROP DATABASE IF EXISTS addressbook")->execute();
$session->sql("CREATE DATABASE addressbook")->execute();
$session->sql("CREATE TABLE addressbook.names(name text, age int)")->execute();
$session->sql("INSERT INTO addressbook.names values ('John', 42), ('Sam', 33)")->execute();

$schema = $session->getSchema("addressbook");
$table  = $schema->getTable("names");

var_dump($table->count());
?>
]]>
   </programlisting>
   &example.outputs;
   <screen>
<![CDATA[
int(2)
]]>
   </screen>
  </example>
 </refsect1>

</refentry>

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