Table::count

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Table::count — Get row count

说明

public mysql_xdevapi\Table::count(): int

Fetch the number of rows in the table.

参数

此函数没有参数。

返回值

The total number of rows in the table.

范例

示例 #1 mysql_xdevapi\Table::count() example

<?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());
?>

以上例程会输出：

int(2)
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