PHP - Manual: Table::count
2024-11-14
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Table::count — Get row count
Fetch the number of rows in the table.
此函数没有参数。
The total number of rows in the table.
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)
官方地址:https://www.php.net/manual/en/mysql-xdevapi-table.count.php