(No version information available, might only be in Git)
RowResult::getColumnsCount — Get column count
Retrieve the column count for columns present in the result set.
此函數沒(méi)有參數。
The number of columns; 0 if there are none.
| 版本 | 說(shuō)明 |
|---|---|
| 8.0.14 | Method renamed from getColumnCount() to getColumnsCount(). |
示例 #1 mysql_xdevapi\RowResult::getColumnsCount() example
<?php
$session = mysql_xdevapi\getSession("mysqlx://user:password@localhost");
$session->sql("DROP DATABASE addressbook")->execute();
$session->sql("CREATE DATABASE foo")->execute();
$session->sql("CREATE TABLE foo.test_table(x int)")->execute();
$session->sql("INSERT INTO addressbook.names values ('John', 42), ('Sam', 33)")->execute();
$sql = $session->sql("SELECT * from addressbook.names")->execute();
echo $sql->getColumnsCount();
以上例程的輸出類(lèi)似于：
2