RowResult::getColumnNames

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RowResult::getColumnNames — Get all column names

说明

public mysql_xdevapi\RowResult::getColumnNames(): array

Retrieve column names for columns present in the result set.

警告

本函数还未编写文档，仅有参数列表。

参数

此函数没有参数。

返回值

A numerical array of table columns names, or an empty array if the result set is empty.

范例

示例 #1 mysql_xdevapi\RowResult::getColumnNames() 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();

$colnames = $sql->getColumnNames();
  
print_r($colnames);

以上例程的输出类似于：

Array
(
    [0] => name
    [1] => age
)
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