PHP. Руководство по PHP. 2005

mysqli_multi_query

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mysqli_multi_query

(PHP 5)mysqli_multi_query

(no version information, might be only in CVS)mysqli->multi_query -- Performs a query on the database

Description

Procedural style:bool mysqli_multi_query (mysqli link, string query)

Object oriented style (method):class mysqli {

bool multi_query (string query)

}

The mysqli_multi_query() executes one or multiple queries

which are concatenated by a semicolon.

To retrieve the resultset from the first query you can use

mysqli_use_result() or mysqli_store_result().

All subsequent query results can be processed using

mysqli_more_results() and mysqli_next_result().

Возвращаемые значения

mysqli_multi_query() only returns FALSE if the first statement failed.
To retrieve subsequent errors from other statements you have to call
mysqli_next_result() first.

Смотрите также

mysqli_use_result(),
mysqli_store_result(),
mysqli_next_result() и
mysqli_more_results().

Примеры

Пример 1. Object oriented style
<?php $mysqli = new mysqli("localhost", "my_user", "my_password", "world"); /* check connection */ if (mysqli_connect_errno()){ printf("Connect failed: %s\n", mysqli_connect_error()); exit(); } $query = "SELECT CURRENT_USER();"; $query .= "SELECT Name FROM City ORDER BY ID LIMIT 20, 5"; /* execute multi query */ if ($mysqli->multi_query($query)){ do { /* store first result set */ if ($result = $mysqli->store_result()){ while ($row = $result->fetch_row()){ printf("%s\n", $row[0]); } $result->close(); } /* print divider */ if ($mysqli->more_results()){ printf("-----------------\n"); } } while ($mysqli->next_result()); } /* close connection */ $mysqli->close(); ?>

Пример 2. Procedural style
<?php $link = mysqli_connect("localhost", "my_user", "my_password", "world"); /* check connection */ if (mysqli_connect_errno()){ printf("Connect failed: %s\n", mysqli_connect_error()); exit(); } $query = "SELECT CURRENT_USER();"; $query .= "SELECT Name FROM City ORDER BY ID LIMIT 20, 5"; /* execute multi query */ if (mysqli_multi_query($link, $query)){ do { /* store first result set */ if ($result = mysqli_store_result($link)){ while ($row = mysqli_fetch_row($result)){ printf("%s\n", $row[0]); } mysqli_free_result($result); } /* print divider */ if (mysqli_more_results($link)){ printf("-----------------\n"); } } while (mysqli_next_result($link)); } /* close connection */ mysqli_close($link); ?>

Результат выполнения данного примера:
my_user@localhost
-----------------
Amersfoort
Maastricht
Dordrecht
Leiden
Haarlemmermeer

Пред.
Начало
След.
mysqli_more_results
Уровень выше
mysqli_next_result

Отвечу на любые вопросы. С уважением, Дмитрий Владимирович.

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