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PHP. Руководство по PHP. 2005 (создание и продвижение сайта)
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PHP. Руководство по PHP. 2005

maxdb_stmt_affected_rows

Пред.

След.

maxdb_stmt_affected_rows

(PECL)maxdb_stmt_affected_rows

(no version information, might be only in CVS)maxdb_stmt->affected_rows -- Returns the total number of rows changed, deleted, or inserted by the last executed statement

Description

Procedural style :int maxdb_stmt_affected_rows (resource stmt)

Object oriented style (property):class stmt {

int affected_rows

}

maxdb_stmt_affected_rows() returns the number of rows affected by INSERT, UPDATE, or DELETE query. If the last query was invalid or the number of rows can not determined, this function will return -1.

Return Values

An integer greater than zero indicates the number of rows affected or retrieved. Zero indicates that no records where updated for an UPDATE/DELETE statement, no rows matched the WHERE clause in the query or that no query has yet been executed. -1 indicates that the query has returned an error or the number of rows can not determined.

See also

maxdb_stmt_num_rows(), maxdb_prepare()

Example

Пример 1. Object oriented style

<?

$maxdb = new maxdb("localhost", "MONA", "RED", "DEMODB");

/*check connection*/

if (maxdb_connect_errno()){

printf("Connect failed: %s\n", maxdb_connect_error());

exit();

}

/*create temp table*/

$maxdb->query("CREATE TABLE temp.mycity LIKE hotel.city");

$query = "INSERT INTO temp.mycity SELECT * FROM hotel.city WHERE state LIKE ?";

/*prepare statement*/

if ($stmt = $maxdb->prepare($query)){

/*Bind variable for placeholder*/

$code = 'N%';

$stmt->bind_param("s", $code);

/*execute statement*/

$stmt->execute();

printf("rows inserted: %d\n", $stmt->affected_rows);

/*close statement*/

$stmt->close();

}

/*close connection*/

$maxdb->close();

?>

Пример 2. Procedural style

<?

$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");

/*check connection*/

if (maxdb_connect_errno()){

printf("Connect failed: %s\n", maxdb_connect_error());

exit();

}

/*create temp table*/

maxdb_query($link, "CREATE TABLE temp.mycity LIKE hotel.city");

$query = "INSERT INTO temp.mycity SELECT * FROM hotel.city WHERE state LIKE ?";

/*prepare statement*/

if ($stmt = maxdb_prepare($link, $query)){

/*Bind variable for placeholder*/

$code = 'N%';

maxdb_stmt_bind_param($stmt, "s", $code);

/*execute statement*/

maxdb_stmt_execute($stmt);

printf("rows inserted: %d\n", maxdb_stmt_affected_rows($stmt));

/*close statement*/

maxdb_stmt_close($stmt);

}

/*close connection*/

maxdb_close($link);

?>

The above examples would produce the following output: 
rows inserted: 4

Пред.

Начало

След.

maxdb_stat

Уровень выше

maxdb_stmt_bind_param

Отвечу на любые вопросы. С уважением, Дмитрий Владимирович.

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