sqlsrv_rows_affected

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sqlsrv_rows_affected — Returns the number of rows modified by the last INSERT, UPDATE, or DELETE query executed

说明

sqlsrv_rows_affected(resource $stmt): int|false

Returns the number of rows modified by the last INSERT, UPDATE, or DELETE query executed. For information about the number of rows returned by a SELECT query, see sqlsrv_num_rows().

参数

stmt: The executed statement resource for which the number of affected rows is returned.

返回值

Returns the number of rows affected by the last INSERT, UPDATE, or DELETE query. If no rows were affected, 0 is returned. If the number of affected rows cannot be determined, -1 is returned. If an error occurred, false is returned.

范例

示例 #1 sqlsrv_rows_affected() example


<?php
$serverName = "serverName\sqlexpress";
$connectionInfo = array( "Database"=>"dbName", "UID"=>"username", "PWD"=>"password" );
$conn = sqlsrv_connect( $serverName, $connectionInfo);
if( $conn === false ) {
     die( print_r( sqlsrv_errors(), true));
}

$sql = "UPDATE Table_1 SET data = ? WHERE id = ?";

$params = array("updated data", 1);

$stmt = sqlsrv_query( $conn, $sql, $params);

$rows_affected = sqlsrv_rows_affected( $stmt);
if( $rows_affected === false) {
     die( print_r( sqlsrv_errors(), true));
} elseif( $rows_affected == -1) {
      echo "No information available.<br />";
} else {
      echo $rows_affected." rows were updated.<br />";
}
?>

参见

sqlsrv_num_rows() - Retrieves the number of rows in a result set

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官方地址：https://www.php.net/manual/en/function.sqlsrv-rows-affected.php

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sqlsrv_rows_affected

说明

参数

返回值

范例

参见

User Contributed Notes