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cubrid_num_rows

(PECL CUBRID >= 8.3.0)

cubrid_num_rows — Get the number of rows in the result set


Описание

int cubrid_num_rows ( resource $result )

The cubrid_num_rows() function is used to get the number of rows from the query result. You can use it only when the query executed is a select statement. When you want to know such value for INSERT, UPDATE, or DELETE query, you have to use the cubrid_affected_rows() function.

Note: The cubrid_num_rows() function can only be used for synchronous query; it returns 0 when it is used for asynchronous query.


Список параметров

result -

Result.


Возвращаемые значения

Number of rows, when process is successful.

0 when the query was done in async mode.

-1, if SQL statement is not SELECT.


Примеры

Пример #1 cubrid_num_rows() example
$conn = cubrid_connect("localhost", 33000, "demodb");
$req = cubrid_execute($conn, "SELECT * FROM code");
$row_num = cubrid_num_rows($req);
$col_num = cubrid_num_cols($req);
printf("Row Num: %d\nColumn Num: %d\n", $row_num, $col_num);
cubrid_disconnect($conn);

Результат выполнения данного примера:


Row Num: 6
Column Num: 2

Смотрите также


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