mysql_fetch_lengths

Name

mysql_fetch_lengths - returns an array of length values for the current row

Synopsis

#include <mysql.h>

unsigned long * mysql_fetch_lengths(MYSQL_RES * result);

Description

The mysql_fetch_lengths() function returns an array containing the lengths of every column of the current row within the result set (not including terminating zero character) or NULL if an error occurred.

Parameter

• result - a result set identifier returned by mysql_store_result() or mysql_use_result().

Notes

mysql_fetch_lengths() is valid only for the current row of the result set. It returns NULL if you call it before calling mysql_fetch_row() or after retrieving all rows in the result.

Return value

An array of unsigned long values . The size of the array can be determined by the number of fields in current result set.

See also

• mysql_field_count()
• mysql_fetch_row()