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mysql_fetch_lengths(3) MariaDB Connector/C mysql_fetch_lengths(3)
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(3) or
mysql_use_result(3). ### 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(3) or after retrieving all rows in
the result.
Return value
An array of unsigned long values . The size of the array can be deter-
mined by the number of fields in current result set.
See also
• mysql_field_count(3)
• mysql_fetch_row(3)
Version 3.4 mysql_fetch_lengths(3)
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