mysql_stmt_field_count - mariadb-corporation/mariadb-connector-c GitHub Wiki

mysql_stmt_field_count - Returns the number of fields in a result set

#include <mysql.h>

unsigned int mysql_stmt_field_count(MYSQL_STMT * stmt);

Returns the number of fields in a result set of a prepared statement.

Number of fields or zero if the prepared statement has no result set.

• stmt - a statement handle, which was previously allocated by mysql_stmt_init().

• The number of fields will be available after calling mysql_stmt_prepare()
• mysql_stmt_field_count() returns zero for statements which don't produce a result set.

• mysql_stmt_prepare()
• mysql_stmt_param_count()