27.7.10.13 mysql_stmt_field_count()
unsigned int mysql_stmt_field_count(MYSQL_STMT *stmt)
Returns the number of columns for the most recent statement for the statement handler. This value is zero for statements such as INSERT
or DELETE
that do not produce result sets.
mysql_stmt_field_count()
can be called after you have prepared a statement by invoking mysql_stmt_prepare()
.