Use the COUNT keyword to determine how many items are described in the system-descriptor area.
The following ESQL/C example shows how to use a GET DESCRIPTOR statement with a host variable to determine how many items are described in the system-descriptor area called desc1:
main() { EXEC SQL BEGIN DECLARE SECTION; int h_count; EXEC SQL END DECLARE SECTION; EXEC SQL allocate descriptor 'desc1' with max 20; /* This section of program would prepare a SELECT or INSERT * statement into the s_id statement id. */ EXEC SQL describe s_id using sql descriptor 'desc1'; EXEC SQL get descriptor 'desc1' :h_count = count; ... }Enterprise Edition Home | Express Edition Home | [ Top of Page | Previous Page | Next Page | Contents | Index ]