RE: Embedded SQL - SQLC

Hello Phil,

Since no-one else has been able to properly assist you I decided to take a
look at this.  There are a number of things wrong with your code:

        1/ The SQL precompiler does not understand typedefs and that is
why the structure is flagged as unusable.  If you look closely at the SQL
compiler listing you'll see:

 Data Names                    Define    Reference
 hostDS                           ****     31

        the **** indicate the data name has NOT been defined.

        2/ You are attempting a multi-row fetch so you should tell the
compiler.  Specify FOR 10 ROWS on the FETCH since your structure has room
for 10 rows.

        3/ I also wouldn't use the word CURSOR for the cursor name since
CURSOR is an SQL reserved word.

        4/ Although not required, host variables should be defined within
BEGIN DECLARE and END DECLARE blocks to indicate they are used by SQL.

        5/ The example you show as being from the SQL Host Programming
manual, isn't as it is in the manual.  In my version the example on page
26 is a single record fetch and it does not use a typedef for the
structure.  The multi record fetch example is on page 30 and although
incomplete does show the "FOR n ROWS" clause and the use of a struct
rather than a typedef.  The example is incomplete so I have completed it
and altered it to work with your supplied EMPLOYEE file.

EXEC SQL BEGIN DECLARE SECTION;
_Packed struct {char first_initial;
                char middle_initial;
                _Packed struct {short lastname_len;
                                char lastname_data[15];
                               } lastname;
                double total_salary;
               } employee_rec[10];
 struct { short inds[4];
 } employee_inds[10];
EXEC SQL include SQLCA;
EXEC SQL END DECLARE SECTION;
int main() {
 EXEC SQL DECLARE C1 CURSOR FOR
 SELECT SUBSTR(FIRSTNAME,1,1), MIDINIT, LASTNAME,
 SALARY+BONUS+COMM
 FROM CORPDATA.EMPLOYEE;
 EXEC SQL OPEN C1;
 EXEC SQL FETCH C1 FOR 10 ROWS INTO :employee_rec:employee_inds;
}

Regards,
Simon Coulter.
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