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Top Forums Programming Problem with date comparision in Pro*C Post 302406924 by jim mcnamara on Wednesday 24th of March 2010 07:40:46 AM
Old 03-24-2010
use to_date('2010-01-03' , 'YYYY-MM-DD') and to_date('2009-01-03' , 'YYYY-MM-DD')

Best practice: always use an indicator variable and check sqlca
Code:
  EXEC SQL BEGIN DECLARE SECTION;
       int diff=0;
       short ind=0;
  EXEC SQL END DECLARE SECTION;
  EXEC SQL
    select whatever 
       into :diff :ind
    from mytable;
  if(sqlca.sqlcode < 0)
  {
        EXEC SQL ROLLBACK WORK RELEASE;
        fprintf(stderr, "Line: %d:  ORA-%05d\n", __LINE__, -1*sqlca.sqlcode);
        exit(1);
  }

I'm also surprised your code compiles with #include <sqlca.h> all of the oracle includes should be like this: #include "[some file].h"

Last edited by jim mcnamara; 03-24-2010 at 09:02 AM..
 

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END(7)								   SQL Commands 							    END(7)

NAME
END - commit the current transaction SYNOPSIS
END [ WORK | TRANSACTION ] DESCRIPTION
END commits the current transaction. All changes made by the transaction become visible to others and are guaranteed to be durable if a crash occurs. This command is a PostgreSQL extension that is equivalent to COMMIT [commit(7)]. PARAMETERS
WORK TRANSACTION Optional key words. They have no effect. NOTES
Use ROLLBACK [rollback(7)] to abort a transaction. Issuing END when not inside a transaction does no harm, but it will provoke a warning message. EXAMPLES
To commit the current transaction and make all changes permanent: END; COMPATIBILITY
END is a PostgreSQL extension that provides functionality equivalent to COMMIT [commit(7)], which is specified in the SQL standard. SEE ALSO
BEGIN [begin(7)], COMMIT [commit(7)], ROLLBACK [rollback(7)] SQL - Language Statements 2010-05-14 END(7)
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