Immediately exit a query if a condition is verified - response (11) by dnoeth

The numbering is based on whatever you want and 0001-01-01 was a monday.

SELECT CURRENT_DATE, (CURRENT_DATE - DATE '0001-01-01') MOD 7;

 *** Query completed. One row found. 2 columns returned.
 *** Total elapsed time was 1 second.

Current Date  ((Current Date-0001-01-01) MOD 7)
------------  ---------------------------------
  2013-07-25                                  3

Dieter