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F_LASTDAY

compatibility to GrUDF

Entrypoint lastday compatible with UTF-8

Inputs/Outputs

   Input      INTEGER     year
              INTEGER     month
   Output     INTEGER     last day in the month of a year

Syntax

   Counting starts with 1
   (nearly) identcall to F_DAYSOFMONTH, only swapped parameters
   TestSQL
   SELECT 29 AS ISCORRECT, F_LASTDAY(2004, 2) FROM RDB$DATABASE;
   SELECT NULL AS ISCORRECT, F_LASTDAY(NULL, NULL) FROM RDB$DATABASE;