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F_LASTDAYLASTWEEK

function from adhoc

Entrypoint lastdaylastweek compatible with UTF-8

Inputs/Outputs

   Input      TIMESTAMP     date optionally time
   Output     TIMESTAMP     date of last day of last week (US)weekday (Saturday) as date with time 00:00:00

Syntax

   TestSQL
   SELECT '02.05.2009' AS ISCORRECT, F_LASTDAYLASTWEEK('08.05.2009 15:00:00') FROM RDB$DATABASE;
   SELECT '27.12.2008' AS ISCORRECT, F_LASTDAYLASTWEEK('02.01.2009 15:00:00') FROM RDB$DATABASE;