"Sistemas C.M.P." <sistemascmp@redynet4.com.ar> writes:
> I have a query that use the IsDate(string) function (Ms function). =
> This function return true if the argument (string) is a valid date.
> I need to implement this function in postgreSQL=20
In PG 8.0 and up this is trivial --- try to cast the string to date and
see if you get an error or not. Use the BEGIN ... EXCEPTION syntax
to catch the error and return false.
regards, tom lane