On Tue, Oct 23, 2018 at 03:50:14PM +0200, Francisco Olarte wrote: > It'is not as the problem was stated. Although ts defaulted to now(), > and it is probably defaulted, nothing prohibits him from inserting > timestamps in the future. Yes, this table is only used as an example for the technical question. In my real use case there are columns like "due_date" which usually contain future dates inserted by application code. > the "timestamps in today" pattern is commonly used in calendaring > applications, which usually insert appointments in the future and > recover this way to print "todays schedule". Exactly. The application must be able to execute queries like "give me all my tasks due today" without having to use a concrete value for "today". Lutz