That's how something like `clock_timestamp()` can be supported. It returns the timestamp at time of execution, so it can change even within the same query if ca

That's how something like `clock_timestamp()` can be supported. It returns the timestamp at time of execution, so it can change even within the same query if called multiple times: https://www.postgresql.org/docs/current/functions-datetime.html#FUNCTIONS-DATETIME-CURRENT https://www.postgresql.org/docs/current/functions-datetime.h...