CURRENT_TIMESTAMP.
- There is also the function timeofday(), which for historical
- reasons returns a text string rather than a timestamp value:
-
-SELECT timeofday();
-Result: Sat Feb 17 19:07:32.000126 2001 EST
-
-
-
It is important to know that
CURRENT_TIMESTAMP and related functions return
the intent is to allow a single transaction to have a consistent
notion of the current
time, so that multiple
modifications within the same transaction bear the same
- time stamp. timeofday()
- returns the wall-clock time and does advance during transactions.
+ time stamp.
+ There is also the function timeofday() which
+ returns the wall-clock time and advances during transactions. For
+ historical reasons timeofday() returns a
+ text string rather than a timestamp
+ value:
+
+SELECT timeofday();
+Result: Sat Feb 17 19:07:32.000126 2001 EST
+
+
+
All the date/time data types also accept the special literal value
now to specify the current date and time. Thus,