On Mar 10, 2005, at 4:15 PM, Sally Sally wrote:
Does postgres automatically keep track of when a row was last modified? Thanks
No. If you look on the SQL list in the past ten-20 minutes, there has been a discussion about this issue. Generally, you can use a trigger to update a timestamp when a row is touched.
Sean
---------------------------(end of broadcast)--------------------------- TIP 9: the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match
