On Sat, 2007-10-13 at 11:12 +0530, Gokulakannan Somasundaram wrote: > b) But i don't understand how storing the visibility info in TOAST > table would help you. In that case you may need to update it for every > delete/ update happening in the main table. Only thing, it would help > is if someone wants to do a full table scan on TOAST table alone. May > be Vacuum of TOAST tables can be done independently. But do you think > it is worth the loss of performance in Update/Delete?
No -- Simon Riggs 2ndQuadrant http://www.2ndQuadrant.com ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match
