"Gokulakannan Somsundaram" <[EMAIL PROTECTED]> writes: > I propose to change this row-by-row approach, when it is a full table > update. I plan to send a extra flag(which will be set for Full table > Deletes/Updates). this would make the access method directly acquire the > exclusive lock and update the existing record.
This sounds like a recipe for utter destruction of what little modularity and layering we've got left. And I rather doubt it will buy anything interesting performance-wise. To cite just one concrete objection: surely the tuple-fetch code has got no business firing triggers. regards, tom lane ---------------------------(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