Alvaro Herrera <[EMAIL PROTECTED]> writes: > 1. To examine a tuple one must first call LockTuple, which grabs a pin > and lock in the buffer. The buffer lock is released right away, but the > pin is kept.
Surely you don't mean that *every* access to a tuple now has to go through the lock manager :-(. Have you done any performance testing? regards, tom lane ---------------------------(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