"Markus Bertheau" <mbertheau.pg@xxxxxxxxxxxxxx> writes: > Does removing all locking as in the attached patch have any negative > impact other than the non-consistency of the results? Removing the LockBufHdr bit is definitely a pretty foolish idea. 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