Koichi Suzuki <[EMAIL PROTECTED]> writes: > I need to know where such "lock marks" are stored in the source level.
A row lock is represented by storing the locking transaction's ID in xmax and setting the HEAP_MARKED_FOR_UPDATE infomask bit. The bit is needed to distinguish this from the case where the transaction is deleting the tuple. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faqs/FAQ.html