Jeff Amiel <[EMAIL PROTECTED]> writes: > I thought: > "Each transaction sees a snapshot (database version) as of its > starttime, no matter what other transactions are doing while it runs"
That's a correct statement in SERIALIZABLE mode, but in the default READ COMMITTED mode, it's more complicated --- a new snapshot is taken for each command within a transaction. See the docs. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly