Ole Langbehn <[EMAIL PROTECTED]> writes: >> What do you think about the idea of an "UniqueSort" which would do >> sort+unique in one pass ?
> This is what oracle does and it is quite fast with it... Hashing is at least as fast, if not faster. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faqs/FAQ.html