"murphy pope" <[EMAIL PROTECTED]> writes:
> Did I get (most or any of) this right?
Mostly. A couple of comments: HeapTupleSatisfies can do scankey testing
(that is, see whether columns satisfy "col op constant" conditions) in
addition to the time-qual checking you are thinking about. Also, the
t
In backend/access/heap/heapam.c, there are two functions that I've been
looking at.
The first is heapgettup() and the other is heap_fetch().
I'm guessing that one (heapgettup()) is used for sequential scans and the
other (heap_fetch()) is used to retreive a tuple based on an index entry.
Is t