On Oct 28, 2016, at 14:15 , Guyren Howe <
guyren@gmail.com> wrote:
On Oct 28, 2016, at 13:50 , David G. Johnston <david.g.johnston@gmail.com> wrote:
On its face the statement "DISTINCT ON removes results" is not at all surprising given its definition.
What is surprising is that it removes *all* results…
The inner query on its own appears to produce the same results, but the left join with it in either case produces different results.