Re: Ordered Partitioned Table Scans

Hi David,

On Tue, Apr 2, 2019 at 8:49 PM David Rowley
<david.rowley@2ndquadrant.com> wrote:
> I ended up rewording the entire thing and working on the header
> comment for the function too. I think previously it wasn't that well
> defined what "ordered" meant. I added a mention that we expect that
> NULLs, if possible must come in the last partition.

Thanks for the updated patch.

New descriptions look good, although was amused by this:

diff --git a/src/backend/partitioning/partbounds.c
b/src/backend/partitioning/partbounds.c
index bdd0d23854..9dd378d7a0 100644
--- a/src/backend/partitioning/partbounds.c
+++ b/src/backend/partitioning/partbounds.c
@@ -25,6 +25,7 @@
 #include "miscadmin.h"
 #include "nodes/makefuncs.h"
 #include "nodes/nodeFuncs.h"
+#include "nodes/pathnodes.h"
...
+partitions_are_ordered(struct RelOptInfo *partrel)

Maybe, "struct" is unnecessary?

Thanks,
Amit