Alexander Lakhin <exclusion(at)gmail(dot)com> writes:
> After this change the following query triggers an assert:
> CREATE TABLE tt (tid integer PRIMARY KEY) PARTITION BY LIST (tid);
> CREATE TABLE ttp PARTITION OF tt DEFAULT;
> CREATE TABLE st (sid integer);
> MERGE INTO tt USING st ON tt.tid = st.sid WHEN NOT MATCHED THEN INSERT
> VALUES (st.sid);
Hmph. Yeah, I think that's just wrong: the cases of found-a-baserel
and didn't-find-a-baserel should be treating MERGE-rejection identically.
This is probably broken even before e9a20e451.
Thanks for the report!
regards, tom lane