On Tue, Aug 15, 2017 at 9:46 AM, Tom Lane <t...@sss.pgh.pa.us> wrote: > How big a deal do we think test coverage is? It looks like > ExecReScanGatherMerge is identical logic to ExecReScanGather, > which *is* covered according to coverage.postgresql.org, but > it wouldn't be too surprising if they diverge in future. > > I should think it wouldn't be that expensive to create a test > case, if you already have test cases that invoke GatherMerge. > Adding a right join against a VALUES clause with a small number of > entries, and a non-mergeable/hashable join clause, ought to do it.
I chatted with Amit about this -- he's planning to look into it. I assume we'll hear from him tomorrow about this, but for official status update purposes I'll set a next-update date of one week from today (August 23rd). -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (firstname.lastname@example.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers