On Tue, Sep 8, 2020 at 11:55 PM Jameson, Hunter 'James' <hunj...@amazon.com> wrote: > > Hi, I ran across a small (but annoying) bug in initializing parallel BTree > scans, which causes the parallel-scan state machine to get confused. > > > To reproduce, you need a query that: > > > > 1. Executes parallel BTree index scan; > > 2. Has an IN-list of size > 1; > > 3. Has an additional index filter that makes it impossible to satisfy the > > first IN-list condition. > > > > (We encountered such a query, and therefore the bug, on a production > instance.) > >
I think I can understand what you are pointing out here but it would be great if you can have a reproducible test case because that will make it apparent and we might want to include that in the regression tests if possible. -- With Regards, Amit Kapila.
