Tom Lane wrote: > Amit Kapila <amit.kapil...@gmail.com> writes: > > Without setting max_parallel_degree, it works fine and generate the > > appropriate results. Here the issue seems to be that the code in > > grouping_planner doesn't apply the required PathTarget to Path below Gather > > Path due to which when we generate target list for scan plan, > > Yeah, fixed. I had assumed that the existing coding in create_gather_plan > was OK, because it looked like it was right for a non-projecting node. > But actually Gather can project (why though?), so it's not right.
This looks related: https://www.postgresql.org/message-id/CA%2BTgmoai9Ruhwk61110rY4cNAzoO6npsFEOaEKjM7Zz8i3evHg%40mail.gmail.com -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers