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c1ef4e5cdb
Many places that mentioned only Gather should also mention Gather Merge, or should be phrased in a more neutral way. Be more clear about the fact that max_parallel_workers_per_gather affects the number of workers the planner may want to use. Fix a typo. Explain how Gather Merge works. Adjust wording around parallel scans to be a bit more clear. Adjust wording around parallel-restricted operations for the fact that uncorrelated subplans are no longer restricted. Patch by me, reviewed by Erik Rijkers Discussion: http://postgr.es/m/CA+TgmoZsTjgVGn=ei5ht-1qGFKy_m1VgB3d8+Rg304hz91N5ww@mail.gmail.com