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| author | Robert Haas <rhaas@postgresql.org> | 2017-11-15 08:17:29 -0500 |
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| committer | Robert Haas <rhaas@postgresql.org> | 2017-11-15 08:23:18 -0500 |
| commit | e5253fdc4f5fe2f38aec47e08c6aee93f934183d (patch) | |
| tree | b32d139116adab712dea0cb4ac02a939ff4aebd6 /src/backend/executor/nodeModifyTable.c | |
| parent | 7518049980be1d90264addab003476ae105f70d4 (diff) | |
| download | postgresql-e5253fdc4f5fe2f38aec47e08c6aee93f934183d.tar.gz postgresql-e5253fdc4f5fe2f38aec47e08c6aee93f934183d.zip | |
Add parallel_leader_participation GUC.
Sometimes, for testing, it's useful to have the leader do nothing but
read tuples from workers; and it's possible that could work out better
even in production.
Thomas Munro, reviewed by Amit Kapila and by me. A few final tweaks
by me.
Discussion: http://postgr.es/m/CAEepm=2U++Lp3bNTv2Bv_kkr5NE2pOyHhxU=G0YTa4ZhSYhHiw@mail.gmail.com
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