GROUP BY optimization

    Attachment (0001-When-evaluating-a-query-with-a-multi-column-GROUP-BY-20230913.patch) at 2023-09-13 05:21:32 from Andrey Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (0001-When-evaluating-a-query-with-a-multi-column-GROUP-BY-20230720.patch) at 2023-07-20 06:37:24 from Andrey Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (fix_partitionwise_aggregate_test_master.patch) at 2022-08-18 01:32:14 from David Rowley <dgrowleyml at gmail.com> (Patch: Yes)
    Attachment (plans-14.log) at 2022-08-17 14:46:16 from Tomas Vondra <tomas.vondra at enterprisedb.com> (Patch: No)
    Attachment (0001-Optimize-order-of-GROUP-BY-keys-20220329.patch) at 2022-03-29 18:00:29 from Tomas Vondra <tomas.vondra at enterprisedb.com> (Patch: Yes)
    Attachment (0001-Optimize-order-of-GROUP-BY-keys-20220328.patch) at 2022-03-29 00:48:50 from Tomas Vondra <tomas.vondra at enterprisedb.com> (Patch: Yes)
    Attachment (0001-Optimize-order-of-GROUP-BY-keys-20220315.patch) at 2022-03-15 08:26:47 from Tomas Vondra <tomas.vondra at enterprisedb.com> (Patch: Yes)
    Attachment (0002-Use-default-restriction-for-number-of-groups.txt) at 2022-02-10 09:00:37 from "Andrey V. Lepikhov" <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (bounded_heap_sort_fix.txt) at 2022-02-01 09:48:11 from "Andrey V. Lepikhov" <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (v20220121-0001-GROUP-BY-reordering.patch) at 2022-01-21 20:34:43 from Tomas Vondra <tomas.vondra at enterprisedb.com> (Patch: Yes)
    Attachment (guard_tuplesPerPrevGroup.txt) at 2022-01-21 11:09:01 from Andrey Lepikhov <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (fixes.txt) at 2022-01-20 05:05:57 from "Andrey V. Lepikhov" <a.lepikhov at postgrespro.ru> (Patch: Yes)
    Attachment (group-by-reorder-20210722.patch) at 2021-07-21 22:58:44 from Tomas Vondra <tomas.vondra at enterprisedb.com> (Patch: Yes)
    Attachment (group-by-reorder-20210720.patch) at 2021-07-20 13:12:38 from Tomas Vondra <tomas.vondra at enterprisedb.com> (Patch: Yes)
    Attachment (0001-v12-20210309.patch) at 2021-03-09 23:05:55 from Tomas Vondra <tomas.vondra at enterprisedb.com> (Patch: Yes)
    Attachment (v12-0001-GROUP-BY-optimization-made-compatible-with-chang.patch) at 2021-03-05 11:37:30 from Ibrar Ahmed <ibrar.ahmad at gmail.com> (Patch: Yes)
    Attachment (v11-0001-GROUP-BY-optimization-made-compatible-with-chang.patch) at 2020-10-26 08:44:58 from Pavel Borisov <pashkin.elfe at gmail.com> (Patch: Yes)
    Attachment (wip-group-by-incremental-sort-v1.patch) at 2020-05-16 14:56:09 from Tomas Vondra <tomas.vondra at 2ndquadrant.com> (Patch: Yes)
    Attachment (v12-0001-Add-tests-for-group-by-optimization.patch) at 2019-05-03 20:28:21 from Dmitry Dolgov <9erthalion6 at gmail.com> (Patch: Yes)
    Attachment (v11-0001-Add-tests-for-group-by-optimization.patch) at 2019-04-04 15:11:09 from Dmitry Dolgov <9erthalion6 at gmail.com> (Patch: Yes)
    Attachment (0002-opt_group_by_index_and_order-v10.patch) at 2018-06-13 16:41:20 from Teodor Sigaev <teodor at sigaev.ru> (Patch: Yes)
    Attachment (0001-opt_group_by_index-v9.patch) at 2018-06-07 16:22:13 from Teodor Sigaev <teodor at sigaev.ru> (Patch: Yes)
    Attachment (0001-opt_group_by_index-v8.patch) at 2018-06-06 18:04:09 from Teodor Sigaev <teodor at sigaev.ru> (Patch: Yes)
    Attachment (0002-opt_group_by_index_and_order-v7.patch) at 2018-06-05 17:56:19 from Teodor Sigaev <teodor at sigaev.ru> (Patch: Yes)
    Attachment (opt_group_by-v6.patch) at 2018-05-30 16:17:42 from Teodor Sigaev <teodor at sigaev.ru> (Patch: Yes)
    Attachment (opt_group_by-v5.patch) at 2018-05-29 23:07:50 from Teodor Sigaev <teodor at sigaev.ru> (Patch: Yes)