Parallel Aggregates for string_agg and array_agg

    Attachment (combinefn_for_string_and_array_aggs_v11.patch) at 2022-08-02 23:45:31 from David Rowley <dgrowleyml at gmail.com> (Patch: Yes)
    Attachment (combinefn_for_string_and_array_aggs_v10.patch) at 2018-03-31 14:42:12 from David Rowley <david.rowley at 2ndquadrant.com> (Patch: Yes)
    Attachment (combinefn_for_string_and_array_aggs_v9.patch) at 2018-03-29 03:49:02 from David Rowley <david.rowley at 2ndquadrant.com> (Patch: Yes)
    Attachment (parallel_string_agg_array_agg_tests.patch) at 2018-03-28 15:36:42 from David Rowley <david.rowley at 2ndquadrant.com> (Patch: Yes)
    Attachment (no_parallel_agg_when_agg_args_dont_have_sendrecv.patch) at 2018-03-27 02:51:08 from David Rowley <david.rowley at 2ndquadrant.com> (Patch: Yes)
    Attachment (combinefn_for_string_and_array_aggs_v8.patch) at 2018-03-26 20:27:47 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
    Attachment (combinefn_for_string_and_array_aggs_v7.patch) at 2018-03-26 14:04:29 from David Rowley <david.rowley at 2ndquadrant.com> (Patch: Yes)
    Attachment (combinefn_for_string_and_array_aggs_v6.patch) at 2018-03-11 06:31:49 from David Rowley <david.rowley at 2ndquadrant.com> (Patch: Yes)
    Attachment (combinefn_for_string_and_array_aggs_v5.patch) at 2018-03-05 03:51:20 from David Rowley <david.rowley at 2ndquadrant.com> (Patch: Yes)
    Attachment (combinefn_for_string_and_array_aggs_v4.patch) at 2018-03-03 09:47:21 from David Rowley <david.rowley at 2ndquadrant.com> (Patch: Yes)
    Attachment (combinefn_for_string_and_array_aggs_v3_delta.patch) at 2018-03-02 00:48:00 from David Rowley <david.rowley at 2ndquadrant.com> (Patch: Yes)
    Attachment (combinefn_for_string_and_array_aggs_v2.patch) at 2018-03-01 21:27:42 from David Rowley <david.rowley at 2ndquadrant.com> (Patch: Yes)
    Attachment (combinefn_for_string_and_array_aggs_v1.patch) at 2017-12-17 14:30:55 from David Rowley <david.rowley at 2ndquadrant.com> (Patch: Yes)