New IndexAM API controlling index vacuum strategies

    Attachment (fix_proposal.patch) at 2021-04-07 07:50:17 from Masahiko Sawada <sawada.mshk at gmail.com> (Patch: Yes)
    Attachment (v11-0001-Truncate-line-pointer-array-during-VACUUM.patch) at 2021-04-07 03:16:27 from Peter Geoghegan <pg at bowt.ie> (Patch: Yes)
    Attachment (v10-0002-Refactor-lazy_scan_heap.patch) at 2021-04-04 01:59:57 from Peter Geoghegan <pg at bowt.ie> (Patch: Yes)
    Attachment (v9-0001-Simplify-state-managed-by-VACUUM.patch) at 2021-03-31 03:01:27 from Peter Geoghegan <pg at bowt.ie> (Patch: Yes)
    Attachment (v8-0001-Centralize-state-for-each-VACUUM.patch) at 2021-03-29 04:16:06 from Peter Geoghegan <pg at bowt.ie> (Patch: Yes)
    Attachment (v7-0004-Skip-index-vacuuming-in-some-cases.patch) at 2021-03-26 01:58:30 from Peter Geoghegan <pg at bowt.ie> (Patch: Yes)
    Attachment (v6-0003-Skip-index-vacuuming-dynamically.patch) at 2021-03-24 13:04:52 from Masahiko Sawada <sawada.mshk at gmail.com> (Patch: Yes)
    Attachment (v5-0001-Refactor-vacuumlazy.c.patch) at 2021-03-24 02:43:59 from Peter Geoghegan <pg at bowt.ie> (Patch: Yes)
    Attachment (v4-0001-Refactor-vacuumlazy.c.patch) at 2021-03-20 02:05:28 from Peter Geoghegan <pg at bowt.ie> (Patch: Yes)
    Attachment (v3-0003-Skip-index-vacuuming-when-there-is-a-risk-of-wrap.patch) at 2021-03-18 06:22:26 from Masahiko Sawada <sawada.mshk at gmail.com> (Patch: Yes)
    Attachment (v3-0002-Skip-index-vacuuming-dynamically.patch) at 2021-03-18 02:55:11 from Peter Geoghegan <pg at bowt.ie> (Patch: Yes)
    Attachment (poc_skip_index_cleanup_at_anti_wraparound.patch) at 2021-03-18 02:16:06 from Masahiko Sawada <sawada.mshk at gmail.com> (Patch: Yes)
    Attachment (v2-0001-Skip-index-vacuuming-dynamically.patch) at 2021-03-15 02:04:34 from Peter Geoghegan <pg at bowt.ie> (Patch: Yes)
    Attachment (skip_index_vacuum.patch) at 2021-02-22 06:27:48 from Masahiko Sawada <sawada.mshk at gmail.com> (Patch: Yes)
    Attachment (v4-0003-PoC-disable-index-cleanup-when-an-anti-wraparound.patch) at 2021-01-25 13:35:02 from Masahiko Sawada <sawada.mshk at gmail.com> (Patch: Yes)
    Attachment (v3-0002-Skip-btree-bulkdelete-if-the-index-doesn-t-grow.patch) at 2021-01-25 08:19:43 from Masahiko Sawada <sawada.mshk at gmail.com> (Patch: Yes)
    Attachment (patch_vacuum_logs.txt) at 2021-01-22 05:00:06 from Peter Geoghegan <pg at bowt.ie> (Patch: No)
    Attachment (v2-0003-PoC-skip-btree-bulkdelete-if-the-index-doesn-t-gr.patch) at 2021-01-18 06:20:26 from Masahiko Sawada <sawada.mshk at gmail.com> (Patch: Yes)
    Attachment (v2-0003-Skip-btree-bulkdelete-if-the-index-doesn-t-grow.patch) at 2021-01-18 05:18:16 from Masahiko Sawada <sawada.mshk at gmail.com> (Patch: Yes)
    Attachment (0001-Introduce-IndexAM-API-for-choosing-index-vacuum-stra.patch) at 2021-01-05 01:35:48 from Masahiko Sawada <sawada.mshk at gmail.com> (Patch: Yes)
    Attachment (lp_dead.png) at 2020-12-29 06:18:55 from Masahiko Sawada <sawada.mshk at gmail.com> (Patch: No)
    Attachment (0007-btvacuumstrategy-bottom-up-index-deletion-changes.patch) at 2020-12-28 22:06:40 from Peter Geoghegan <pg at bowt.ie> (Patch: Yes)
    Attachment (poc_vacuumstrategy.patch) at 2020-12-22 22:54:04 from Masahiko Sawada <sawada.mshk at gmail.com> (Patch: Yes)