fix cache lookup hazards in ff9618e

    Attachment (v9-0001-partial-revert-of-ff9618e82a.patch) at 2023-06-22 03:06:06 from Nathan Bossart <nathandbossart at gmail.com> (Patch: Yes)
    Attachment (v8-0001-partial-revert-of-ff9618e82a.patch) at 2023-06-21 17:16:24 from Nathan Bossart <nathandbossart at gmail.com> (Patch: Yes)
    Attachment (v7-0001-partial-revert-of-ff9618e82a.patch) at 2023-06-20 22:52:57 from Nathan Bossart <nathandbossart at gmail.com> (Patch: Yes)
    Attachment (v6-0001-convert-boolean-parameter-into-a-VACOPT_-option.patch) at 2023-06-20 17:56:34 from Nathan Bossart <nathandbossart at gmail.com> (Patch: Yes)
    Attachment (v5-0001-convert-boolean-parameter-into-a-VACOPT_-option.patch) at 2023-06-20 17:40:32 from Nathan Bossart <nathandbossart at gmail.com> (Patch: Yes)
    Attachment (v4-0001-convert-boolean-parameter-into-a-VACOPT_-option.patch) at 2023-06-19 21:55:34 from Nathan Bossart <nathandbossart at gmail.com> (Patch: Yes)
    Attachment (v3-0001-partial-revert-of-ff9618e82a.patch) at 2023-06-16 05:20:25 from Nathan Bossart <nathandbossart at gmail.com> (Patch: Yes)
    Attachment (v2-0001-partial-revert-of-ff9618e82a.patch) at 2023-06-15 23:57:00 from Nathan Bossart <nathandbossart at gmail.com> (Patch: Yes)
    Attachment (v1-0001-partial-revert-of-ff9618e82a.patch) at 2023-06-14 18:17:11 from Nathan Bossart <nathandbossart at gmail.com> (Patch: Yes)
    Attachment (v6-0001-fix-MAINTAIN-privs-for-partitions.patch) at 2023-01-13 23:13:39 from Nathan Bossart <nathandbossart at gmail.com> (Patch: Yes)
    Attachment (v5-0001-fix-MAINTAIN-privs-for-partitions.patch) at 2023-01-13 22:56:26 from Nathan Bossart <nathandbossart at gmail.com> (Patch: Yes)
    Attachment (v4-0001-fix-MAINTAIN-privs.patch) at 2023-01-09 22:51:57 from Nathan Bossart <nathandbossart at gmail.com> (Patch: Yes)
    Attachment (v3-0001-fix-maintain-privs.patch) at 2022-12-19 00:31:35 from Nathan Bossart <nathandbossart at gmail.com> (Patch: Yes)
    Attachment (v2-0001-fix-maintain-privs.patch) at 2022-12-18 23:30:18 from Nathan Bossart <nathandbossart at gmail.com> (Patch: Yes)
    Attachment (fix_partition_and_toast_privs.patch) at 2022-12-17 06:04:08 from Nathan Bossart <nathandbossart at gmail.com> (Patch: Yes)
    Attachment (add_cluster_skip_messages.patch) at 2022-12-16 01:19:26 from Nathan Bossart <nathandbossart at gmail.com> (Patch: Yes)
    Attachment (allow_vacuuming_toast.patch) at 2022-12-15 00:27:05 from Nathan Bossart <nathandbossart at gmail.com> (Patch: Yes)
    Attachment (v3-0001-add-grantable-MAINTAIN-privilege.patch) at 2022-12-12 21:01:36 from Nathan Bossart <nathandbossart at gmail.com> (Patch: Yes)
    Attachment (v2-0001-add-grantable-MAINTAIN-privilege.patch) at 2022-12-12 20:04:27 from Nathan Bossart <nathandbossart at gmail.com> (Patch: Yes)
    Attachment (v1-0001-add-grantable-privileges-for-cluster-refresh-matv.patch) at 2022-12-08 18:37:07 from Nathan Bossart <nathandbossart at gmail.com> (Patch: Yes)