diff options
Diffstat (limited to 'contrib/test_decoding/specs/oldest_xmin.spec')
| -rw-r--r-- | contrib/test_decoding/specs/oldest_xmin.spec | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/contrib/test_decoding/specs/oldest_xmin.spec b/contrib/test_decoding/specs/oldest_xmin.spec index 4f8af70aa26..324706785dc 100644 --- a/contrib/test_decoding/specs/oldest_xmin.spec +++ b/contrib/test_decoding/specs/oldest_xmin.spec @@ -22,7 +22,7 @@ step "s0_getxid" { SELECT txid_current() IS NULL; } step "s0_alter" { ALTER TYPE basket DROP ATTRIBUTE mangos; } step "s0_commit" { COMMIT; } step "s0_checkpoint" { CHECKPOINT; } -step "s0_vacuum" { VACUUM FULL; } +step "s0_vacuum" { VACUUM pg_attribute; } step "s0_get_changes" { SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1'); } session "s1" @@ -30,8 +30,11 @@ step "s1_begin" { BEGIN; } step "s1_insert" { INSERT INTO harvest VALUES ((1, 2, 3)); } step "s1_commit" { COMMIT; } -# Checkpoint with following get_changes forces to advance xmin. ALTER of a +# Checkpoint with following get_changes forces xmin advancement. We do +# get_changes twice because if one more xl_running_xacts record had slipped +# before our CHECKPOINT, xmin will be advanced only on this record, thus not +# reaching value needed for vacuuming corresponding pg_attribute entry. ALTER of # composite type is a rare form of DDL which allows T1 to see the tuple which # will be removed (xmax set) before T1 commits. That is, interlocking doesn't # forbid modifying catalog after someone read it (and didn't commit yet). -permutation "s0_begin" "s0_getxid" "s1_begin" "s1_insert" "s0_alter" "s0_commit" "s0_checkpoint" "s0_get_changes" "s1_commit" "s0_vacuum" "s0_get_changes" +permutation "s0_begin" "s0_getxid" "s1_begin" "s1_insert" "s0_alter" "s0_commit" "s0_checkpoint" "s0_get_changes" "s0_get_changes" "s1_commit" "s0_vacuum" "s0_get_changes" |