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buzz-db: drop the events_created_at_floor trigger (phase 2)

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Phase 2 of BUZZ-316. The insert-time application floor check (phase 1)
is now the only created_at floor guard, so drop the deferred constraint
trigger, its function, the writer-pool buzz.created_at_floor GUC, and the
startup catalog/behavior probes that required them.

Migration 0062 drops the trigger on events and every partition plus the
function, all IF EXISTS. Desired-state schema, pgschema reconciliation
and migration asserts drop the same objects. spawn_fence_probe becomes
synchronous; the ordered heartbeat probe still fails closed.

DESTRUCTIVE: deploy only after phase 1 runs on every writer, with no
rollback expected, out-of-band writers stopped, and the replica breaker
held closed through the drop until replay catches up.

Signed-off-by: Elrond <28d6302a099e5225b02c4155ac4236e4912603df2ab08dbfc2f4fef08ce598c8@buzz.block.builderlab.xyz>
This commit is contained in:
Elrond
2026-10-14 14:10:13 -04:00
parent 06a84e119d
commit b5fd799b9a
22 changed files with 313 additions and 915 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
scripts/reconcile-schema-after-pgschema.sql
View File

@@ -18,7 +18,6 @@ BEGIN
-- triggers while attaching and rejects same-named child triggers.
DROP TRIGGER IF EXISTS events_enqueue_push_match ON events_p_past;
DROP TRIGGER IF EXISTS events_refresh_channel_ttl ON events_p_past;
DROP TRIGGER IF EXISTS events_created_at_floor ON events_p_past;
DROP TRIGGER IF EXISTS community_write_fence_events ON events_p_past;
DROP TRIGGER IF EXISTS trg_events_guard_channel_roster_snapshot ON events_p_past;
ALTER TABLE events ATTACH PARTITION events_p_past
@@ -32,7 +31,6 @@ BEGIN
) THEN
DROP TRIGGER IF EXISTS events_enqueue_push_match ON events_p2026_01;
DROP TRIGGER IF EXISTS events_refresh_channel_ttl ON events_p2026_01;
DROP TRIGGER IF EXISTS events_created_at_floor ON events_p2026_01;
DROP TRIGGER IF EXISTS community_write_fence_events ON events_p2026_01;
DROP TRIGGER IF EXISTS trg_events_guard_channel_roster_snapshot ON events_p2026_01;
ALTER TABLE events ATTACH PARTITION events_p2026_01
@@ -46,7 +44,6 @@ BEGIN
) THEN
DROP TRIGGER IF EXISTS events_enqueue_push_match ON events_p2026_02;
DROP TRIGGER IF EXISTS events_refresh_channel_ttl ON events_p2026_02;
DROP TRIGGER IF EXISTS events_created_at_floor ON events_p2026_02;
DROP TRIGGER IF EXISTS community_write_fence_events ON events_p2026_02;
DROP TRIGGER IF EXISTS trg_events_guard_channel_roster_snapshot ON events_p2026_02;
ALTER TABLE events ATTACH PARTITION events_p2026_02
@@ -60,7 +57,6 @@ BEGIN
) THEN
DROP TRIGGER IF EXISTS events_enqueue_push_match ON events_p2026_03;
DROP TRIGGER IF EXISTS events_refresh_channel_ttl ON events_p2026_03;
DROP TRIGGER IF EXISTS events_created_at_floor ON events_p2026_03;
DROP TRIGGER IF EXISTS community_write_fence_events ON events_p2026_03;
DROP TRIGGER IF EXISTS trg_events_guard_channel_roster_snapshot ON events_p2026_03;
ALTER TABLE events ATTACH PARTITION events_p2026_03
@@ -74,7 +70,6 @@ BEGIN
) THEN
DROP TRIGGER IF EXISTS events_enqueue_push_match ON events_p2026_04;
DROP TRIGGER IF EXISTS events_refresh_channel_ttl ON events_p2026_04;
DROP TRIGGER IF EXISTS events_created_at_floor ON events_p2026_04;
DROP TRIGGER IF EXISTS community_write_fence_events ON events_p2026_04;
DROP TRIGGER IF EXISTS trg_events_guard_channel_roster_snapshot ON events_p2026_04;
ALTER TABLE events ATTACH PARTITION events_p2026_04
@@ -88,7 +83,6 @@ BEGIN
) THEN
DROP TRIGGER IF EXISTS events_enqueue_push_match ON events_p2026_05;
DROP TRIGGER IF EXISTS events_refresh_channel_ttl ON events_p2026_05;
DROP TRIGGER IF EXISTS events_created_at_floor ON events_p2026_05;
DROP TRIGGER IF EXISTS community_write_fence_events ON events_p2026_05;
DROP TRIGGER IF EXISTS trg_events_guard_channel_roster_snapshot ON events_p2026_05;
ALTER TABLE events ATTACH PARTITION events_p2026_05
@@ -102,7 +96,6 @@ BEGIN
) THEN
DROP TRIGGER IF EXISTS events_enqueue_push_match ON events_p2026_06;
DROP TRIGGER IF EXISTS events_refresh_channel_ttl ON events_p2026_06;
DROP TRIGGER IF EXISTS events_created_at_floor ON events_p2026_06;
DROP TRIGGER IF EXISTS community_write_fence_events ON events_p2026_06;
DROP TRIGGER IF EXISTS trg_events_guard_channel_roster_snapshot ON events_p2026_06;
ALTER TABLE events ATTACH PARTITION events_p2026_06
@@ -116,7 +109,6 @@ BEGIN
) THEN
DROP TRIGGER IF EXISTS events_enqueue_push_match ON events_p_future;
DROP TRIGGER IF EXISTS events_refresh_channel_ttl ON events_p_future;
DROP TRIGGER IF EXISTS events_created_at_floor ON events_p_future;
DROP TRIGGER IF EXISTS community_write_fence_events ON events_p_future;
DROP TRIGGER IF EXISTS trg_events_guard_channel_roster_snapshot ON events_p_future;
ALTER TABLE events ATTACH PARTITION events_p_future