H-60: harden Captain migration rollback and concurrency (#10)

Co-authored-by: Rogee <rogee@ipao.vip>
2026-08-13 17:13:17 +08:00
parent 0540ae3791
commit fcfe5bd37c
4 changed files with 153 additions and 9 deletions
@@ -1,5 +1,12 @@
 ALTER TABLE agent_bots ADD COLUMN IF NOT EXISTS captain_assistant_id BIGINT;

+-- This data repair and its unique indexes must see a stable snapshot. These
+-- locks block concurrent writes while allowing reads, so run this migration
+-- in a maintenance window sized for the deduplication.
+LOCK TABLE agent_bots, agent_bot_inboxes, captain_inboxes, conversations,
+  agent_bot_presence_events, bot_rules, bot_trigger_configs
+  IN SHARE ROW EXCLUSIVE MODE;
+
 UPDATE agent_bots
 SET captain_assistant_id = (config ->> 'assistant_id')::BIGINT
 WHERE bot_type = 'captain'