Files
Jinwoo-H 995a03d705 fix(relay): skip boot-time DDL when the catalog already has the object
CREATE INDEX IF NOT EXISTS and ALTER TABLE ADD COLUMN IF NOT EXISTS take
their relation lock before the server evaluates the existence test, so a
boot on an already-migrated database still joins the lock queue. Relation
locks are granted in queue order, so every writer queues behind it.

The shared runner now asks pg_catalog whether the index or column is
already there and skips the statement when a row comes back, and 55P03
is no longer retried by default: with the pre-check ahead of it, a lock
timeout means the object is genuinely missing and each retry re-enters
the queue. Push keeps the old retry behind an explicit option.
2026-09-17 00:03:10 -04:00
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