mixandClaude Opus 5.5
3c63ecc1ad
test / test (push) Canceled after 0s
D-S3. A deferred BEGIN starts nothing until the first access (SQLite, lang_transaction.html § 2.2), and migrate() read user_version outside the transaction: after an upgrade the panel and dmarc-ingest, opening the file at once, could both read the old version, both begin, and the second applied the next migration again on the migrated file - "already exists", that Open failing (nothing damaged: its transaction rolled back). The DSN now has _txlock=immediate (modernc.org/sqlite v1.60.1, sqlite.go applyQueryParams() sets beginMode, tx.go newTx() issues "begin immediate" for any transaction not read-only), so a migration holds the write lock from its BEGIN, and migrate() reads user_version again inside it and skips one another process applied meanwhile. Test TestTwoOpensMigrateOnce: a raw connection holds BEGIN IMMEDIATE on a new file while two Opens read version 0 and queue on their first BEGIN; released, both succeed and user_version is the number of migrations. Without the fix it fails as the register said: "apply migration 0001_init.sql: SQL logic error: table settings already exists (1)". Stand (2026-10-15): go vet and go test ./... pass on the server (24 packages); make e2e exit 0. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>