Serialize concurrent datasource publications

2026-08-04 12:48:37 +02:00
parent 067c8273b6
commit 4053543816
5 changed files with 117 additions and 4 deletions
@@ -24,7 +24,10 @@ declared pushdown support. Live previews preserve the provider's effective row,
 serialized-byte, and elapsed-time limits and its redacted diagnostics.
 Producer modules can append a bounded tabular result or create a new static
 datasource through an idempotent capability. The publication ledger retains the
-producer run, output materialization, provenance, and replay identity.
+producer run, output materialization, provenance, and replay identity. On
+PostgreSQL, a transaction-scoped advisory lock serializes each tenant, producer,
+and idempotency identity before any output side effect, so retries from multiple
+application or worker nodes resolve to one durable publication.

 Tabular staging also evaluates governed quality rules and classifies schema
 changes before promotion. Blocking stages remain inspectable, and successful