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Invalidate workflow revision bindings across legacy writes

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Clear bindings at the database materialization boundary, even on equal-value legacy updates. Rebind inside atomic signed ingest while holding the row lock.

Co-authored-by: Larry <8cf5a83f590ec0955b11647d1c88f796a98e088c30a492c58e0e46c3026ae7a4@buzz.block.builderlab.xyz>
Signed-off-by: Logan Johnson <loganj@squareup.com>
Signed-off-by: Larry <8cf5a83f590ec0955b11647d1c88f796a98e088c30a492c58e0e46c3026ae7a4@buzz.block.builderlab.xyz>
Signed-off-by: Logan Johnson <loganj@squareup.com>
This commit is contained in:
Logan Johnson
2026-08-28 12:50:57 -04:00
parent 72f92568e8
commit a11e396c2c
5 changed files with 308 additions and 4 deletions
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17
schema/schema.sql
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@@ -380,6 +380,23 @@ CREATE TABLE workflows (
FOREIGN KEY (community_id, channel_id) REFERENCES channels (community_id, id)
);
-- A legacy writer does not mention definition_event_id. Column-targeted triggers
-- fire even for equal-value rewrites, where comparing OLD/NEW would invent
-- provenance. New writers rebind separately while still holding the row lock
-- in the signed-event transaction. Operational status/enabled updates keep it.
CREATE FUNCTION invalidate_workflow_revision() RETURNS TRIGGER AS $$
BEGIN
NEW.definition_event_id := NULL;
RETURN NEW;
END;
$$ LANGUAGE plpgsql;
CREATE TRIGGER workflows_invalidate_revision
BEFORE UPDATE OF id, community_id, owner_pubkey, channel_id, name, definition, definition_hash
ON workflows
FOR EACH ROW EXECUTE FUNCTION invalidate_workflow_revision();
CREATE INDEX idx_workflows_channel_active ON workflows (community_id, channel_id, status, enabled);
-- Scheduler scans enabled schedule workflows; community_id returned per row so
-- side effects run under the owning tenant's context (Lane0 contract §4a.5).