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20 lines
999 B
SQL
20 lines
999 B
SQL
-- Durable event-to-push matching follower. The trigger runs in the event insert
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-- transaction, so every accepted persistent event has a crash-safe match job and
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-- rejected/rolled-back events never do. Processing is idempotent through the
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-- push_wake_outbox endpoint/event unique key.
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CREATE TABLE push_match_queue (
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community_id UUID NOT NULL REFERENCES communities(id),
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event_id BYTEA NOT NULL CHECK (length(event_id) = 32),
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state TEXT NOT NULL DEFAULT 'pending' CHECK (state IN ('pending','matching')),
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attempts INTEGER NOT NULL DEFAULT 0 CHECK (attempts >= 0),
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next_attempt_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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lease_until TIMESTAMPTZ,
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claim_id UUID,
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created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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PRIMARY KEY (community_id, event_id)
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);
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CREATE INDEX push_match_queue_due
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ON push_match_queue (next_attempt_at, created_at) WHERE state = 'pending';
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CREATE INDEX push_match_queue_recovery
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ON push_match_queue (lease_until) WHERE state = 'matching';
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