26 lines
745 B
MySQL
26 lines
745 B
MySQL
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-- Versioned snapshots per region/permit/risk tuple.
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BEGIN;
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CREATE TABLE IF NOT EXISTS public.permit_risk_snapshots (
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snapshot_id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
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region_id uuid NOT NULL,
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permit_id uuid NOT NULL,
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risk_id uuid NOT NULL,
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permit_risk_key text NOT NULL,
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version integer NOT NULL,
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payload jsonb NOT NULL,
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edited_by text,
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change_summary text,
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created_at timestamptz NOT NULL DEFAULT now()
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);
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CREATE UNIQUE INDEX IF NOT EXISTS permit_risk_snapshots_region_permit_risk_version_idx
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ON public.permit_risk_snapshots (region_id, permit_id, risk_id, version);
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CREATE INDEX IF NOT EXISTS permit_risk_snapshots_key_idx
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ON public.permit_risk_snapshots (permit_risk_key);
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COMMIT;
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