43 lines
1.4 KiB
PL/PgSQL
43 lines
1.4 KiB
PL/PgSQL
BEGIN;
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CREATE TABLE IF NOT EXISTS trade_in_estimates (
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id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
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-- Input snapshot
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address text NOT NULL,
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lat double precision,
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lon double precision,
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area_m2 numeric(8, 2) NOT NULL,
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rooms int NOT NULL,
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floor int NOT NULL,
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total_floors int NOT NULL,
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year_built int,
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house_type text,
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repair_state text,
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has_balcony boolean,
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-- Output
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median_price bigint NOT NULL,
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range_low bigint NOT NULL,
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range_high bigint NOT NULL,
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median_price_per_m2 int NOT NULL,
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confidence text NOT NULL CHECK (confidence IN ('low', 'medium', 'high')),
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n_analogs int NOT NULL DEFAULT 0,
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analogs jsonb NOT NULL DEFAULT '[]'::jsonb,
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actual_deals jsonb NOT NULL DEFAULT '[]'::jsonb,
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-- Metadata
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created_at timestamptz NOT NULL DEFAULT NOW(),
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expires_at timestamptz NOT NULL DEFAULT NOW() + interval '24 hours'
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);
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CREATE INDEX IF NOT EXISTS trade_in_estimates_created_idx
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ON trade_in_estimates (created_at DESC);
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CREATE INDEX IF NOT EXISTS trade_in_estimates_expires_idx
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ON trade_in_estimates (expires_at);
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COMMENT ON TABLE trade_in_estimates IS
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'#314 TradeIn MVP — стор estimates с input snapshot + aggregated output. TTL 24h.';
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COMMIT;
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