Files
lingniu-vehicle-ingest/go/vehicle-gateway/internal/stats/schema.go
2026-07-03 07:16:49 +08:00

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package stats
const DailyMileageTableSQL = `CREATE TABLE IF NOT EXISTS vehicle_daily_mileage (
vin VARCHAR(32) NOT NULL,
stat_date DATE NOT NULL,
protocol VARCHAR(32) NOT NULL,
daily_mileage_km DECIMAL(18,3) NOT NULL DEFAULT 0,
first_total_mileage_km DECIMAL(18,3) NULL,
latest_total_mileage_km DECIMAL(18,3) NULL,
sample_count BIGINT NOT NULL DEFAULT 0,
updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
PRIMARY KEY (vin, stat_date, protocol),
KEY idx_vin (vin),
KEY idx_stat_date (stat_date),
KEY idx_protocol_date (protocol, stat_date)
)`