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refactor(go): simplify daily mileage table key

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lingniu
2026-07-03 07:16:49 +08:00
parent e89c9fd98f
commit 04bafb4cd6
6 changed files with 24 additions and 19 deletions
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4
go/vehicle-gateway/internal/stats/schema.go
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@@ -1,7 +1,6 @@
package stats
const DailyMileageTableSQL = `CREATE TABLE IF NOT EXISTS vehicle_daily_mileage (
id BIGINT PRIMARY KEY AUTO_INCREMENT,
vin VARCHAR(32) NOT NULL,
stat_date DATE NOT NULL,
protocol VARCHAR(32) NOT NULL,
@@ -9,9 +8,8 @@ const DailyMileageTableSQL = `CREATE TABLE IF NOT EXISTS vehicle_daily_mileage (
first_total_mileage_km DECIMAL(18,3) NULL,
latest_total_mileage_km DECIMAL(18,3) NULL,
sample_count BIGINT NOT NULL DEFAULT 0,
created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
UNIQUE KEY uk_daily_mileage_vin (vin, stat_date, protocol),
PRIMARY KEY (vin, stat_date, protocol),
KEY idx_vin (vin),
KEY idx_stat_date (stat_date),
KEY idx_protocol_date (protocol, stat_date)