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refactor(go): simplify daily mileage storage

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lingniu
2026-07-02 20:01:03 +08:00
parent abc1b9870a
commit 593dc08870
7 changed files with 74 additions and 203 deletions
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11
go/vehicle-gateway/internal/stats/schema.go
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@@ -1,22 +1,19 @@
package stats
const DailyMetricTableSQL = `CREATE TABLE IF NOT EXISTS vehicle_daily_metric (
const DailyMileageTableSQL = `CREATE TABLE IF NOT EXISTS vehicle_daily_mileage (
id BIGINT PRIMARY KEY AUTO_INCREMENT,
vehicle_key VARCHAR(96) NOT NULL,
vin VARCHAR(32) NOT NULL DEFAULT '',
stat_date DATE NOT NULL,
protocol VARCHAR(32) NOT NULL,
metric_key VARCHAR(64) NOT NULL,
metric_value DECIMAL(18,3) NOT NULL,
metric_unit VARCHAR(16) 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,
calculation_method VARCHAR(64) NOT NULL,
created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
UNIQUE KEY uk_daily_metric_vehicle (vehicle_key, stat_date, protocol, metric_key),
UNIQUE KEY uk_daily_mileage_vehicle (vehicle_key, stat_date, protocol),
KEY idx_vin (vin),
KEY idx_stat_date (stat_date),
KEY idx_protocol_metric (protocol, metric_key)
KEY idx_protocol_date (protocol, stat_date)
)`