shishengliang/lingniu-vehicle-ingest
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fix(go): preserve sparse realtime location fields

Browse Source
This commit is contained in:
lingniu
2026-07-03 10:56:38 +08:00
parent 9c212815ef
commit 0fa5343ab3
2 changed files with 24 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
go/vehicle-gateway/internal/realtime/snapshot_writer.go
View File

@@ -468,13 +468,13 @@ ON DUPLICATE KEY UPDATE
event_time = IF(VALUES(event_time) IS NOT NULL AND (vehicle_realtime_location.event_time IS NULL OR VALUES(event_time) >= vehicle_realtime_location.event_time), VALUES(event_time), event_time),
latitude = IF(VALUES(event_time) IS NOT NULL AND (vehicle_realtime_location.event_time IS NULL OR VALUES(event_time) >= vehicle_realtime_location.event_time), VALUES(latitude), latitude),
longitude = IF(VALUES(event_time) IS NOT NULL AND (vehicle_realtime_location.event_time IS NULL OR VALUES(event_time) >= vehicle_realtime_location.event_time), VALUES(longitude), longitude),
speed_kmh = IF(VALUES(event_time) IS NOT NULL AND (vehicle_realtime_location.event_time IS NULL OR VALUES(event_time) >= vehicle_realtime_location.event_time), VALUES(speed_kmh), speed_kmh),
total_mileage_km = IF(VALUES(event_time) IS NOT NULL AND (vehicle_realtime_location.event_time IS NULL OR VALUES(event_time) >= vehicle_realtime_location.event_time), VALUES(total_mileage_km), total_mileage_km),
soc_percent = IF(VALUES(event_time) IS NOT NULL AND (vehicle_realtime_location.event_time IS NULL OR VALUES(event_time) >= vehicle_realtime_location.event_time), VALUES(soc_percent), soc_percent),
altitude_m = IF(VALUES(event_time) IS NOT NULL AND (vehicle_realtime_location.event_time IS NULL OR VALUES(event_time) >= vehicle_realtime_location.event_time), VALUES(altitude_m), altitude_m),
direction_deg = IF(VALUES(event_time) IS NOT NULL AND (vehicle_realtime_location.event_time IS NULL OR VALUES(event_time) >= vehicle_realtime_location.event_time), VALUES(direction_deg), direction_deg),
alarm_flag = IF(VALUES(event_time) IS NOT NULL AND (vehicle_realtime_location.event_time IS NULL OR VALUES(event_time) >= vehicle_realtime_location.event_time), VALUES(alarm_flag), alarm_flag),
status_flag = IF(VALUES(event_time) IS NOT NULL AND (vehicle_realtime_location.event_time IS NULL OR VALUES(event_time) >= vehicle_realtime_location.event_time), VALUES(status_flag), status_flag),
speed_kmh = IF(VALUES(event_time) IS NOT NULL AND (vehicle_realtime_location.event_time IS NULL OR VALUES(event_time) >= vehicle_realtime_location.event_time), COALESCE(VALUES(speed_kmh), speed_kmh), speed_kmh),
total_mileage_km = IF(VALUES(event_time) IS NOT NULL AND (vehicle_realtime_location.event_time IS NULL OR VALUES(event_time) >= vehicle_realtime_location.event_time), COALESCE(VALUES(total_mileage_km), total_mileage_km), total_mileage_km),
soc_percent = IF(VALUES(event_time) IS NOT NULL AND (vehicle_realtime_location.event_time IS NULL OR VALUES(event_time) >= vehicle_realtime_location.event_time), COALESCE(VALUES(soc_percent), soc_percent), soc_percent),
altitude_m = IF(VALUES(event_time) IS NOT NULL AND (vehicle_realtime_location.event_time IS NULL OR VALUES(event_time) >= vehicle_realtime_location.event_time), COALESCE(VALUES(altitude_m), altitude_m), altitude_m),
direction_deg = IF(VALUES(event_time) IS NOT NULL AND (vehicle_realtime_location.event_time IS NULL OR VALUES(event_time) >= vehicle_realtime_location.event_time), COALESCE(VALUES(direction_deg), direction_deg), direction_deg),
alarm_flag = IF(VALUES(event_time) IS NOT NULL AND (vehicle_realtime_location.event_time IS NULL OR VALUES(event_time) >= vehicle_realtime_location.event_time), COALESCE(VALUES(alarm_flag), alarm_flag), alarm_flag),
status_flag = IF(VALUES(event_time) IS NOT NULL AND (vehicle_realtime_location.event_time IS NULL OR VALUES(event_time) >= vehicle_realtime_location.event_time), COALESCE(VALUES(status_flag), status_flag), status_flag),
received_at = IF(VALUES(event_time) IS NOT NULL AND (vehicle_realtime_location.event_time IS NULL OR VALUES(event_time) >= vehicle_realtime_location.event_time), VALUES(received_at), received_at),
event_id = IF(VALUES(event_time) IS NOT NULL AND (vehicle_realtime_location.event_time IS NULL OR VALUES(event_time) >= vehicle_realtime_location.event_time), VALUES(event_id), event_id),
updated_at = IF(VALUES(event_time) IS NOT NULL AND (vehicle_realtime_location.event_time IS NULL OR VALUES(event_time) >= vehicle_realtime_location.event_time), CURRENT_TIMESTAMP, updated_at)

17
go/vehicle-gateway/internal/realtime/snapshot_writer_test.go
View File

@@ -223,6 +223,23 @@ func TestRealtimeUpsertsDoNotOverwriteWithOlderEventTime(t *testing.T) {
}
}
func TestRealtimeLocationUpsertKeepsExistingSparseFieldsWhenMQTTOnlySendsCoordinates(t *testing.T) {
for _, column := range []string{
"speed_kmh",
"total_mileage_km",
"soc_percent",
"altitude_m",
"direction_deg",
"alarm_flag",
"status_flag",
} {
want := column + " = IF(VALUES(event_time) IS NOT NULL AND (vehicle_realtime_location.event_time IS NULL OR VALUES(event_time) >= vehicle_realtime_location.event_time), COALESCE(VALUES(" + column + "), " + column + "), " + column + ")"
if !strings.Contains(upsertRealtimeLocationSQL, want) {
t.Fatalf("location upsert should keep existing %s when incoming sparse MQTT frame omits it; missing:\n%s\nin:\n%s", column, want, upsertRealtimeLocationSQL)
}
}
}
func TestSnapshotWriterBackfillsPlateFromBindingByVIN(t *testing.T) {
exec := &recordingSnapshotExec{}
resolver := &recordingPlateResolver{plate: "沪A12345"}