shishengliang/lingniu-vehicle-ingest
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fix(monitor): hold conflicting terminal coordinates

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lingniu
2026-07-16 11:16:22 +08:00
parent b9fcf476ec
commit 8487783564
4 changed files with 22 additions and 8 deletions
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4
vehicle-data-platform/apps/api/internal/platform/mysql_queries.go
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@@ -402,8 +402,8 @@ func buildVehicleRealtimeSQL(query url.Values) SQLQuery {
// Ordering only by updated_at makes the selected point flap whenever protocols
// report at different cadences. When every source is stale, recency remains the
// safest fallback so an old high-priority source cannot mask newer evidence.
orderExpr := `CASE WHEN l.updated_at >= DATE_SUB(NOW(), INTERVAL 2 MINUTE) THEN 0 ELSE 1 END ASC, ` +
`CASE WHEN l.updated_at >= DATE_SUB(NOW(), INTERVAL 2 MINUTE) THEN CASE l.protocol ` +
orderExpr := `CASE WHEN l.updated_at >= DATE_SUB(NOW(), INTERVAL 10 MINUTE) THEN 0 ELSE 1 END ASC, ` +
`CASE WHEN l.updated_at >= DATE_SUB(NOW(), INTERVAL 10 MINUTE) THEN CASE l.protocol ` +
`WHEN 'GB32960' THEN 10 WHEN 'YUTONG_MQTT' THEN 20 WHEN 'JT808' THEN 30 ELSE 100 END ELSE 100 END ASC, ` +
`l.updated_at DESC, l.protocol ASC`
return SQLQuery{

2
vehicle-data-platform/apps/api/internal/platform/query_builders_test.go
View File

@@ -209,7 +209,7 @@ func TestBuildVehicleRealtimeSQL(t *testing.T) {
t.Fatalf("SQL should keep vehicle-level stable pagination order: %s", built.Text)
}
for _, want := range []string{
"INTERVAL 2 MINUTE",
"INTERVAL 10 MINUTE",
"WHEN 'GB32960' THEN 10",
"WHEN 'YUTONG_MQTT' THEN 20",
"WHEN 'JT808' THEN 30",