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perf: skip raw freshness count scan

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lingniu
2026-07-02 09:30:15 +08:00
parent 42de422935
commit cbb6f3b741
4 changed files with 73 additions and 27 deletions
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37
go/vehicle-gateway/internal/history/query_test.go
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@@ -135,6 +135,43 @@ func TestRawFrameHandlerFiltersByVehicleKey(t *testing.T) {
}
}
func TestRawFrameHandlerCanSkipTotalCountForFreshnessProbe(t *testing.T) {
db, mock, err := sqlmock.New()
if err != nil {
t.Fatalf("sqlmock.New() error = %v", err)
}
defer db.Close()
mock.ExpectQuery("ORDER BY received_at DESC LIMIT 1 OFFSET 0").
WillReturnRows(sqlmock.NewRows([]string{
"ts", "frame_id", "event_id", "message_id", "event_time", "received_at", "raw_size_bytes",
"raw_hex", "raw_text", "parsed_json", "fields_json", "parse_status", "parse_error", "source_endpoint",
"protocol", "vehicle_key", "vin", "phone", "device_id",
}).AddRow(
"2026-07-02 01:26:48", "go_frame", "event-4", 0x0200, "2026-07-02 01:20:46", "2026-07-02 01:26:48",
63, "7E0200", "", `{"header":{"message_id":"0x0200"}}`, `{"speed_kmh":0}`,
"OK", "", "115.231.168.135:22170", "JT808", "JT808:013307811254", "", "013307811254", "",
))
handler := NewRawFrameHandler(NewRawFrameRepository(db, "lingniu_vehicle_ts"))
request := httptest.NewRequest(http.MethodGet, "/api/history/raw-frames?protocol=JT808&orderBy=receivedAt&includeTotal=false&limit=1", nil)
response := httptest.NewRecorder()
handler.ServeHTTP(response, request)
if response.Code != http.StatusOK {
t.Fatalf("status = %d body=%s", response.Code, response.Body.String())
}
body := response.Body.String()
for _, want := range []string{`"total":1`, `"received_at":"2026-07-02 01:26:48"`} {
if !strings.Contains(body, want) {
t.Fatalf("response missing %s: %s", want, body)
}
}
if err := mock.ExpectationsWereMet(); err != nil {
t.Fatalf("sql expectations: %v", err)
}
}
func TestRawFrameHandlerReturnsEmptyItemsArrayWhenNoRows(t *testing.T) {
db, mock, err := sqlmock.New()
if err != nil {