feat(go): qualify tdengine history writes by database

go/vehicle-gateway/internal/history/writer_test.go

@@ -261,6 +261,30 @@ func TestWriterAppendsBatchRowsByChildTable(t *testing.T) {
 	}
 }
 
+func TestWriterWithDatabaseQualifiesTDengineTables(t *testing.T) {
+	exec := &recordingExec{}
+	writer := NewWriterWithDatabase(exec, "vehicle_ts")
+	env := sampleEnvelope()
+
+	if err := writer.AppendAll(context.Background(), env); err != nil {
+		t.Fatalf("AppendAll() error = %v", err)
+	}
+
+	for _, want := range []string{
+		"CREATE TABLE IF NOT EXISTS vehicle_ts.raw_",
+		"USING vehicle_ts.raw_frames",
+		"ALTER TABLE vehicle_ts.raw_",
+		"INSERT INTO vehicle_ts.raw_",
+		"CREATE TABLE IF NOT EXISTS vehicle_ts.loc_",
+		"USING vehicle_ts.vehicle_locations",
+		"INSERT INTO vehicle_ts.loc_",
+	} {
+		if !containsSQL(exec.calls, want) {
+			t.Fatalf("qualified sql missing %q, calls=%v", want, exec.calls)
+		}
+	}
+}
+
 func TestWriterAppendAllBatchSkipsEmptyBatch(t *testing.T) {
 	exec := &recordingExec{}
 	writer := NewWriter(exec)
@@ -338,6 +362,10 @@ func findSQL(calls []execCall, pattern string) string {
 	return ""
 }
 
+func containsSQL(calls []execCall, pattern string) bool {
+	return findSQL(calls, pattern) != ""
+}
+
 func between(value string, start string, end string) string {
 	startIndex := strings.Index(value, start)
 	if startIndex < 0 {