think I need to fix upstream to not erase scale parameter

flow/e2e/clickhouse/clickhouse.go

@@ -130,23 +130,24 @@ func rawToBigInt(v []byte, signed bool) *big.Int {
 func decimalRow(col chproto.ColResult, i int) decimal.Decimal {
 	typ := string(col.Type())
 	lparam := strings.LastIndex(typ, "(")
-	if lparam == -1 {
-		panic("no ( in " + typ)
-	}
-	params := typ[lparam+1:]
-	rparam := strings.Index(params, ")")
-	if rparam == -1 {
-		panic("no ) in params " + params + " of " + typ)
-	}
-	params = typ[:rparam]
-	_, scaleStr, ok := strings.Cut(params, ",")
-	if !ok {
-		panic("no , in params " + params + " of " + typ)
-	}
-	scaleStr = strings.TrimSpace(scaleStr)
-	scale, err := strconv.Atoi(scaleStr)
-	if err != nil {
-		panic("failed to parse scale " + scaleStr + ": " + err.Error())
+	scale := 0
+	if lparam != -1 {
+		params := typ[lparam+1:]
+		rparam := strings.Index(params, ")")
+		if rparam == -1 {
+			panic("no ) in params " + params + " of " + typ)
+		}
+		params = typ[:rparam]
+		_, scaleStr, ok := strings.Cut(params, ",")
+		if !ok {
+			panic("no , in params " + params + " of " + typ)
+		}
+		scaleStr = strings.TrimSpace(scaleStr)
+		var err error
+		scale, err = strconv.Atoi(scaleStr)
+		if err != nil {
+			panic("failed to parse scale " + scaleStr + ": " + err.Error())
+		}
 	}
 
 	var value decimal.Decimal