fix: incorrect query when value is null

@@ -141,7 +141,11 @@ func (c Condition) SetWhere(params QueryOptions, q *gorm.DB) {
 	}
 	}
 	if len(c.In) > 0 {
 	if len(c.In) > 0 {
 		if c.Field.SQLType == domain.Float.ToString() {
 		if c.Field.SQLType == domain.Float.ToString() {
-			q.Where(fmt.Sprintf("%v in %v", c.CastType(c.Field.SQLName, domain.DECIMALV2.ToString()), c.InArgs(c.In)))
+			if hasEmpty(c.In) {
+				q.Where(fmt.Sprintf("((%v in %v) or (%v is null))", c.CastType(c.Field.SQLName, domain.DECIMALV2.ToString()), c.InArgs(c.In), c.Field.SQLName))
+			} else {
+				q.Where(fmt.Sprintf("%v in %v", c.CastType(c.Field.SQLName, domain.DECIMALV2.ToString()), c.InArgs(c.In)))
+			}
 		} else {
 		} else {
 			q.Where(fmt.Sprintf("%v in %v", c.CastType(c.FormatIfNull(params, c.Field), "string"), c.InArgs(c.In)))
 			q.Where(fmt.Sprintf("%v in %v", c.CastType(c.FormatIfNull(params, c.Field), "string"), c.InArgs(c.In)))
 		}
 		}
@@ -222,6 +226,15 @@ func formatFiled(f *domain.Field) string {
 	return f.SQLName
 	return f.SQLName
 }
 }
 
 
+func hasEmpty(in []interface{}) bool {
+	for _, arg := range in {
+		if v, ok := arg.(string); ok && len(v) == 0 {
+			return true
+		}
+	}
+	return false
+}
+
 func castType(sql, t string) string {
 func castType(sql, t string) string {
 	return fmt.Sprintf("cast(%v as %v)", sql, t)
 	return fmt.Sprintf("cast(%v as %v)", sql, t)
 }
 }