From 3fa18d32d991281cfdd98c405ac6fb18b0314f82 Mon Sep 17 00:00:00 2001
From: fanchi <rbelio@infinidat.com>
Date: Wed, 4 Jul 2018 18:32:08 +0300
Subject: [PATCH] Add method to check instance types of field and its inner
 fields

---
 src/infi/clickhouse_orm/fields.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/infi/clickhouse_orm/fields.py b/src/infi/clickhouse_orm/fields.py
index 8fd8a6e..8580bb8 100644
--- a/src/infi/clickhouse_orm/fields.py
+++ b/src/infi/clickhouse_orm/fields.py
@@ -79,6 +79,22 @@ class Field(object):
         else:
             return self.db_type
 
+    def isinstance(self, types):
+        """
+        Checks if the instance if one of the types provided or if any of the inner_field child is one of the types
+        provided, returns True if field or any inner_field is one of ths provided, False otherwise
+        :param types: Iterable of types to check inclusion of instance
+        :return: Boolean
+        """
+        if isinstance(self, types):
+            return True
+        inner_field = getattr(self, 'inner_field', None)
+        while inner_field:
+            if isinstance(inner_field, types):
+                return True
+            inner_field = getattr(self, 'inner_field', None)
+        return False
+
 
 class StringField(Field):