From 0d5443e392a0c330a92c4acc740079cc83d0fa44 Mon Sep 17 00:00:00 2001
From: George <the.illuzion@gmail.com>
Date: Sat, 21 Jul 2018 19:53:21 +0300
Subject: [PATCH] Add week granularity for Clickhouse (#5455)

---
 superset/db_engine_specs.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/superset/db_engine_specs.py b/superset/db_engine_specs.py
index 669a5056256..97b8095d714 100644
--- a/superset/db_engine_specs.py
+++ b/superset/db_engine_specs.py
@@ -1350,6 +1350,9 @@ class ClickHouseEngineSpec(BaseEngineSpec):
         Grain('day', _('day'),
               'toStartOfDay(toDateTime({col}))',
               'P1D'),
+        Grain('week', _('week'),
+              'toMonday(toDateTime({col}))',
+              'P1W'),
         Grain('month', _('month'),
               'toStartOfMonth(toDateTime({col}))',
               'P1M'),