From 53fe4d3eae75cabfb635eae5ae9197efa0bf86c3 Mon Sep 17 00:00:00 2001
From: Avital Fine <79420960+AvitalFineRedis@users.noreply.github.com>
Date: Thu, 29 Jul 2021 16:41:46 +0300
Subject: Zrangestore (#1521)

---
 redis/client.py        |  9 +++++++++
 tests/test_commands.py | 10 ++++++++++
 2 files changed, 19 insertions(+)

diff --git a/redis/client.py b/redis/client.py
index ea36ef0..33b0374 100755
--- a/redis/client.py
+++ b/redis/client.py
@@ -3056,6 +3056,15 @@ class Redis:
         }
         return self.execute_command(*pieces, **options)
 
+    def zrangestore(self, dest, name, start, end):
+        """
+        Stores in ``dest`` the result of a range of values from sorted set
+        ``name`` between ``start`` and ``end`` sorted in ascending order.
+
+        ``start`` and ``end`` can be negative, indicating the end of the range.
+        """
+        return self.execute_command('ZRANGESTORE', dest, name, start, end)
+
     def zrangebylex(self, name, min, max, start=None, num=None):
         """
         Return the lexicographical range of values from sorted set ``name``
diff --git a/tests/test_commands.py b/tests/test_commands.py
index 62394a4..8411e5e 100644
--- a/tests/test_commands.py
+++ b/tests/test_commands.py
@@ -1605,6 +1605,16 @@ class TestRedisCommands:
         assert r.zrange('a', 0, 1, withscores=True, score_cast_func=int) == \
             [(b'a1', 1), (b'a2', 2)]
 
+    @skip_if_server_version_lt('6.2.0')
+    def test_zrangestore(self, r):
+        r.zadd('a', {'a1': 1, 'a2': 2, 'a3': 3})
+        assert r.zrangestore('b', 'a', 0, 1)
+        assert r.zrange('b', 0, -1) == [b'a1', b'a2']
+        assert r.zrangestore('b', 'a', 1, 2)
+        assert r.zrange('b', 0, -1) == [b'a2', b'a3']
+        assert r.zrange('b', 0, -1, withscores=True) == \
+               [(b'a2', 2), (b'a3', 3)]
+
     @skip_if_server_version_lt('2.8.9')
     def test_zrangebylex(self, r):
         r.zadd('a', {'a': 0, 'b': 0, 'c': 0, 'd': 0, 'e': 0, 'f': 0, 'g': 0})
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