Replace usage of Keys with ScanAllKeys()

Author: mythz

src/ServiceStack.Redis/RedisClient.cs

@@ -412,8 +412,8 @@ public IRedisPipeline CreatePipeline()
 
         public List<string> SearchKeys(string pattern)
         {
-            var multiDataList = Keys(pattern);
-            return multiDataList.ToStringList();
+            var multiDataList = ScanAllKeys(pattern);
+            return multiDataList.ToList();
         }
 
         public List<string> GetValues(List<string> keys)
@@ -961,7 +961,7 @@ public string LoadLuaScript(string body)
 
         public void RemoveByPattern(string pattern)
         {
-            var keys = Keys(pattern).ToStringArray();
+            var keys = ScanAllKeys(pattern).ToArray();
             if (keys.Length > 0)
                 Del(keys);
         }

src/ServiceStack.Redis/RedisClientManagerCacheClient.cs

@@ -181,8 +181,7 @@ public void RemoveByPattern(string pattern)
         {
             using (var client = GetClient())
             {
-                var redisClient = client as IRemoveByPattern;
-                if (redisClient != null)
+                if (client is IRemoveByPattern redisClient)
                 {
                     redisClient.RemoveByPattern(pattern);
                 }
@@ -193,8 +192,7 @@ public void RemoveByRegex(string pattern)
         {
             using (var client = GetClient())
             {
-                var redisClient = client as IRemoveByPattern;
-                if (redisClient != null)
+                if (client is IRemoveByPattern redisClient)
                 {
                     redisClient.RemoveByRegex(pattern);
                 }
@@ -205,8 +203,7 @@ public void RemoveByRegex(string pattern)
         {
             using (var client = GetClient())
             {
-                var redisClient = client as ICacheClientExtended;
-                if (redisClient != null)
+                if (client is ICacheClientExtended redisClient)
                 {
                     return redisClient.GetTimeToLive(key);
                 }

tests/ServiceStack.Redis.Tests/RedisClientTests.cs

@@ -311,6 +311,9 @@ public void Can_get_Keys_with_pattern()
 
             var keys = Redis.Keys("k1:*");
             Assert.That(keys.Length, Is.EqualTo(5));
+
+            var scanKeys = Redis.ScanAllKeys("k1:*").ToArray();
+            Assert.That(scanKeys.Length, Is.EqualTo(5));
         }
 
         [Test]