From 43d100c309e855ac89055cf1ddab8895283f1f73 Mon Sep 17 00:00:00 2001
From: "Collin M. Barrett" <collinbarrett@users.noreply.github.com>
Date: Wed, 7 Feb 2018 12:39:00 -0600
Subject: [PATCH] use HashSet rather than Distinct() for filtering duplicate
 rules in a list

---
 src/FilterLists.Services/SnapshotService/SnapshotDe.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/FilterLists.Services/SnapshotService/SnapshotDe.cs b/src/FilterLists.Services/SnapshotService/SnapshotDe.cs
index 6b233d924..19bd04d7c 100644
--- a/src/FilterLists.Services/SnapshotService/SnapshotDe.cs
+++ b/src/FilterLists.Services/SnapshotService/SnapshotDe.cs
@@ -80,7 +80,7 @@ private static List<string> GetRawRules(string content)
             var rawRules = content.Split(new[] {"\r\n", "\r", "\n"}, StringSplitOptions.RemoveEmptyEntries).ToList();
             for (var i = 0; i < rawRules.Count; i++)
                 rawRules[i] = rawRules[i].LintStringForMySql();
-            return rawRules.Where(x => !string.IsNullOrWhiteSpace(x)).Distinct().ToList();
+            return new List<string>(new HashSet<string>(rawRules.Where(x => !string.IsNullOrWhiteSpace(x))));
         }
 
         private IEnumerable<SnapshotBatchDe> GetSnapshotBatches(List<string> rawRules)