From e3abf396eb4456b06edd14d56c6a13b2e4129ea7 Mon Sep 17 00:00:00 2001
From: "Collin M. Barrett" <collinbarrett@users.noreply.github.com>
Date: Mon, 20 Aug 2018 14:46:57 -0500
Subject: [PATCH] revert to join() again for now

per exceptions caused by https://github.com/PomeloFoundation/Pomelo.EntityFrameworkCore.MySql/issues/667

ref #357
---
 src/FilterLists.Services/Snapshot/SnapshotBatch.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/FilterLists.Services/Snapshot/SnapshotBatch.cs b/src/FilterLists.Services/Snapshot/SnapshotBatch.cs
index 2244a3181..b31db309b 100644
--- a/src/FilterLists.Services/Snapshot/SnapshotBatch.cs
+++ b/src/FilterLists.Services/Snapshot/SnapshotBatch.cs
@@ -32,7 +32,7 @@ public void Save()
         }
 
         private IQueryable<Rule> GetExistingRules() =>
-            dbContext.Rules.Where(r => lines.Contains(r.Raw));
+            dbContext.Rules.Join(lines, rule => rule.Raw, line => line, (rule, line) => rule);
 
         private List<Rule> CreateNewRules(IQueryable<Rule> existingRules) =>
             lines.Except(existingRules.Select(r => r.Raw)).Select(r => new Rule {Raw = r}).ToList();