From 6c8464b650e1a11c337c39cce0de5001d632db5a Mon Sep 17 00:00:00 2001
From: Mbucari <mbucari1@gmail.com>
Date: Wed, 29 Mar 2023 11:32:07 -0600
Subject: [PATCH] Use HashSet

---
 Source/DtoImporterService/BookImporter.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/DtoImporterService/BookImporter.cs b/Source/DtoImporterService/BookImporter.cs
index a1a1b593..700ad7d4 100644
--- a/Source/DtoImporterService/BookImporter.cs
+++ b/Source/DtoImporterService/BookImporter.cs
@@ -46,7 +46,7 @@ namespace DtoImporterService
 			var productIds = importItems
 				.Select(i => i.DtoItem.ProductId)
 				.Distinct()
-				.ToList();
+				.ToHashSet();
 
 			Cache = DbContext.Books
 				.GetBooks(b => productIds.Contains(b.AudibleProductId))