From 28104cc7e46dfa7cf76341ef74bd218d0f4c6ed7 Mon Sep 17 00:00:00 2001
From: Kavin <20838718+FireMasterK@users.noreply.github.com>
Date: Thu, 17 Nov 2022 04:38:24 +0000
Subject: [PATCH] Right join when querying table to avoid full scan.

---
 .../piped/server/handlers/auth/AuthPlaylistHandlers.java      | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/java/me/kavin/piped/server/handlers/auth/AuthPlaylistHandlers.java b/src/main/java/me/kavin/piped/server/handlers/auth/AuthPlaylistHandlers.java
index 7a4728b..e6272f4 100644
--- a/src/main/java/me/kavin/piped/server/handlers/auth/AuthPlaylistHandlers.java
+++ b/src/main/java/me/kavin/piped/server/handlers/auth/AuthPlaylistHandlers.java
@@ -223,7 +223,7 @@ public class AuthPlaylistHandlers {
             var cb = s.getCriteriaBuilder();
             var query = cb.createQuery(me.kavin.piped.utils.obj.db.Playlist.class);
             var root = query.from(me.kavin.piped.utils.obj.db.Playlist.class);
-            root.fetch("videos", JoinType.LEFT);
+            root.fetch("videos", JoinType.RIGHT);
             query.where(cb.equal(root.get("playlist_id"), UUID.fromString(playlistId)));
             var playlist = s.createQuery(query).uniqueResult();
 
@@ -278,7 +278,7 @@ public class AuthPlaylistHandlers {
             var cb = s.getCriteriaBuilder();
             var query = cb.createQuery(me.kavin.piped.utils.obj.db.Playlist.class);
             var root = query.from(me.kavin.piped.utils.obj.db.Playlist.class);
-            root.fetch("videos", JoinType.LEFT);
+            root.fetch("videos", JoinType.RIGHT);
             query.where(cb.equal(root.get("playlist_id"), UUID.fromString(playlistId)));
             var playlist = s.createQuery(query).uniqueResult();