From b669b379c07ba28c8ea8abdff058b77786e1b350 Mon Sep 17 00:00:00 2001
From: g0ldyy <153996346+g0ldyy@users.noreply.github.com>
Date: Mon, 5 Jan 2026 18:57:56 +0100
Subject: [PATCH] perf: add `idx_torrents_info_hash` for improved lookup
 performance

---
 comet/core/database.py | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/comet/core/database.py b/comet/core/database.py
index 7d6144b..1417a8c 100644
--- a/comet/core/database.py
+++ b/comet/core/database.py
@@ -386,6 +386,15 @@ async def setup_database():
             """
         )
 
+        # Optimization for lookups by info_hash only
+        # Covers: SELECT sources, media_id FROM torrents WHERE info_hash = $1
+        await database.execute(
+            """
+            CREATE INDEX IF NOT EXISTS idx_torrents_info_hash 
+            ON torrents (info_hash)
+            """
+        )
+
         # =============================================================================
         # DEBRID_AVAILABILITY TABLE INDEXES
         # =============================================================================
@@ -689,7 +698,6 @@ async def _migrate_indexes():
             "torrents_episode_only_idx",
             "torrents_no_season_episode_idx",
             "idx_torrents_media_cache_lookup",
-            "idx_torrents_info_hash",
             "idx_torrents_tracker_analytics",
             "idx_torrents_size_filter",
             "idx_torrents_seeders_desc",