From 0490ce394d4b7bb83b7d221177709cdbd2143454 Mon Sep 17 00:00:00 2001
From: Joscha <joscha@plugh.de>
Date: Mon, 8 Aug 2022 17:24:44 +0200
Subject: [PATCH] Improve unseen cursor movement performance

It's only really noticeable when pressing H at the first unseen message
---
 src/vault/migrate.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/vault/migrate.rs b/src/vault/migrate.rs
index 7fb43c8..cbb4f6b 100644
--- a/src/vault/migrate.rs
+++ b/src/vault/migrate.rs
@@ -85,7 +85,10 @@ fn m2(tx: &mut Transaction<'_>) -> rusqlite::Result<()> {
     tx.execute_batch(
         "
         ALTER TABLE euph_msgs
-        ADD COLUMN seen INTEGER NOT NULL DEFAULT TRUE
+        ADD COLUMN seen INTEGER NOT NULL DEFAULT TRUE;
+
+        CREATE INDEX euph_idx_msgs_room_id_seen
+        ON euph_msgs (room, id, seen);
         ",
     )
 }