From f17d4459d1a01d9dc813c1bdca9b981bbf9b4257 Mon Sep 17 00:00:00 2001
From: Joscha <joscha@plugh.de>
Date: Tue, 9 Aug 2022 01:09:27 +0200
Subject: [PATCH] Remove unnecessary trigger

---
 src/vault/prepare.rs | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/src/vault/prepare.rs b/src/vault/prepare.rs
index 75f351f..fc45551 100644
--- a/src/vault/prepare.rs
+++ b/src/vault/prepare.rs
@@ -65,9 +65,7 @@ pub fn prepare(conn: &mut Connection) -> rusqlite::Result<()> {
         ",
     )?;
 
-    // Cache amount of unseen messages per room because counting them takes far
-    // too long. Uses triggers to move as much of the updating logic as possible
-    // into SQLite.
+    // Cache amount of unseen messages per room.
     conn.execute_batch(
         "
         CREATE TEMPORARY TABLE euph_unseen_counts (
@@ -119,15 +117,6 @@ pub fn prepare(conn: &mut Connection) -> rusqlite::Result<()> {
             SET amount = CASE WHEN new.seen THEN amount - 1 ELSE amount + 1 END
             WHERE room = new.room;
         END;
-
-        CREATE TEMPORARY TRIGGER euc_delete_msg
-        AFTER DELETE ON main.euph_msgs
-        WHEN NOT old.seen
-        BEGIN
-            UPDATE euph_unseen_counts
-            SET amount = amount - 1
-            WHERE room = old.room;
-        END;
         ",
     )?;