group by channel instead of guild

postman/src/sender.rs

@@ -292,22 +292,21 @@ INNER JOIN
 ON
     reminders.channel_id = channels.id
 WHERE
-    reminders.id IN (
+    reminders.`id` IN (
         SELECT
-            MIN(reminders.id)
-        FROM reminders
-        INNER JOIN
-            channels
-        ON reminders.channel_id = channels.id
-        WHERE reminders.`utc_time` < NOW()
-        GROUP BY channels.guild_id
-    )
-    AND reminders.`utc_time` < NOW()
+            MIN(id)
+        FROM
+            reminders
+        WHERE
+            reminders.`utc_time` <= NOW()
             AND (
                 reminders.`interval_seconds` IS NOT NULL
                 OR reminders.`interval_months` IS NOT NULL
                 OR reminders.enabled
-    )"#,
+            )
+        GROUP BY channel_id
+    )
+    "#,
         )
         .fetch_all(pool)
         .await