From: Dessalines <tyhou13@gmx.com>
Date: Tue, 23 Nov 2021 19:30:16 +0000 (-0500)
Subject: Fix API dupes query. #1878
X-Git-Url: http://these/git/%22https:/nerdica.net/%7B%24%7B%60data:application/manifest%20json;base64%2C%24%7Bawait?a=commitdiff_plain;h=f6b96370b8ac228ce63b3dad3e2e0ca962ad2ff5;p=lemmy.git

Fix API dupes query. #1878
---

diff --git a/migrations/2021-11-22-135324_add_activity_ap_id_index/up.sql b/migrations/2021-11-22-135324_add_activity_ap_id_index/up.sql
index fedd94f5..84530508 100644
--- a/migrations/2021-11-22-135324_add_activity_ap_id_index/up.sql
+++ b/migrations/2021-11-22-135324_add_activity_ap_id_index/up.sql
@@ -6,13 +6,13 @@ delete from activity where ap_id is null;
 alter table activity alter column ap_id set not null;
 
 -- Delete dupes, keeping the first one
-delete
-from activity
-where id not in (
-  select min(id)
+delete from activity a using (
+  select min(id) as id, ap_id
   from activity
-  group by ap_id
-);
+  group by ap_id having count(*) > 1
+) b
+where a.ap_id = b.ap_id 
+and a.id <> b.id;
 
 -- The index
 create unique index idx_activity_ap_id on activity(ap_id);