From: faried nawaz <faried@gmail.com>
Date: Tue, 20 Apr 2021 21:38:59 +0000 (+0500)
Subject: mix prune_objects: remove unused hashtags after pruning remote objects
X-Git-Url: https://git.squeep.com/?a=commitdiff_plain;h=a0c9a2b4cc8c22d6238b0f31239c1e655f47730f;p=akkoma

mix prune_objects: remove unused hashtags after pruning remote objects
---

diff --git a/lib/mix/tasks/pleroma/database.ex b/lib/mix/tasks/pleroma/database.ex
index e7f4b67a4..53ad58b64 100644
--- a/lib/mix/tasks/pleroma/database.ex
+++ b/lib/mix/tasks/pleroma/database.ex
@@ -96,6 +96,17 @@ defmodule Mix.Tasks.Pleroma.Database do
     )
     |> Repo.delete_all(timeout: :infinity)
 
+    prune_hashtags_query = """
+    delete from hashtags
+    where id in (
+      select id from hashtags as ht
+      left join hashtags_objects as hto
+      on hto.hashtag_id = ht.id
+      where hto.hashtag_id is null)
+    """
+
+    Repo.query(prune_hashtags_query)
+
     if Keyword.get(options, :vacuum) do
       Maintenance.vacuum("full")
     end