pleroma

commit: 00a4980c618c29ca337ac10a54121ecd7d687d3f
parent: 21dfcafeb1ecca43e9ba61a4fc11dca67b723d4e
Author: rinpatch <rinpatch@sdf.org>
Date:   Mon, 10 Aug 2020 09:17:08 +0000

Merge branch 'fix/flaky-migration-episode-666' into 'develop'

20200802170532_fix_legacy_tags: Select only fields the migration needs

See merge request pleroma/pleroma!2863
Diffstat:
M
priv/repo/migrations/20200802170532_fix_legacy_tags.exs
7
+++++--

1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/priv/repo/migrations/20200802170532_fix_legacy_tags.exs b/priv/repo/migrations/20200802170532_fix_legacy_tags.exs
@@ -18,8 +18,11 @@ defmodule Pleroma.Repo.Migrations.FixLegacyTags do
   def change do
     legacy_tags = Map.keys(@old_new_map)
 
-    from(u in User, where: fragment("? && ?", u.tags, ^legacy_tags))
-    |> Repo.all()
+    from(u in User,
+      where: fragment("? && ?", u.tags, ^legacy_tags),
+      select: struct(u, [:tags, :id])
+    )
+    |> Repo.chunk_stream(100)
     |> Enum.each(fn user ->
       fix_tags_changeset(user)
       |> Repo.update()