- Rewrite `UpdateCommentsMigrationsByType` to not use `WHERE IN` as
that's a performance diaster for MariaDB, it now use batching to query
the the relevant comment IDs via JOINs (which is not possible in a
UPDATE query for SQLite) and then update them in a seperate query.
- Add unit test.
- Resolves https://codeberg.org/forgejo/forgejo/issues/1856
(cherry picked from commit 8098ca9d2e391b17e5e3da5cfa5af042221bfe36)
Conflicts:
models/issues/comment.go
https://codeberg.org/forgejo/forgejo/pulls/2075
(cherry picked from commit ca65deba1cc183ce1643ee6a1f698c5ecb2ac571)
(cherry picked from commit 0e1e09e77dd1bc82b1eae02147fddca1d9954469)
(cherry picked from commit 19013ba5eac756044e6307abee6fb5d6709c855d)
(cherry picked from commit 23c887f97eeb08ee2a318b28878edb488428f98d)
(cherry picked from commit b3321d1a847373acba5b1f620191edc38a69ccbe)
5c0894a588