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[GITEA] Avoid WHERE IN for comment migration query

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- 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 8098ca9d2e)

Conflicts:
	models/issues/comment.go
	https://codeberg.org/forgejo/forgejo/pulls/2075
(cherry picked from commit ca65deba1c)
(cherry picked from commit 0e1e09e77d)
(cherry picked from commit 19013ba5ea)
(cherry picked from commit 23c887f97e)
(cherry picked from commit b3321d1a84)
This commit is contained in:
Gusted 2023-12-17 16:39:58 +01:00 committed by Earl Warren
parent be6416e990
commit 5c0894a588
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1 changed files with 27 additions and 0 deletions
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27
models/issues/comment_test.go
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@ -12,6 +12,7 @@ import (
repo_model "code.gitea.io/gitea/models/repo"
"code.gitea.io/gitea/models/unittest"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/structs"
"github.com/stretchr/testify/assert"
)
@ -97,3 +98,29 @@ func TestMigrate_InsertIssueComments(t *testing.T) {
unittest.CheckConsistencyFor(t, &issues_model.Issue{})
}
func TestUpdateCommentsMigrationsByType(t *testing.T) {
assert.NoError(t, unittest.PrepareTestDatabase())
issue := unittest.AssertExistsAndLoadBean(t, &issues_model.Issue{ID: 1})
repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: issue.RepoID})
comment := unittest.AssertExistsAndLoadBean(t, &issues_model.Comment{ID: 1, IssueID: issue.ID})
// Set repository to migrated from Gitea.
repo.OriginalServiceType = structs.GiteaService
repo_model.UpdateRepositoryCols(db.DefaultContext, repo, "original_service_type")
// Set comment to have an original author.
comment.OriginalAuthor = "Example User"
comment.OriginalAuthorID = 1
comment.PosterID = 0
_, err := db.GetEngine(db.DefaultContext).ID(comment.ID).Cols("original_author", "original_author_id", "poster_id").Update(comment)
assert.NoError(t, err)
assert.NoError(t, issues_model.UpdateCommentsMigrationsByType(db.DefaultContext, structs.GiteaService, "1", 513))
comment = unittest.AssertExistsAndLoadBean(t, &issues_model.Comment{ID: 1, IssueID: issue.ID})
assert.Empty(t, comment.OriginalAuthor)
assert.Empty(t, comment.OriginalAuthorID)
assert.EqualValues(t, 513, comment.PosterID)
}