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Prevent adding nil label to .AddedLabels or .RemovedLabels (#14623)

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* Prevent adding nil label to .AddedLabels or .RemovedLabels

There are possibly a few old databases out there with malmigrated data that can
cause panics with empty labels being migrated.

This PR adds a few tests to prevent nil labels being added.

Fix #14466

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Add doctor command to remove the broken label comments

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: 6543 <6543@obermui.de>
This commit is contained in:
zeripath 2021-02-10 02:50:44 +00:00 • committed by GitHub
parent 30f7ddb833
commit f82b1dd7c3
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4 changed files with 39 additions and 5 deletions
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10
models/consistency.go
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@ -305,3 +305,13 @@ func CountWrongUserType() (int64, error) {
func FixWrongUserType() (int64, error) {
return x.Where(builder.Eq{"type": 0}.And(builder.Neq{"num_teams": 0})).Cols("type").NoAutoTime().Update(&User{Type: 1})
}
// CountCommentTypeLabelWithEmptyLabel count label comments with empty label
func CountCommentTypeLabelWithEmptyLabel() (int64, error) {
return x.Where(builder.Eq{"type": CommentTypeLabel, "label_id": 0}).Count(new(Comment))
}
// FixCommentTypeLabelWithEmptyLabel count label comments with empty label
func FixCommentTypeLabelWithEmptyLabel() (int64, error) {
return x.Where(builder.Eq{"type": CommentTypeLabel, "label_id": 0}).Delete(new(Comment))
}