Include OriginalAuthor in Reaction constraint #13505
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When migrating repositories with reactions with deleted users, the original author id may be -1. This means that it is possible to end up attempting to create multiple reactions with the same [ Type, IssueID, CommentID, UserID, OriginalAuthorID ] thus breaking the constraints. On SQLite this appears to cause a deadlock but on other dbs this will cause the migration to fail. This PR extends the constraint to include the original author username in the constraint. Fix go-gitea#13271 Signed-off-by: Andrew Thornton <art27@cantab.net>
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ok migration cant be backported ... I'll file a pull to drop entrys from API witch wont have any chance to get migrated to an existing user somehow |
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The backport would just have to drop the reactions if they have originalauthorid -1 I think |
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admittedly such a backport would not be a backport just an alternate fix but it's the only solution. |
6543
approved these changes
Nov 10, 2020
lafriks
approved these changes
Nov 10, 2020
Signed-off-by: Andrew Thornton <art27@cantab.net>
…' of github.com:zeripath/gitea into fix-13271-move-original-author-into-reaction-constraint
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damn recreateTable has to be in a transaction for MSSQL - just put it in one |
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potential issue from this -> #13588 |
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No this is not the cause of your issue. |
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When migrating repositories with reactions with deleted users, the original
author id may be -1. This means that it is possible to end up attempting
to create multiple reactions with the same [ Type, IssueID, CommentID, UserID,
OriginalAuthorID ] thus breaking the constraints.
On SQLite this appears to cause a deadlock but on other dbs this will
cause the migration to fail.
This PR extends the constraint to include the original author username
in the constraint.
Fix #13271
Signed-off-by: Andrew Thornton art27@cantab.net