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Bugfix: unscope(where: [columns]) would not remove the correct binds #29780
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Thanks for the pull request, and welcome! The Rails team is excited to review your changes, and you should hear from @pixeltrix (or someone else) soon. If any changes to this PR are deemed necessary, please add them as extra commits. This ensures that the reviewer can see what has changed since they last reviewed the code. Due to the way GitHub handles out-of-date commits, this should also make it reasonably obvious what issues have or haven't been addressed. Large or tricky changes may require several passes of review and changes. This repository is being automatically checked for code quality issues using Code Climate. You can see results for this analysis in the PR status below. Newly introduced issues should be fixed before a Pull Request is considered ready to review. Please see the contribution instructions for more information. |
…sometimes Post.where(id: 1).or(Post.where(id: 2)).where(foo: 3).unscope(where: :foo).where_clause.binds.map(&:value) Would return [2, 3] instead of the expected [1,2]
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Right now, unscope sometimes doesn't skip a bind as it iterates over the different conditions. For example, when that bind is used as part of an OR clause. As a result, the unscope will remove the wrong bind.
For example:
I propose this bugfix gets also backported to Rails 5.1. Rails 5.0 had a different version that was probably more buggy, since a bugfix was applied to this same function as part of 5.1, making it harder to backport to 5.0.