Support Composite Primary keys in ActiveRecordColumns compiler #1646
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Support Composite Primary keys in ActiveRecordColumns compiler #1646
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KaanOzkan
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Sep 7, 2023
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KaanOzkan
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I think it's okay to move to Rails main. We currently test against it so that logic would have to to be replaced with Rails 7: https://github.com/Shopify/tapioca/blob/main/gemfiles/Gemfile-rails-main.
There are some unrelated failures this PR will have to fix due to Rails main. It could be worth doing that work in another PR.
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Composite key ids are tuples consisting of multiple columns.
In Active Record, the primary key column is always referenceable via id attribute methods.
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This build is green now, and the CPK test is conditionalized to only run on main for now. |
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The changes look good to me, but can we please test DSL generation on Core before merging? Just to be on the safe side. |
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Done. The output looks correct to me, so I'm going to merge. |
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Motivation
Support Active Record composite primary keys in
ActiveRecordColumnscompiler.Implementation
I imagine using Rails edge may not be ideal, and if it isn't, we can look at merging this closer to when CPK is released. Due to how the compiler works, I would also consider renaming it to
ActiveRecordAttributesinstead.Tests
The implementation inadvertently fixed a bug where the generated attribute methods don't include
idwhen using a non-id primary key. Active Record always has anidmethod defined via https://github.com/rails/rails/blob/bc2892ab4557136a959e95c329c2dcc0133c7585/activerecord/lib/active_record/attribute_methods/primary_key.rb.