13 lines
400 B
Ruby
13 lines
400 B
Ruby
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class DeleteOrphanedClosetHangers < ActiveRecord::Migration[7.0]
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def up
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orphaned_hangers = ClosetHanger.left_outer_joins(:list).
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where("closet_hangers.list_id IS NOT NULL").where("closet_lists.id IS NULL")
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puts orphaned_hangers.to_json
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orphaned_hangers.delete_all
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end
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def down
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raise ActiveRecord::IrreversibleMigration, "The orphaned hangers are already gone!"
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end
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end
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