31 lines
1.3 KiB
Ruby
31 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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class AddIndexToUserExerciseInterventions < ActiveRecord::Migration[7.1]
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def change
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up_only do
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# We cannot add a foreign key to a table that has rows that violate the constraint.
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UserExerciseIntervention.where.not(exercise_id: Exercise.select(:id)).delete_all
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UserExerciseIntervention.where.not(intervention_id: Intervention.select(:id)).delete_all
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end
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rename_column :user_exercise_interventions, :user_id, :contributor_id
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rename_column :user_exercise_interventions, :user_type, :contributor_type
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change_column_null :user_exercise_interventions, :contributor_type, false
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change_column_null :user_exercise_interventions, :contributor_id, false
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add_index :user_exercise_interventions, %i[contributor_type contributor_id]
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change_column_null :user_exercise_interventions, :exercise_id, false
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add_index :user_exercise_interventions, :exercise_id
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add_foreign_key :user_exercise_interventions, :exercises
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change_column_null :user_exercise_interventions, :intervention_id, false
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add_index :user_exercise_interventions, :intervention_id
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add_foreign_key :user_exercise_interventions, :interventions
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end
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class Exercise < ActiveRecord::Base; end
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class Intervention < ActiveRecord::Base; end
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class UserExerciseIntervention < ActiveRecord::Base; end
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end
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