27 lines
849 B
Ruby
27 lines
849 B
Ruby
# frozen_string_literal: true
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class DropUnusedFieldsFromMergeRequestReviewers < Gitlab::Database::Migration[2.0]
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disable_ddl_transaction!
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def up
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with_lock_retries do
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if column_exists?(:merge_request_reviewers, :updated_state_by_user_id)
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remove_column :merge_request_reviewers, :updated_state_by_user_id
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end
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end
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end
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def down
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with_lock_retries do
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unless column_exists?(:merge_request_reviewers, :updated_state_by_user_id)
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add_column :merge_request_reviewers, :updated_state_by_user_id, :bigint
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end
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end
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add_concurrent_index :merge_request_reviewers, :updated_state_by_user_id,
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name: 'index_on_merge_request_reviewers_updated_state_by_user_id'
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add_concurrent_foreign_key :merge_request_reviewers, :users, column: :updated_state_by_user_id, on_delete: :nullify
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end
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end
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