38 lines
1.2 KiB
Ruby
38 lines
1.2 KiB
Ruby
class AddEventsRelatedColumnsToMergeRequestMetrics < ActiveRecord::Migration[4.2]
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include Gitlab::Database::MigrationHelpers
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DOWNTIME = false
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disable_ddl_transaction!
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def up
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change_table :merge_request_metrics do |t|
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t.references :merged_by, references: :users
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t.references :latest_closed_by, references: :users
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end
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add_column :merge_request_metrics, :latest_closed_at, :datetime_with_timezone
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add_concurrent_foreign_key :merge_request_metrics, :users,
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column: :merged_by_id,
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on_delete: :nullify
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add_concurrent_foreign_key :merge_request_metrics, :users,
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column: :latest_closed_by_id,
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on_delete: :nullify
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end
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def down
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if foreign_keys_for(:merge_request_metrics, :merged_by_id).any?
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remove_foreign_key :merge_request_metrics, column: :merged_by_id
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end
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if foreign_keys_for(:merge_request_metrics, :latest_closed_by_id).any?
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remove_foreign_key :merge_request_metrics, column: :latest_closed_by_id
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end
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remove_columns :merge_request_metrics,
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:merged_by_id, :latest_closed_by_id, :latest_closed_at
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end
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end
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