2018-11-13 07:27:31 +00:00
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class AddIndexOnMergeRequestDiffsMergeRequestIdAndId < ActiveRecord::Migration[4.2]
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2017-11-24 10:11:37 +00:00
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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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add_concurrent_index(:merge_request_diffs, [:merge_request_id, :id])
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end
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def down
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if index_exists?(:merge_request_diffs, [:merge_request_id, :id])
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remove_concurrent_index(:merge_request_diffs, [:merge_request_id, :id])
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end
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end
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end
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