21 lines
646 B
Ruby
21 lines
646 B
Ruby
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# frozen_string_literal: true
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class ChangeIterationsTitleUniquenessIndex < ActiveRecord::Migration[6.0]
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include Gitlab::Database::MigrationHelpers
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INDEX_NAME = 'index_sprints_on_iterations_cadence_id_and_title'
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OLD_INDEX_NAME = 'index_sprints_on_group_id_and_title'
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disable_ddl_transaction!
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def up
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add_concurrent_index :sprints, [:iterations_cadence_id, :title], name: INDEX_NAME, unique: true
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remove_concurrent_index_by_name :sprints, OLD_INDEX_NAME
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end
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def down
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# noop
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# rollback would not work as we can have duplicate records once the unique `index_sprints_on_group_id_and_title` index is removed
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end
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end
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