19 lines
554 B
Ruby
19 lines
554 B
Ruby
# rubocop:disable RemoveIndex
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class CreateEnvironmentNameUniqueIndex < ActiveRecord::Migration[4.2]
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include Gitlab::Database::MigrationHelpers
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disable_ddl_transaction!
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DOWNTIME = true
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DOWNTIME_REASON = 'Making a non-unique index into a unique index'
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def up
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remove_index :environments, [:project_id, :name]
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add_concurrent_index :environments, [:project_id, :name], unique: true
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end
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def down
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remove_index :environments, [:project_id, :name]
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add_concurrent_index :environments, [:project_id, :name], unique: true
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end
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end
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