20 lines
661 B
Ruby
20 lines
661 B
Ruby
# frozen_string_literal: true
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class AddIndexToSytemNoteMetadataDescriptionVersionId < ActiveRecord::Migration[5.2]
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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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add_concurrent_index :system_note_metadata, :description_version_id, unique: true, where: 'description_version_id IS NOT NULL'
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add_concurrent_foreign_key :system_note_metadata, :description_versions, column: :description_version_id, on_delete: :nullify
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end
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def down
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remove_foreign_key :system_note_metadata, column: :description_version_id
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remove_concurrent_index :system_note_metadata, :description_version_id
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end
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end
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