32 lines
802 B
Ruby
32 lines
802 B
Ruby
# frozen_string_literal: true
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class AddUniqueIndexMrUserMentionsNoteIdConvertToBigint < Gitlab::Database::Migration[2.1]
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include Gitlab::Database::MigrationHelpers::ConvertToBigint
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disable_ddl_transaction!
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TABLE_NAME = :merge_request_user_mentions
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INDEX_NAME = :index_merge_request_user_mentions_note_id_convert_to_bigint
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def up
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return unless should_run?
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# This will replace the existing index_merge_request_user_mentions_on_note_id
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add_concurrent_index TABLE_NAME, :note_id_convert_to_bigint, unique: true,
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name: INDEX_NAME,
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where: 'note_id_convert_to_bigint IS NOT NULL'
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end
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def down
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return unless should_run?
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remove_concurrent_index_by_name(TABLE_NAME, INDEX_NAME)
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end
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private
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def should_run?
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com_or_dev_or_test_but_not_jh?
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end
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end
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