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# frozen_string_literal: true
class AddUniqueIndexIssueUserMentionsNoteIdConvertToBigintForGitlabCom < Gitlab::Database::Migration[2.1]
include Gitlab::Database::MigrationHelpers::ConvertToBigint
disable_ddl_transaction!
TABLE_NAME = :issue_user_mentions
INDEX_NAME = :index_issue_user_mentions_on_note_id_convert_to_bigint
def up
return unless should_run?
# This will replace the existing index_issue_user_mentions_on_note_id
add_concurrent_index TABLE_NAME, :note_id_convert_to_bigint, unique: true,
name: INDEX_NAME,
where: 'note_id_convert_to_bigint IS NOT NULL'
end
def down
return unless should_run?
remove_concurrent_index_by_name(TABLE_NAME, INDEX_NAME)
end
private
def should_run?
com_or_dev_or_test_but_not_jh?
end
end
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