gitlab-org--gitlab-foss/lib/gitlab/sql/except.rb

22 lines
522 B
Ruby

# frozen_string_literal: true
module Gitlab
module SQL
# Class for building SQL EXCEPT statements.
#
# ORDER BYs are dropped from the relations as the final sort order is not
# guaranteed any way.
#
# Example usage:
#
# except = Gitlab::SQL::Except.new([user.projects, user.personal_projects])
# sql = except.to_sql
#
# Project.where("id IN (#{sql})")
class Except < SetOperator
def self.operator_keyword
'EXCEPT'
end
end
end
end