/ Ruby on Rails
/
method

is_distinct_from

v6.1.3.1 - Show latest stable - Class: Arel::Visitors::ToSql
is_distinct_from(o, collector)
private

No documentation available.

# File activerecord/lib/arel/visitors/to_sql.rb, line 864
        def is_distinct_from(o, collector)
          collector << "CASE WHEN "
          collector = visit o.left, collector
          collector << " = "
          collector = visit o.right, collector
          collector << " OR ("
          collector = visit o.left, collector
          collector << " IS NULL AND "
          collector = visit o.right, collector
          collector << " IS NULL)"
          collector << " THEN 0 ELSE 1 END"
        end