This module includes the inequality methods (>, <, >=, <=) that
are defined on objects that can be used in a numeric or string context in
SQL (Symbol
(except on ruby 1.9),
LiteralString
, SQL::GenericExpression
).
'a'.lit > :b # a > "b" 'a'.lit < :b # a > "b" 'a'.lit >= :b # a >= "b" 'a'.lit <= :b # a <= "b"