From 0df9ab8442fc4a33b1962a49cebd66a3d1b0faf5 Mon Sep 17 00:00:00 2001 From: Tim Pope Date: Tue, 19 Feb 2013 11:44:31 -0500 Subject: Support Float::INFINITY in ranges --- lib/arel/predications.rb | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) (limited to 'lib') diff --git a/lib/arel/predications.rb b/lib/arel/predications.rb index e3f72d46a2..c485de07e3 100644 --- a/lib/arel/predications.rb +++ b/lib/arel/predications.rb @@ -29,7 +29,15 @@ module Arel when Arel::SelectManager Arel::Nodes::In.new(self, other.ast) when Range - if other.exclude_end? + if other.begin == -Float::INFINITY && other.end == Float::INFINITY + Nodes::NotIn.new self, [] + elsif other.end == Float::INFINITY + Nodes::GreaterThanOrEqual.new(self, other.begin) + elsif other.begin == -Float::INFINITY && other.exclude_end? + Nodes::LessThan.new(self, other.end) + elsif other.begin == -Float::INFINITY + Nodes::LessThanOrEqual.new(self, other.end) + elsif other.exclude_end? left = Nodes::GreaterThanOrEqual.new(self, other.begin) right = Nodes::LessThan.new(self, other.end) Nodes::And.new [left, right] @@ -54,7 +62,15 @@ module Arel when Arel::SelectManager Arel::Nodes::NotIn.new(self, other.ast) when Range - if other.exclude_end? + if other.begin == -Float::INFINITY && other.end == Float::INFINITY + Nodes::In.new self, [] + elsif other.end == Float::INFINITY + Nodes::LessThan.new(self, other.begin) + elsif other.begin == -Float::INFINITY && other.exclude_end? + Nodes::GreaterThanOrEqual.new(self, other.end) + elsif other.begin == -Float::INFINITY + Nodes::GreaterThan.new(self, other.end) + elsif other.exclude_end? left = Nodes::LessThan.new(self, other.begin) right = Nodes::GreaterThanOrEqual.new(self, other.end) Nodes::Or.new left, right -- cgit v1.2.3