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| author | Rafael Mendonça França <rafaelmfranca@gmail.com> | 2013-03-04 12:53:15 -0800 |
|---|---|---|
| committer | Rafael Mendonça França <rafaelmfranca@gmail.com> | 2013-03-04 12:53:15 -0800 |
| commit | da8f6c7af7ea2305618f02378736c013f61646f1 (patch) | |
| tree | 58be03c7c513a725fd862881c873ed19967d4f73 /lib | |
| parent | 518d6b34e863d68b009674a45a1fe5105a38aee1 (diff) | |
| parent | 0df9ab8442fc4a33b1962a49cebd66a3d1b0faf5 (diff) | |
| download | rails-da8f6c7af7ea2305618f02378736c013f61646f1.tar.gz rails-da8f6c7af7ea2305618f02378736c013f61646f1.tar.bz2 rails-da8f6c7af7ea2305618f02378736c013f61646f1.zip | |
Merge pull request #164 from tpope/infinity-ranges
Support Float::INFINITY in ranges
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/arel/predications.rb | 20 |
1 files changed, 18 insertions, 2 deletions
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 |