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author | Tim Pope <code@tpope.net> | 2013-02-19 11:44:31 -0500 |
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committer | Tim Pope <code@tpope.net> | 2013-02-19 12:37:13 -0500 |
commit | 0df9ab8442fc4a33b1962a49cebd66a3d1b0faf5 (patch) | |
tree | 51b237a199ef94cc89da8da8f396ff3b6580b119 /lib | |
parent | 80f11e342d00a2177dd8e5684914855b87771c5b (diff) | |
download | rails-0df9ab8442fc4a33b1962a49cebd66a3d1b0faf5.tar.gz rails-0df9ab8442fc4a33b1962a49cebd66a3d1b0faf5.tar.bz2 rails-0df9ab8442fc4a33b1962a49cebd66a3d1b0faf5.zip |
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 |