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author | Ernie Miller <ernie@metautonomo.us> | 2010-10-27 21:43:20 +0800 |
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committer | Aaron Patterson <aaron.patterson@gmail.com> | 2010-10-27 22:34:04 +0800 |
commit | 01e7ceef453e3dc976dc0d12002bb6d4a66f1252 (patch) | |
tree | e5acf86795ae6d36d2d489aca79ce66f2f142851 /lib/arel/attributes | |
parent | f515283f5190096cd3b1cfe0312c723cdeb542c1 (diff) | |
download | rails-01e7ceef453e3dc976dc0d12002bb6d4a66f1252.tar.gz rails-01e7ceef453e3dc976dc0d12002bb6d4a66f1252.tar.bz2 rails-01e7ceef453e3dc976dc0d12002bb6d4a66f1252.zip |
Refactor predication methods to be available to SqlLiterals as well.
Diffstat (limited to 'lib/arel/attributes')
-rw-r--r-- | lib/arel/attributes/attribute.rb | 175 |
1 files changed, 1 insertions, 174 deletions
diff --git a/lib/arel/attributes/attribute.rb b/lib/arel/attributes/attribute.rb index ba18533590..e027a65a74 100644 --- a/lib/arel/attributes/attribute.rb +++ b/lib/arel/attributes/attribute.rb @@ -2,180 +2,7 @@ module Arel module Attributes class Attribute < Struct.new :relation, :name, :column include Arel::Expressions - - def not_eq other - Nodes::NotEqual.new self, other - end - - def not_eq_any others - grouping_any :not_eq, others - end - - def not_eq_all others - grouping_all :not_eq, others - end - - def eq other - Nodes::Equality.new self, other - end - - def eq_any others - grouping_any :eq, others - end - - def eq_all others - grouping_all :eq, others - end - - def in other - case other - when Arel::SelectManager - Nodes::In.new self, other.to_a.map { |x| x.id } - when Range - if other.exclude_end? - left = Nodes::GreaterThanOrEqual.new(self, other.min) - right = Nodes::LessThan.new(self, other.max + 1) - Nodes::And.new left, right - else - Nodes::Between.new(self, Nodes::And.new(other.min, other.max)) - end - else - Nodes::In.new self, other - end - end - - def in_any others - grouping_any :in, others - end - - def in_all others - grouping_all :in, others - end - - def not_in other - case other - when Arel::SelectManager - Nodes::NotIn.new self, other.to_a.map { |x| x.id } - when Range - if other.exclude_end? - left = Nodes::LessThan.new(self, other.min) - right = Nodes::GreaterThanOrEqual.new(self, other.max) - Nodes::Or.new left, right - else - left = Nodes::LessThan.new(self, other.min) - right = Nodes::GreaterThan.new(self, other.max) - Nodes::Or.new left, right - end - else - Nodes::NotIn.new self, other - end - end - - def not_in_any others - grouping_any :not_in, others - end - - def not_in_all others - grouping_all :not_in, others - end - - def matches other - Nodes::Matches.new self, other - end - - def matches_any others - grouping_any :matches, others - end - - def matches_all others - grouping_all :matches, others - end - - def does_not_match other - Nodes::DoesNotMatch.new self, other - end - - def does_not_match_any others - grouping_any :does_not_match, others - end - - def does_not_match_all others - grouping_all :does_not_match, others - end - - def gteq right - Nodes::GreaterThanOrEqual.new self, right - end - - def gteq_any others - grouping_any :gteq, others - end - - def gteq_all others - grouping_all :gteq, others - end - - def gt right - Nodes::GreaterThan.new self, right - end - - def gt_any others - grouping_any :gt, others - end - - def gt_all others - grouping_all :gt, others - end - - def lt right - Nodes::LessThan.new self, right - end - - def lt_any others - grouping_any :lt, others - end - - def lt_all others - grouping_all :lt, others - end - - def lteq right - Nodes::LessThanOrEqual.new self, right - end - - def lteq_any others - grouping_any :lteq, others - end - - def lteq_all others - grouping_all :lteq, others - end - - def asc - Nodes::Ordering.new self, :asc - end - - def desc - Nodes::Ordering.new self, :desc - end - - private - - def grouping_any method_id, others - first = send method_id, others.shift - - Nodes::Grouping.new others.inject(first) { |memo,expr| - Nodes::Or.new(memo, send(method_id, expr)) - } - end - - def grouping_all method_id, others - first = send method_id, others.shift - - Nodes::Grouping.new others.inject(first) { |memo,expr| - Nodes::And.new(memo, send(method_id, expr)) - } - end + include Arel::Predications end class String < Attribute; end |