2010-08-12 17:55:31 -04:00
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module Arel
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module Attributes
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class Attribute < Struct.new :relation, :name, :column
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2010-09-14 18:20:24 -04:00
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include Arel::Expressions
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2010-09-10 19:58:19 -04:00
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def not_eq other
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Nodes::NotEqual.new self, other
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end
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2010-09-29 15:43:51 -04:00
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def not_eq_any others
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grouping_any :not_eq, others
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end
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def not_eq_all others
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grouping_all :not_eq, others
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end
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2010-08-12 18:22:26 -04:00
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def eq other
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Nodes::Equality.new self, other
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end
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2010-08-16 17:42:20 -04:00
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2010-09-29 12:54:13 -04:00
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def eq_any others
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2010-09-29 15:43:51 -04:00
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grouping_any :eq, others
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end
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2010-09-29 12:54:13 -04:00
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2010-09-29 15:43:51 -04:00
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def eq_all others
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grouping_all :eq, others
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2010-09-29 12:54:13 -04:00
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end
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2010-08-16 17:42:20 -04:00
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def in other
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2010-09-20 19:23:23 -04:00
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case other
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when Arel::SelectManager
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Nodes::In.new self, other.to_a.map { |x| x.id }
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when Range
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if other.exclude_end?
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left = Nodes::GreaterThanOrEqual.new(self, other.min)
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right = Nodes::LessThan.new(self, other.max + 1)
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Nodes::And.new left, right
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else
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Nodes::Between.new(self, Nodes::And.new(other.min, other.max))
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end
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else
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Nodes::In.new self, other
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2010-09-20 16:29:12 -04:00
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end
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2010-08-16 17:42:20 -04:00
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end
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2010-09-07 19:37:11 -04:00
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2010-09-29 15:43:51 -04:00
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def in_any others
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grouping_any :in, others
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end
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def in_all others
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grouping_all :in, others
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end
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def not_in other
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case other
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when Arel::SelectManager
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Nodes::NotIn.new self, other.to_a.map { |x| x.id }
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when Range
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if other.exclude_end?
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left = Nodes::LessThan.new(self, other.min)
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right = Nodes::GreaterThanOrEqual.new(self, other.max)
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Nodes::Or.new left, right
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else
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left = Nodes::LessThan.new(self, other.min)
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right = Nodes::GreaterThan.new(self, other.max)
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Nodes::Or.new left, right
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end
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else
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Nodes::NotIn.new self, other
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end
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end
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def not_in_any others
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grouping_any :not_in, others
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end
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def not_in_all others
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grouping_all :not_in, others
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end
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def matches other
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Nodes::Matches.new self, other
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end
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def matches_any others
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grouping_any :matches, others
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end
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def matches_all others
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grouping_all :matches, others
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end
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def does_not_match other
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Nodes::DoesNotMatch.new self, other
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end
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def does_not_match_any others
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grouping_any :does_not_match, others
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end
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def does_not_match_all others
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grouping_all :does_not_match, others
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end
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2010-09-10 14:39:50 -04:00
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def gteq right
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Nodes::GreaterThanOrEqual.new self, right
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end
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2010-09-10 14:47:03 -04:00
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2010-09-29 15:43:51 -04:00
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def gteq_any others
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grouping_any :gteq, others
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end
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def gteq_all others
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grouping_all :gteq, others
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end
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2010-09-10 14:47:03 -04:00
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def gt right
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Nodes::GreaterThan.new self, right
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end
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2010-09-29 15:43:51 -04:00
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def gt_any others
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grouping_any :gt, others
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end
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def gt_all others
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grouping_all :gt, others
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end
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def lt right
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Nodes::LessThan.new self, right
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end
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def lt_any others
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grouping_any :lt, others
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end
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def lt_all others
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grouping_all :lt, others
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end
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def lteq right
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Nodes::LessThanOrEqual.new self, right
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end
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def lteq_any others
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grouping_any :lteq, others
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end
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def lteq_all others
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grouping_all :lteq, others
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end
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2010-09-29 20:08:57 -04:00
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def asc
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Nodes::Ordering.new self, :asc
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end
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def desc
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Nodes::Ordering.new self, :desc
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end
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2010-09-29 15:43:51 -04:00
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private
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def grouping_any method_id, others
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first = send method_id, others.shift
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Nodes::Grouping.new others.inject(first) { |memo,expr|
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Nodes::Or.new(memo, send(method_id, expr))
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}
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end
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def grouping_all method_id, others
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first = send method_id, others.shift
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Nodes::Grouping.new others.inject(first) { |memo,expr|
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Nodes::And.new(memo, send(method_id, expr))
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}
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end
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2010-08-12 17:55:31 -04:00
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end
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2010-08-12 18:22:26 -04:00
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class String < Attribute; end
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class Time < Attribute; end
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2010-08-12 17:55:31 -04:00
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class Boolean < Attribute; end
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class Decimal < Attribute; end
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2010-08-12 18:22:26 -04:00
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class Float < Attribute; end
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2010-08-12 17:55:31 -04:00
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class Integer < Attribute; end
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end
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2010-09-07 19:37:11 -04:00
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Attribute = Attributes::Attribute
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2010-08-12 17:55:31 -04:00
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end
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