Module: Arel::Predications

Included in:
Attributes::Attribute, Nodes::Extract, Nodes::Function, Nodes::Grouping, Nodes::InfixOperation, Nodes::SqlLiteral
Defined in:
lib/arel/predications.rb

Instance Method Summary collapse

Instance Method Details

#does_not_match(other) ⇒ Object 



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# File 'lib/arel/predications.rb', line 107

def does_not_match other
  Nodes::DoesNotMatch.new self, other
end

#does_not_match_all(others) ⇒ Object 



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# File 'lib/arel/predications.rb', line 115

def does_not_match_all others
  grouping_all :does_not_match, others
end

#does_not_match_any(others) ⇒ Object 



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# File 'lib/arel/predications.rb', line 111

def does_not_match_any others
  grouping_any :does_not_match, others
end

#eq(other) ⇒ Object 



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# File 'lib/arel/predications.rb', line 15

def eq other
  Nodes::Equality.new self, other
end

#eq_all(others) ⇒ Object 



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# File 'lib/arel/predications.rb', line 23

def eq_all others
  grouping_all :eq, others
end

#eq_any(others) ⇒ Object 



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# File 'lib/arel/predications.rb', line 19

def eq_any others
  grouping_any :eq, others
end

#gt(right) ⇒ Object 



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# File 'lib/arel/predications.rb', line 131

def gt right
  Nodes::GreaterThan.new self, right
end

#gt_all(others) ⇒ Object 



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# File 'lib/arel/predications.rb', line 139

def gt_all others
  grouping_all :gt, others
end

#gt_any(others) ⇒ Object 



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# File 'lib/arel/predications.rb', line 135

def gt_any others
  grouping_any :gt, others
end

#gteq(right) ⇒ Object 



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# File 'lib/arel/predications.rb', line 119

def gteq right
  Nodes::GreaterThanOrEqual.new self, right
end

#gteq_all(others) ⇒ Object 



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# File 'lib/arel/predications.rb', line 127

def gteq_all others
  grouping_all :gteq, others
end

#gteq_any(others) ⇒ Object 



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# File 'lib/arel/predications.rb', line 123

def gteq_any others
  grouping_any :gteq, others
end

#in(other) ⇒ Object 



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# File 'lib/arel/predications.rb', line 27

def in other
  case other
  when Arel::SelectManager
    Arel::Nodes::In.new(self, other.ast)
  when Range
    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]
    else
      Nodes::Between.new(self, Nodes::And.new([other.begin, other.end]))
    end
  else
    Nodes::In.new self, other
  end
end

#in_all(others) ⇒ Object 



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# File 'lib/arel/predications.rb', line 56

def in_all others
  grouping_all :in, others
end

#in_any(others) ⇒ Object 



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# File 'lib/arel/predications.rb', line 52

def in_any others
  grouping_any :in, others
end

#lt(right) ⇒ Object 



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# File 'lib/arel/predications.rb', line 143

def lt right
  Nodes::LessThan.new self, right
end

#lt_all(others) ⇒ Object 



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# File 'lib/arel/predications.rb', line 151

def lt_all others
  grouping_all :lt, others
end

#lt_any(others) ⇒ Object 



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# File 'lib/arel/predications.rb', line 147

def lt_any others
  grouping_any :lt, others
end

#lteq(right) ⇒ Object 



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# File 'lib/arel/predications.rb', line 155

def lteq right
  Nodes::LessThanOrEqual.new self, right
end

#lteq_all(others) ⇒ Object 



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# File 'lib/arel/predications.rb', line 163

def lteq_all others
  grouping_all :lteq, others
end

#lteq_any(others) ⇒ Object 



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# File 'lib/arel/predications.rb', line 159

def lteq_any others
  grouping_any :lteq, others
end

#matches(other) ⇒ Object 



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# File 'lib/arel/predications.rb', line 95

def matches other
  Nodes::Matches.new self, other
end

#matches_all(others) ⇒ Object 



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# File 'lib/arel/predications.rb', line 103

def matches_all others
  grouping_all :matches, others
end

#matches_any(others) ⇒ Object 



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# File 'lib/arel/predications.rb', line 99

def matches_any others
  grouping_any :matches, others
end

#not_eq(other) ⇒ Object 



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# File 'lib/arel/predications.rb', line 3

def not_eq other
  Nodes::NotEqual.new self, other
end

#not_eq_all(others) ⇒ Object 



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# File 'lib/arel/predications.rb', line 11

def not_eq_all others
  grouping_all :not_eq, others
end

#not_eq_any(others) ⇒ Object 



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# File 'lib/arel/predications.rb', line 7

def not_eq_any others
  grouping_any :not_eq, others
end

#not_in(other) ⇒ Object 



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# File 'lib/arel/predications.rb', line 60

def not_in other
  case other
  when Arel::SelectManager
    Arel::Nodes::NotIn.new(self, other.ast)
  when Range
    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
    else
      left  = Nodes::LessThan.new(self, other.begin)
      right = Nodes::GreaterThan.new(self, other.end)
      Nodes::Or.new left, right
    end
  else
    Nodes::NotIn.new self, other
  end
end

#not_in_all(others) ⇒ Object 



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# File 'lib/arel/predications.rb', line 91

def not_in_all others
  grouping_all :not_in, others
end

#not_in_any(others) ⇒ Object 



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# File 'lib/arel/predications.rb', line 87

def not_in_any others
  grouping_any :not_in, others
end