Module: Arel::Predications

Instance Method Summary collapse

Instance Method Details

#between(other) ⇒ Object



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# File 'lib/arel/predications.rb', line 28

def between other
  if equals_quoted?(other.begin, -Float::INFINITY)
    if equals_quoted?(other.end, Float::INFINITY)
      not_in([])
    elsif other.exclude_end?
      lt(other.end)
    else
      lteq(other.end)
    end
  elsif equals_quoted?(other.end, Float::INFINITY)
    gteq(other.begin)
  elsif other.exclude_end?
    gteq(other.begin).and(lt(other.end))
  else
    left = quoted_node(other.begin)
    right = quoted_node(other.end)
    Nodes::Between.new(self, left.and(right))
  end
end

#concat(other) ⇒ Object



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# File 'lib/arel/predications.rb', line 206

def concat other
  Nodes::Concat.new self, other
end

#does_not_match(other, escape = nil, case_sensitive = false) ⇒ Object



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# File 'lib/arel/predications.rb', line 138

def does_not_match other, escape = nil, case_sensitive = false
  Nodes::DoesNotMatch.new self, quoted_node(other), escape, case_sensitive
end

#does_not_match_all(others, escape = nil) ⇒ Object



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# File 'lib/arel/predications.rb', line 150

def does_not_match_all others, escape = nil
  grouping_all :does_not_match, others, escape
end

#does_not_match_any(others, escape = nil) ⇒ Object



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# File 'lib/arel/predications.rb', line 146

def does_not_match_any others, escape = nil
  grouping_any :does_not_match, others, escape
end

#does_not_match_regexp(other, case_sensitive = true) ⇒ Object



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# File 'lib/arel/predications.rb', line 142

def does_not_match_regexp other, case_sensitive = true
  Nodes::NotRegexp.new self, quoted_node(other), case_sensitive
end

#eq(other) ⇒ Object



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# File 'lib/arel/predications.rb', line 16

def eq other
  Nodes::Equality.new self, quoted_node(other)
end

#eq_all(others) ⇒ Object



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# File 'lib/arel/predications.rb', line 24

def eq_all others
  grouping_all :eq, quoted_array(others)
end

#eq_any(others) ⇒ Object



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# File 'lib/arel/predications.rb', line 20

def eq_any others
  grouping_any :eq, others
end

#gt(right) ⇒ Object



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# File 'lib/arel/predications.rb', line 166

def gt right
  Nodes::GreaterThan.new self, quoted_node(right)
end

#gt_all(others) ⇒ Object



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# File 'lib/arel/predications.rb', line 174

def gt_all others
  grouping_all :gt, others
end

#gt_any(others) ⇒ Object



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# File 'lib/arel/predications.rb', line 170

def gt_any others
  grouping_any :gt, others
end

#gteq(right) ⇒ Object



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# File 'lib/arel/predications.rb', line 154

def gteq right
  Nodes::GreaterThanOrEqual.new self, quoted_node(right)
end

#gteq_all(others) ⇒ Object



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# File 'lib/arel/predications.rb', line 162

def gteq_all others
  grouping_all :gteq, others
end

#gteq_any(others) ⇒ Object



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# File 'lib/arel/predications.rb', line 158

def gteq_any others
  grouping_any :gteq, others
end

#in(other) ⇒ Object



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# File 'lib/arel/predications.rb', line 48

def in other
  case other
  when Arel::SelectManager
    Arel::Nodes::In.new(self, other.ast)
  when Range
    if $VERBOSE
      warn <<-eowarn
Passing a range to `#in` is deprecated. Call `#between`, instead.
      eowarn
    end
    between(other)
  when Enumerable
    Nodes::In.new self, quoted_array(other)
  else
    Nodes::In.new self, quoted_node(other)
  end
end

#in_all(others) ⇒ Object



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# File 'lib/arel/predications.rb', line 70

def in_all others
  grouping_all :in, others
end

#in_any(others) ⇒ Object



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# File 'lib/arel/predications.rb', line 66

def in_any others
  grouping_any :in, others
end

#lt(right) ⇒ Object



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# File 'lib/arel/predications.rb', line 178

def lt right
  Nodes::LessThan.new self, quoted_node(right)
end

#lt_all(others) ⇒ Object



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# File 'lib/arel/predications.rb', line 186

def lt_all others
  grouping_all :lt, others
end

#lt_any(others) ⇒ Object



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# File 'lib/arel/predications.rb', line 182

def lt_any others
  grouping_any :lt, others
end

#lteq(right) ⇒ Object



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# File 'lib/arel/predications.rb', line 190

def lteq right
  Nodes::LessThanOrEqual.new self, quoted_node(right)
end

#lteq_all(others) ⇒ Object



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# File 'lib/arel/predications.rb', line 198

def lteq_all others
  grouping_all :lteq, others
end

#lteq_any(others) ⇒ Object



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# File 'lib/arel/predications.rb', line 194

def lteq_any others
  grouping_any :lteq, others
end

#matches(other, escape = nil, case_sensitive = false) ⇒ Object



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# File 'lib/arel/predications.rb', line 122

def matches other, escape = nil, case_sensitive = false
  Nodes::Matches.new self, quoted_node(other), escape, case_sensitive
end

#matches_all(others, escape = nil, case_sensitive = false) ⇒ Object



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# File 'lib/arel/predications.rb', line 134

def matches_all others, escape = nil, case_sensitive = false
  grouping_all :matches, others, escape, case_sensitive
end

#matches_any(others, escape = nil, case_sensitive = false) ⇒ Object



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# File 'lib/arel/predications.rb', line 130

def matches_any others, escape = nil, case_sensitive = false
  grouping_any :matches, others, escape, case_sensitive
end

#matches_regexp(other, case_sensitive = true) ⇒ Object



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# File 'lib/arel/predications.rb', line 126

def matches_regexp other, case_sensitive = true
  Nodes::Regexp.new self, quoted_node(other), case_sensitive
end

#not_between(other) ⇒ Object



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# File 'lib/arel/predications.rb', line 74

def not_between other
  if equals_quoted?(other.begin, -Float::INFINITY)
    if equals_quoted?(other.end, Float::INFINITY)
      self.in([])
    elsif other.exclude_end?
      gteq(other.end)
    else
      gt(other.end)
    end
  elsif equals_quoted?(other.end, Float::INFINITY)
    lt(other.begin)
  else
    left = lt(other.begin)
    right = if other.exclude_end?
      gteq(other.end)
    else
      gt(other.end)
    end
    left.or(right)
  end
end

#not_eq(other) ⇒ Object



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# File 'lib/arel/predications.rb', line 4

def not_eq other
  Nodes::NotEqual.new self, quoted_node(other)
end

#not_eq_all(others) ⇒ Object



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# File 'lib/arel/predications.rb', line 12

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 8

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 96

def not_in other
  case other
  when Arel::SelectManager
    Arel::Nodes::NotIn.new(self, other.ast)
  when Range
    if $VERBOSE
      warn <<-eowarn
Passing a range to `#not_in` is deprecated. Call `#not_between`, instead.
      eowarn
    end
    not_between(other)
  when Enumerable
    Nodes::NotIn.new self, quoted_array(other)
  else
    Nodes::NotIn.new self, quoted_node(other)
  end
end

#not_in_all(others) ⇒ Object



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# File 'lib/arel/predications.rb', line 118

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 114

def not_in_any others
  grouping_any :not_in, others
end

#when(right) ⇒ Object



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# File 'lib/arel/predications.rb', line 202

def when right
  Nodes::Case.new(self).when quoted_node(right)
end