Class: ActiveRecord::Refined::AST::Operation

Inherits:
Node
  • Object
show all
Includes:
Arithmetics, Predications
Defined in:
lib/active_record/refined/ast.rb

Overview

Escape hatch for operators without a spelling of their own, the way fn is for functions. The operator is emitted as written -- whether the adapter has it is the caller's assertion, as fn's names are -- and the values ride as quoted literals, so on PostgreSQL an untyped one takes the type of the operand beside it.

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Arithmetics

#&, #*, #+, #-, #/, #<<, #>>, #^, #|, #~

Methods included from Predications

#!=, #!~, #<, #<=, #==, #=~, #>, #>=, #between?, #bury, #casecmp?, #contains?, #dig, #dig_text, #distinct_from?, #end_with?, #except, #false?, #ilike?, #in?, #include?, #intersect?, #key?, #keys, #like?, #member?, #not_between?, #not_distinct_from?, #not_false?, #not_ilike?, #not_in?, #not_like?, #not_null?, #not_true?, #null?, #start_with?, #subset?, #superset?, #true?, #when

Methods inherited from Node

#as, #asc, #desc

Constructor Details

#initialize(operator, left, right) ⇒ Operation

Returns a new instance of Operation.



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# File 'lib/active_record/refined/ast.rb', line 1685

def initialize(operator, left, right)
  @operator = AST.check_name(operator, OPERATOR, "operator").to_s
  @left = check_side(left)
  @right = check_side(right)
end

Instance Attribute Details

#left ⇒ Object (readonly)

Returns the value of attribute left.



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# File 'lib/active_record/refined/ast.rb', line 1683

def left
  @left
end

#operator ⇒ Object (readonly)

Returns the value of attribute operator.



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# File 'lib/active_record/refined/ast.rb', line 1683

def operator
  @operator
end

#right ⇒ Object (readonly)

Returns the value of attribute right.



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# File 'lib/active_record/refined/ast.rb', line 1683

def right
  @right
end

Instance Method Details

#to_arel(table, model) ⇒ Object 



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# File 'lib/active_record/refined/ast.rb', line 1691

def to_arel(table, model)
  Arel::Nodes::Grouping.new(
    Arel::Nodes::InfixOperation.new(
      operator, side(left, table, model), side(right, table, model)))
end