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# node
require 'arel/nodes/node'
require 'arel/nodes/select_statement'
require 'arel/nodes/select_core'
require 'arel/nodes/insert_statement'
require 'arel/nodes/update_statement'
require 'arel/nodes/bind_param'
# terminal
require 'arel/nodes/terminal'
require 'arel/nodes/true'
require 'arel/nodes/false'
# unary
require 'arel/nodes/unary'
require 'arel/nodes/grouping'
require 'arel/nodes/ascending'
require 'arel/nodes/descending'
require 'arel/nodes/unqualified_column'
require 'arel/nodes/with'
# binary
require 'arel/nodes/binary'
require 'arel/nodes/equality'
require 'arel/nodes/in' # Why is this subclassed from equality?
require 'arel/nodes/join_source'
require 'arel/nodes/delete_statement'
require 'arel/nodes/table_alias'
require 'arel/nodes/infix_operation'
require 'arel/nodes/over'
require 'arel/nodes/matches'
# nary
require 'arel/nodes/and'
# function
# FIXME: Function + Alias can be rewritten as a Function and Alias node.
# We should make Function a Unary node and deprecate the use of "aliaz"
require 'arel/nodes/function'
require 'arel/nodes/count'
require 'arel/nodes/extract'
require 'arel/nodes/values'
require 'arel/nodes/named_function'
# windows
require 'arel/nodes/window'
# joins
require 'arel/nodes/full_outer_join'
require 'arel/nodes/inner_join'
require 'arel/nodes/outer_join'
require 'arel/nodes/right_outer_join'
require 'arel/nodes/string_join'
require 'arel/nodes/sql_literal'
module Arel
module Nodes
class Casted < Arel::Nodes::Node # :nodoc:
attr_reader :val, :attribute
def initialize val, attribute
@val = val
@attribute = attribute
super()
end
def nil?; @val.nil?; end
def eql? other
self.class == other.class &&
self.val == other.val &&
self.attribute == other.attribute
end
alias :== :eql?
end
class Quoted < Arel::Nodes::Unary # :nodoc:
alias :val :value
def nil?; val.nil?; end
end
def self.build_quoted other, attribute = nil
case other
when Arel::Nodes::Node, Arel::Attributes::Attribute, Arel::Table, Arel::Nodes::BindParam, Arel::SelectManager, Arel::Nodes::Quoted
other
else
case attribute
when Arel::Attributes::Attribute
Casted.new other, attribute
else
Quoted.new other
end
end
end
end
end
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