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Class: Arel::Nodes::UpdateStatement

Do not use. This class is for internal use only.
Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, Node
Instance Chain:
self, Node, ::Arel::FactoryMethods
Inherits: Arel::Nodes::Node
Defined in: activerecord/lib/arel/nodes/update_statement.rb

Class Method Summary

Instance Attribute Summary

Node - Inherited

#equality?

Instance Method Summary

Node - Inherited

#and

Factory method to create an And node.
#fetch_attribute, #invert,
#not

Factory method to create a Nodes::Not node that has the recipient of the caller as a child.
#or

Factory method to create a Grouping node that has an Or node as a child.
#to_sql

FIXME: this method should go away.

::Arel::FactoryMethods - Included

#cast, #coalesce, #create_and, #create_false, #create_join, #create_on, #create_string_join, #create_table_alias, #create_true, #grouping,
#lower

Create a LOWER() function.

Constructor Details

.new(relation = nil) ⇒ UpdateStatement

[ GitHub ] 

  


# File 'activerecord/lib/arel/nodes/update_statement.rb', line 8



def initialize(relation = nil)
  super()
  @relation  = relation
  @wheres    = []
  @values    = []
  @groups    = []
  @havings   = []
  @orders    = []
  @limit     = nil
  @offset    = nil
  @comment   = nil
  @key       = nil
  @returning = []
end


  







Instance Attribute Details



  

    #comment   (rw)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/arel/nodes/update_statement.rb', line 6



attr_accessor :relation, :wheres, :values, :groups, :havings, :orders, :limit, :offset, :comment, :key, :returning


  








  

    #groups   (rw)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/arel/nodes/update_statement.rb', line 6



attr_accessor :relation, :wheres, :values, :groups, :havings, :orders, :limit, :offset, :comment, :key, :returning


  








  

    #havings   (rw)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/arel/nodes/update_statement.rb', line 6



attr_accessor :relation, :wheres, :values, :groups, :havings, :orders, :limit, :offset, :comment, :key, :returning


  








  

    #key   (rw)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/arel/nodes/update_statement.rb', line 6



attr_accessor :relation, :wheres, :values, :groups, :havings, :orders, :limit, :offset, :comment, :key, :returning


  








  

    #limit   (rw)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/arel/nodes/update_statement.rb', line 6



attr_accessor :relation, :wheres, :values, :groups, :havings, :orders, :limit, :offset, :comment, :key, :returning


  








  

    #offset   (rw)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/arel/nodes/update_statement.rb', line 6



attr_accessor :relation, :wheres, :values, :groups, :havings, :orders, :limit, :offset, :comment, :key, :returning


  








  

    #orders   (rw)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/arel/nodes/update_statement.rb', line 6



attr_accessor :relation, :wheres, :values, :groups, :havings, :orders, :limit, :offset, :comment, :key, :returning


  








  

    #relation   (rw)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/arel/nodes/update_statement.rb', line 6



attr_accessor :relation, :wheres, :values, :groups, :havings, :orders, :limit, :offset, :comment, :key, :returning


  








  

    #returning   (rw)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/arel/nodes/update_statement.rb', line 6



attr_accessor :relation, :wheres, :values, :groups, :havings, :orders, :limit, :offset, :comment, :key, :returning


  








  

    #values   (rw)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/arel/nodes/update_statement.rb', line 6



attr_accessor :relation, :wheres, :values, :groups, :havings, :orders, :limit, :offset, :comment, :key, :returning


  








  

    #wheres   (rw)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/arel/nodes/update_statement.rb', line 6



attr_accessor :relation, :wheres, :values, :groups, :havings, :orders, :limit, :offset, :comment, :key, :returning


  







Instance Method Details



  

    #==(other)  
  



  

    
Alias for #eql?.

  



  [ GitHub ]


  

  


# File 'activerecord/lib/arel/nodes/update_statement.rb', line 48



alias :== :eql?


  








  

    #eql?(other)  ⇒ Boolean 
    Also known as: #==
  



  

    
  





  


  [ GitHub ]


  

  


# File 'activerecord/lib/arel/nodes/update_statement.rb', line 34



def eql?(other)
  self.class == other.class &&
    self.relation == other.relation &&
    self.wheres == other.wheres &&
    self.values == other.values &&
    self.groups == other.groups &&
    self.havings == other.havings &&
    self.orders == other.orders &&
    self.limit == other.limit &&
    self.offset == other.offset &&
    self.comment == other.comment &&
    self.key == other.key &&
    self.returning == other.returning
end


  








  

    #hash  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/arel/nodes/update_statement.rb', line 30



def hash
  [@relation, @wheres, @values, @orders, @limit, @offset, @comment, @key, @returning].hash
end


  








  

    #initialize_copy(other)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/arel/nodes/update_statement.rb', line 23



def initialize_copy(other)
  super
  @wheres = @wheres.clone
  @values = @values.clone
  @returning = @returning.clone if @returning
end