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Class: Arel::InsertManager

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

Class Method Summary

Instance Attribute Summary

TreeManager - Inherited

#ast

Instance Method Summary

TreeManager - Inherited

#initialize_copy, #to_dot, #to_sql

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(table = nil) ⇒ InsertManager

[ GitHub ] 

  


# File 'activerecord/lib/arel/insert_manager.rb', line 5



def initialize(table = nil)
  @ast = Nodes::InsertStatement.new(table)
end


  







Instance Attribute Details



  

    #values=(val)   (writeonly)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/arel/insert_manager.rb', line 15



def values=(val); @ast.values = val; end


  







Instance Method Details



  

    #columns  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/arel/insert_manager.rb', line 14



def columns; @ast.columns end


  








  

    #create_values(values)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/arel/insert_manager.rb', line 40



def create_values(values)
  Nodes::ValuesList.new([values])
end


  








  

    #create_values_list(rows)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/arel/insert_manager.rb', line 44



def create_values_list(rows)
  Nodes::ValuesList.new(rows)
end


  








  

    #insert(fields)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/arel/insert_manager.rb', line 21



def insert(fields)
  return if fields.empty?

  if String === fields
    @ast.values = Nodes::SqlLiteral.new(fields)
  else
    @ast.relation ||= fields.first.first.relation

    values = []

    fields.each do |column, value|
      @ast.columns << column
      values << value
    end
    @ast.values = create_values(values)
  end
  self
end


  








  

    #into(table)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/arel/insert_manager.rb', line 9



def into(table)
  @ast.relation = table
  self
end


  








  

    #select(select)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/arel/insert_manager.rb', line 17



def select(select)
  @ast.select = select
end