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Class: ActiveRecord::ConnectionAdapters::ColumnDefinition

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, ::Struct
Instance Chain:
self, ::Struct
Inherits: Struct
Defined in: activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb

Overview

Abstract representation of a column definition. Instances of this type are typically created by methods in TableDefinition, and added to the columns attribute of said TableDefinition object, in order to be used for generating a number of table creation or table changing SQL statements.

Instance Attribute Summary

  • #primary_key? ⇒ Boolean readonly
  • #cast_type rw Internal use only

    Abstract representation of a column definition.

  • #name rw Internal use only

    Abstract representation of a column definition.

  • #options rw Internal use only

    Abstract representation of a column definition.

  • #sql_type rw Internal use only

    Abstract representation of a column definition.

  • #type rw Internal use only

    Abstract representation of a column definition.

Instance Method Summary

::Struct - Inherited

#as_json

Instance Attribute Details

#cast_type (rw)

This method is for internal use only.

Abstract representation of a column definition. Instances of this type are typically created by methods in TableDefinition, and added to the columns attribute of said TableDefinition object, in order to be used for generating a number of table creation or table changing SQL statements.

[ GitHub ] 

  


# File 'activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb', line 78



ColumnDefinition = Struct.new(:name, :type, :options, :sql_type, :cast_type)


  








  

    #name   (rw)
  

  

    This method is for internal use only.
  



  

    

Abstract representation of a column definition. Instances of this type are typically created by methods in TableDefinition, and added to the columns attribute of said TableDefinition object, in order to be used for generating a number of table creation or table changing SQL statements.


  



  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb', line 78



ColumnDefinition = Struct.new(:name, :type, :options, :sql_type, :cast_type)


  








  

    #options   (rw)
  

  

    This method is for internal use only.
  



  

    

Abstract representation of a column definition. Instances of this type are typically created by methods in TableDefinition, and added to the columns attribute of said TableDefinition object, in order to be used for generating a number of table creation or table changing SQL statements.


  



  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb', line 78



ColumnDefinition = Struct.new(:name, :type, :options, :sql_type, :cast_type)


  








  

    #primary_key?  ⇒ Boolean  (readonly)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb', line 92



def primary_key?
  options[:primary_key]
end


  








  

    #sql_type   (rw)
  

  

    This method is for internal use only.
  



  

    

Abstract representation of a column definition. Instances of this type are typically created by methods in TableDefinition, and added to the columns attribute of said TableDefinition object, in order to be used for generating a number of table creation or table changing SQL statements.


  



  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb', line 78



ColumnDefinition = Struct.new(:name, :type, :options, :sql_type, :cast_type)


  








  

    #type   (rw)
  

  

    This method is for internal use only.
  



  

    

Abstract representation of a column definition. Instances of this type are typically created by methods in TableDefinition, and added to the columns attribute of said TableDefinition object, in order to be used for generating a number of table creation or table changing SQL statements.


  



  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb', line 78



ColumnDefinition = Struct.new(:name, :type, :options, :sql_type, :cast_type)


  







Instance Method Details



  

    #aliased_types(name, fallback)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb', line 108



def aliased_types(name, fallback)
  "timestamp" == name ? :datetime : fallback
end


  








  

    #fetch_cast_type(connection)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb', line 112



def fetch_cast_type(connection)
  cast_type
end