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Class: ActiveRecord::ConnectionAdapters::SQLite3::Column

Do not use. This class is for internal use only.
Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, ::ActiveRecord::ConnectionAdapters::Column
Instance Chain:
self, ::ActiveRecord::ConnectionAdapters::Column, ::ActiveRecord::ConnectionAdapters::Deduplicable
Inherits: ActiveRecord::ConnectionAdapters::Column
Defined in: activerecord/lib/active_record/connection_adapters/sqlite3/column.rb

Class Method Summary

::ActiveRecord::ConnectionAdapters::Column - Inherited

.new

Instantiates a new column in the table.

Instance Attribute Summary

::ActiveRecord::ConnectionAdapters::Column - Inherited

#limit, #precision, #scale, #sql_type, #type,
#auto_incremented_by_db?

whether the column is auto-populated by the database using a sequence.
#auto_populated?, #bigint?, #collation, #comment, #default, #default_function, #has_default?, #name, #null, #sql_type_metadata, #virtual?

Instance Method Summary

::ActiveRecord::ConnectionAdapters::Column - Inherited

#==, #encode_with,
#eql?

Alias for Column#==.
#hash,
#human_name

Returns the human name of the column name.
#init_with, #deduplicated

::ActiveRecord::ConnectionAdapters::Deduplicable - Included

#-@

Alias for Deduplicable#deduplicate.
#deduplicate, #deduplicated

Constructor Details

.new(auto_increment: nil, rowid: false, generated_type: nil) ⇒ Column

[ GitHub ] 

  


# File 'activerecord/lib/active_record/connection_adapters/sqlite3/column.rb', line 9



def initialize(*, auto_increment: nil, rowid: false, generated_type: nil, **)
  super
  @auto_increment = auto_increment
  @rowid = rowid
  @generated_type = generated_type
end


  







Instance Attribute Details



  

    #auto_increment?  ⇒ Boolean  (readonly)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/sqlite3/column.rb', line 16



def auto_increment?
  @auto_increment
end


  








  

    #auto_incremented_by_db?  ⇒ Boolean  (readonly)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/sqlite3/column.rb', line 20



def auto_incremented_by_db?
  auto_increment? || rowid
end


  








  

    #has_default?  ⇒ Boolean  (readonly)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/sqlite3/column.rb', line 32



def has_default?
  super && !virtual?
end


  








  

    #rowid   (readonly)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/sqlite3/column.rb', line 7



attr_reader :rowid


  








  

    #virtual?  ⇒ Boolean  (readonly)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/sqlite3/column.rb', line 24



def virtual?
  !@generated_type.nil?
end


  








  

    #virtual_stored?  ⇒ Boolean  (readonly)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/sqlite3/column.rb', line 28



def virtual_stored?
  virtual? && @generated_type == :stored
end


  







Instance Method Details



  

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

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/sqlite3/column.rb', line 46



def ==(other)
  other.is_a?(Column) &&
    super &&
    auto_increment? == other.auto_increment?
end


  








  

    #encode_with(coder)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/sqlite3/column.rb', line 41



def encode_with(coder)
  coder["auto_increment"] = @auto_increment
  super
end


  








  

    #eql?(other)  
  



  

    

Alias for #==.


  



  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/sqlite3/column.rb', line 51



alias :eql? :==


  








  

    #hash  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/sqlite3/column.rb', line 53



def hash
  Column.hash ^
    super.hash ^
    auto_increment?.hash ^
    rowid.hash
end


  








  

    #init_with(coder)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/sqlite3/column.rb', line 36



def init_with(coder)
  @auto_increment = coder["auto_increment"]
  super
end