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Class: ActiveRecord::ConnectionAdapters::PostgreSQL::AlterTable

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

Overview

Active Record PostgreSQL Adapter Alter Table

Class Method Summary

::ActiveRecord::ConnectionAdapters::AlterTable - Inherited

.new

Instance Attribute Summary

::ActiveRecord::ConnectionAdapters::AlterTable - Inherited

#adds, #check_constraint_adds, #check_constraint_drops, #foreign_key_adds, #foreign_key_drops

Instance Method Summary

::ActiveRecord::ConnectionAdapters::AlterTable - Inherited

#add_check_constraint, #add_column, #add_foreign_key, #drop_check_constraint, #drop_foreign_key, #name

Constructor Details

.new(td) ⇒ AlterTable

[ GitHub ] 

  


# File 'activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb', line 363



def initialize(td)
  super
  @constraint_validations = []
  @exclusion_constraint_adds = []
  @exclusion_constraint_drops = []
  @unique_constraint_adds = []
  @unique_constraint_drops = []
end


  







Instance Attribute Details



  

    #constraint_validations   (readonly)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb', line 361



attr_reader :constraint_validations, :exclusion_constraint_adds, :exclusion_constraint_drops, :unique_constraint_adds, :unique_constraint_drops


  








  

    #exclusion_constraint_adds   (readonly)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb', line 361



attr_reader :constraint_validations, :exclusion_constraint_adds, :exclusion_constraint_drops, :unique_constraint_adds, :unique_constraint_drops


  








  

    #exclusion_constraint_drops   (readonly)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb', line 361



attr_reader :constraint_validations, :exclusion_constraint_adds, :exclusion_constraint_drops, :unique_constraint_adds, :unique_constraint_drops


  








  

    #unique_constraint_adds   (readonly)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb', line 361



attr_reader :constraint_validations, :exclusion_constraint_adds, :exclusion_constraint_drops, :unique_constraint_adds, :unique_constraint_drops


  








  

    #unique_constraint_drops   (readonly)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb', line 361



attr_reader :constraint_validations, :exclusion_constraint_adds, :exclusion_constraint_drops, :unique_constraint_adds, :unique_constraint_drops


  







Instance Method Details



  

    #add_exclusion_constraint(expression, options)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb', line 376



def add_exclusion_constraint(expression, options)
  @exclusion_constraint_adds << @td.new_exclusion_constraint_definition(expression, options)
end


  








  

    #add_unique_constraint(column_name, options)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb', line 384



def add_unique_constraint(column_name, options)
  @unique_constraint_adds << @td.new_unique_constraint_definition(column_name, options)
end


  








  

    #drop_exclusion_constraint(constraint_name)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb', line 380



def drop_exclusion_constraint(constraint_name)
  @exclusion_constraint_drops << constraint_name
end


  








  

    #drop_unique_constraint(unique_constraint_name)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb', line 388



def drop_unique_constraint(unique_constraint_name)
  @unique_constraint_drops << unique_constraint_name
end


  








  

    #validate_constraint(name)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb', line 372



def validate_constraint(name)
  @constraint_validations << name
end