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

Relationships & Source Files
Inherits: ActiveRecord::ConnectionAdapters::AlterTable
  • ::Object
Defined in: activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb

Overview

Active Record PostgreSQL Adapter Alter Table

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(td) ⇒ AlterTable

[ GitHub ] 

  


# File 'activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb', line 341



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 339



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 339



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 339



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 339



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 339



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 354



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 362



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 358



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 366



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 350



def validate_constraint(name)
  @constraint_validations << name
end