Module: PolymorphicConstraints::ConnectionAdapters::PostgreSQLAdapter

Includes:
Utils::PolymorphicModelFinder, Utils::SqlString
Defined in:
lib/polymorphic_constraints/connection_adapters/postgresql_adapter.rb

Instance Method Summary collapse

Methods included from Utils::PolymorphicModelFinder

#get_polymorphic_models

Methods included from Utils::SqlString

#strip_non_essential_spaces

Instance Method Details

#add_polymorphic_constraints(relation, associated_table, options = {}) ⇒ Object Also known as: update_polymorphic_constraints 



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# File 'lib/polymorphic_constraints/connection_adapters/postgresql_adapter.rb', line 15

def add_polymorphic_constraints(relation, associated_table, options = {})
  polymorphic_models = options.fetch(:polymorphic_models) { get_polymorphic_models(relation) }

  statements = []
  statements << drop_constraints(relation)
  statements << generate_upsert_constraints(relation, associated_table, polymorphic_models)
  statements << generate_delete_constraints(relation, associated_table, polymorphic_models)

  statements.each { |statement| execute statement }
end

#remove_polymorphic_constraints(relation) ⇒ Object 



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# File 'lib/polymorphic_constraints/connection_adapters/postgresql_adapter.rb', line 26

def remove_polymorphic_constraints(relation)
  statement = drop_constraints(relation)
  execute statement
end

#supports_polymorphic_constraints? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/polymorphic_constraints/connection_adapters/postgresql_adapter.rb', line 11

def supports_polymorphic_constraints?
  true
end