Module: ActiveRecord::ConnectionAdapters::PostgreSQLAdapter::ReferentialIntegrity

Included in:
ActiveRecord::ConnectionAdapters::PostgreSQLAdapter
Defined in:
activerecord/lib/active_record/connection_adapters/postgresql/referential_integrity.rb

Instance Method Summary collapse

Instance Method Details

#disable_referential_integrityObject

:nodoc:


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# File 'activerecord/lib/active_record/connection_adapters/postgresql/referential_integrity.rb', line 9

def disable_referential_integrity #:nodoc:
  if supports_disable_referential_integrity?
    begin
      execute(tables.collect { |name| "ALTER TABLE #{quote_table_name(name)} DISABLE TRIGGER ALL" }.join(";"))
    rescue
      execute(tables.collect { |name| "ALTER TABLE #{quote_table_name(name)} DISABLE TRIGGER USER" }.join(";"))
    end
  end
  yield
ensure
  if supports_disable_referential_integrity?
    begin
      execute(tables.collect { |name| "ALTER TABLE #{quote_table_name(name)} ENABLE TRIGGER ALL" }.join(";"))
    rescue
      execute(tables.collect { |name| "ALTER TABLE #{quote_table_name(name)} ENABLE TRIGGER USER" }.join(";"))
    end
  end
end

#supports_disable_referential_integrity?Boolean

:nodoc:

Returns:

  • (Boolean)

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# File 'activerecord/lib/active_record/connection_adapters/postgresql/referential_integrity.rb', line 5

def supports_disable_referential_integrity? #:nodoc:
  true
end