installEntities(); $installer->startSetup(); $installer->run(" DROP TABLE IF EXISTS {$this->getTable('sales_invoice_entity_varchar')}; DROP TABLE IF EXISTS {$this->getTable('sales_invoice_entity_int')}; DROP TABLE IF EXISTS {$this->getTable('sales_invoice_entity_decimal')}; DROP TABLE IF EXISTS {$this->getTable('sales_invoice_entity_datetime')}; DROP TABLE IF EXISTS {$this->getTable('sales_invoice_entity_text')}; DROP TABLE IF EXISTS {$this->getTable('sales_invoice_entity')}; "); $installer->endSetup();