public getNotNullAttributes (Phalcon\Mvc\ModelInterface $model) Returns an array of not null attributes print_r($metaData->getNotNullAttributes(new Robots()));

public getNonPrimaryKeyAttributes (Phalcon\Mvc\ModelInterface $model) Returns an array of fields which are not part of the primary key print_r($metaData->getNonPrimaryKeyAttributes(new Robots()));

public getPrimaryKeyAttributes (Phalcon\Mvc\ModelInterface $model) Returns an array of fields which are part of the primary key print_r($metaData->getPrimaryKeyAttributes(new Robots()));

public getReverseColumnMap (Phalcon\Mvc\ModelInterface $model) Returns the reverse column map if any print_r($metaData->getReverseColumnMap(new Robots()));

public string getIdentityField (Phalcon\Mvc\ModelInterface $model) Returns the name of identity field (if one is present) print_r($metaData->getIdentityField(new Robots()));

public getDataTypes (Phalcon\Mvc\ModelInterface $model) Returns attributes and their data types print_r($metaData->getDataTypes(new Robots()));

public getDefaultValues (Phalcon\Mvc\ModelInterface $model) Returns attributes (which have default values) and their default values print_r($metaData->getDefaultValues(new Robots()));

public getDI () Returns the DependencyInjector container

public getDataTypesNumeric (Phalcon\Mvc\ModelInterface $model) Returns attributes which types are numerical print_r($metaData->getDataTypesNumeric(new Robots()));

public getEmptyStringAttributes (Phalcon\Mvc\ModelInterface $model) Returns attributes allow empty strings print_r($metaData->getEmptyStringAttributes(new Robots()));