src/Neutrino/Model.php
public function initialize()
    {
        static::$metaDatasClass[static::class] = [
            MetaData::MODELS_ATTRIBUTES               => [],
            MetaData::MODELS_PRIMARY_KEY              => [],
            MetaData::MODELS_NON_PRIMARY_KEY          => [],
            MetaData::MODELS_NOT_NULL                 => [],
            MetaData::MODELS_DATA_TYPES               => [],
            MetaData::MODELS_DATA_TYPES_NUMERIC       => [],
            MetaData::MODELS_DATE_AT                  => [],
            MetaData::MODELS_DATE_IN                  => [],
            MetaData::MODELS_IDENTITY_COLUMN          => false,
            MetaData::MODELS_DATA_TYPES_BIND          => [],
            MetaData::MODELS_AUTOMATIC_DEFAULT_INSERT => [],
            MetaData::MODELS_AUTOMATIC_DEFAULT_UPDATE => [],
            MetaData::MODELS_DEFAULT_VALUES           => [],
            MetaData::MODELS_EMPTY_STRING_VALUES      => []
        ];
    }
public function initialize()
    {
        static::$metaDatasClass[static::class] = [
            MetaData::MODELS_ATTRIBUTES               => [],
            MetaData::MODELS_PRIMARY_KEY              => [],
            MetaData::MODELS_NON_PRIMARY_KEY          => [],
            MetaData::MODELS_NOT_NULL                 => [],
            MetaData::MODELS_DATA_TYPES               => [],
            MetaData::MODELS_DATA_TYPES_NUMERIC       => [],
            MetaData::MODELS_DATE_AT                  => [],
            MetaData::MODELS_DATE_IN                  => [],
            MetaData::MODELS_IDENTITY_COLUMN          => false,
            MetaData::MODELS_DATA_TYPES_BIND          => [],
            MetaData::MODELS_AUTOMATIC_DEFAULT_INSERT => [],
            MetaData::MODELS_AUTOMATIC_DEFAULT_UPDATE => [],
            MetaData::MODELS_DEFAULT_VALUES           => [],
            MetaData::MODELS_EMPTY_STRING_VALUES      => []
        ];
    }
Initializes metaDatas & columnsMap if they are not.