integer MODELS_COLUMN_MAP

integer MODELS_NON_PRIMARY_KEY

integer MODELS_ATTRIBUTES

integer MODELS_DATE_AT

public mixed read (string $key) Reads meta-data from files

integer MODELS_AUTOMATIC_DEFAULT_UPDATE

integer MODELS_EMPTY_STRING_VALUES

public write (string $key, array $data) Writes the meta-data to files

integer MODELS_IDENTITY_COLUMN

integer MODELS_AUTOMATIC_DEFAULT_INSERT