{use $tableName, $fieldName, $propertyName}
$def->idProperty = new ezcPersistentObjectIdProperty;
$def->idProperty->columnName = '{$fieldName}';
$def->idProperty->propertyName = '{$propertyName}';
$def->idProperty->generator = new ezcPersistentGeneratorDefinition(
    'ezcPersistentSequenceGenerator',
    array( 'sequence' => '{$tableName}_{$fieldName}_seq' )
);