Работа с pear-Structures_DataGrid-0.6.3 - не выполняется даже пример из документации

Kest

Новичок
Работа с pear-Structures_DataGrid-0.6.3 - не выполняется даже пример из документации

ОС - FreeBSD
версия Apache 2.2.3
версия php5 5.1.6_3
(ставилось из портов)
из портов поставлен pear Stuctures DataGrid
который по зависимостям поставил также вот это:
pear-1.5.0_1 PEAR framework for PHP
pear-Benchmark-1.2.6 PEAR framework to benchmark PHP scripts or function calls
pear-Console_Table-1.0.5 PHP class that makes it easy to build console style tables
pear-DB-1.7.9,1 PEAR Database Abstraction Layer
pear-DB_DataObject-1.8.4 An SQL Builder, Object Interface to Database Tables
pear-DB_QueryTool-1.0.3 PEAR OO-interface for easily retrieving and modifying data
pear-DB_Table-1.4.0 PEAR object-oriented interface to a database table
pear-Date-1.4.7 PEAR Date and Time Zone Classes
pear-HTML_Common-1.2.3 PEAR::HTML_Common is a base class for other HTML classes
pear-HTML_QuickForm-3.2.7 Provide methods for creating, validating and processing HTM
pear-HTML_QuickForm_Controller-1.0.7 The add-on to HTML_QuickForm that allows building of multip
pear-HTML_Table-1.7.5 Makes the design of HTML tables easy, flexible, reusable an
pear-Log-1.9.10 PEAR logging utilities
pear-MDB2-2.3.0 PEAR database abstraction layer
pear-MDB2_Driver_pgsql-1.3.0 PEAR pgsql MDB2 driver
pear-OLE-0.5 PEAR class for reading and writing OLE containers
pear-Pager-2.3.4 PEAR data paging class
pear-Spreadsheet_Excel_Writer-0.9.1 PEAR class for writing Microsoft Excel files
pear-Structures_DataGrid-0.6.3 Simple HTML data structure package
pear-Validate-0.6.5 PEAR Validation class
pear-XML_Parser-1.2.8 PEAR XML parsing class based on PHP's bundled expat
pear-XML_RSS-0.9.2_1 PEAR RSS parser
pear-XML_Serializer-0.18.0 PEAR Swiss-army knive for reading and writing XML files
pear-XML_Tree-1.1_2 PEAR class for representing XML data in a tree structure
pear-XML_Util-1.1.4 PEAR XML utility class
пытаюсь выполнить первый же пример из документации:
http://pear.php.net/manual/en/package.structures.structures-datagrid.example-simple.php
Example 57-1. Using an SQL query as datasource

падаем с сообщением об ошибке:

Warning: Unknown class passed as parameter in /usr/local/share/pear/Structures/DataGrid/DataSource.php on line 365
Unable to determine the data source type. You may want to explicitly specify it.


если в тексте примера поменять $options = array('dsn' => 'mysql://user:password@host/db_name'); на
$options = array('dsn' => 'pgsql://realuser:realpassword@realhost/real_db_name');
не меняется ровным счетом ничего
=(((
куда копать?
 
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