Guilherme Blanco
2642daa438
Fixed DDC-1236: GROUP BY now supports ResultVariable and IdentificationVariable. Composite PK is also supported. If you are willing to group by an aggregate function or a function itself, just place it in SELECT expression then refer to it in the GROUP BY clause. If you are not willing to have the function being part of your resultset, just mark the column as HIDDEN and you are done.
Doctrine 2 ORM
Doctrine 2 is an object-relational mapper (ORM) for PHP 5.3.2+ that provides transparent persistence for PHP objects. It sits on top of a powerful database abstraction layer (DBAL). One of its key features is the option to write database queries in a proprietary object oriented SQL dialect called Doctrine Query Language (DQL), inspired by Hibernates HQL. This provides developers with a powerful alternative to SQL that maintains flexibility without requiring unnecessary code duplication.
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