The language must be among those returned by getSupportedQueryLanguages
Implementors: Expose all information required by the transport layers to
execute the query with getters.
array(
row 1
array(
column1
array('dcr:name' => 'value1',
'dcr:value' => 'value2',
'dcr:selectorName' => 'value3' //optional
),
column 2...
),
row 2
array(...
)