ms2 вывод уникальных производителей

vendor.tpl

{set $parents = '!pdoResources' | snippet: [
    'returnIds' => 1,
    'parents' => 9,
    'depth'=> 15,
    'limit' => 0,
    'where' => [
        'class_key' => 'msCategory'
    ]

]}
{set $parentsArr = $parents | split}
{'!pdoResources' | snippet: [
    'class' => 'msVendor',
    'sortby' => 'id',
    'leftJoin' => [
        'Data' => [
            'class' => 'msProductData',
            'on' => 'Data.vendor = msVendor.id'
        ],
        'modResource' => [
            'class' => 'modResource',
            'on' => 'Data.id = modResource.id'
        ]
    ],
    'select' => 'msVendor.id, msVendor.name, Data.id as resourceId, modResource.parent',
    'groupby' => 'msVendor.id',
    'tpl' => 'test1',
    'where' => [
        'modResource.parent:IN' => $parentsArr,
    ],
]}