I am working on a module which creates an xml feed for a price comparison engine. I need in there to pull only the hidden image of the products that exist in the xml. All products have one hidden image.

I have this code:

public function getMediaGallery(array $productIds)
        if (empty($productIds)) {
            return [];

        $productEntityJoinField = $this->getProductEntityLinkField();

        $select = $this->_connection->select()->from(
            ['mgvte' => $this->_resourceModel->getTableName('catalog_product_entity')],
            ['mg' => $this->_resourceModel->getTableName('catalog_product_entity_media_gallery_value_to_entity')],
            '(mg.row_id = mgvte.row_id)',
            ['mgg' => $this->_resourceModel->getTableName('catalog_product_entity_media_gallery')],
            '(mg.value_id = mgg.value_id)',
                'filename' => 'mgg.value'
            ['mgv' => $this->_resourceModel->getTableName('catalog_product_entity_media_gallery_value')],
            "(mg.value_id = mgv.value_id)",
            "mgvte.entity_id IN (?)",
            ->where("mgv.disabled =?", 1);

        $rowMediaGallery = [];
        $stmt = $this->_connection->query($select);
        while ($mediaRow = $stmt->fetch()) {
            $rowMediaGallery[$mediaRow[$productEntityJoinField]][] = [
                '_media_attribute_id' => $mediaRow['attribute_id'],
                '_media_image' => $mediaRow['filename'],
                '_media_label' => $mediaRow['label'],
                '_media_position' => $mediaRow['position'],
                '_media_is_disabled' => $mediaRow['disabled'],
                '_media_store_id' => $mediaRow['store_id'],

        return $rowMediaGallery;

But it isn't working as expected. I get wrong images in the xml.

With this code I call this query:

SELECT `mgvte`.`row_id`, `mgvte`.`entity_id`, `mg`.`value_id`, `mgg`.`value_id`, `mgg`.`attribute_id`, `mgg`.`value` AS `filename`, `mgv`.`label`, `mgv`.`position`, `mgv`.`disabled`, `mgv`.`store_id` FROM `catalog_product_entity` AS `mgvte`
 LEFT JOIN `catalog_product_entity_media_gallery_value_to_entity` AS `mg` ON (mg.row_id = mgvte.row_id)
 LEFT JOIN `catalog_product_entity_media_gallery` AS `mgg` ON (mg.value_id = mgg.value_id)
 LEFT JOIN `catalog_product_entity_media_gallery_value` AS `mgv` ON (mg.value_id = mgv.value_id) WHERE ((mgvte.entity_id IN (31491)) AND (mgv.disabled =1)) AND (mgvte.created_in <= '1556754420') AND (mgvte.updated_in > '1556754420') LIMIT 1

When I run this in database I get the right result.

But I can't get it in the xml.

Any help please?

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