mage2 cannot gather stats product

cannotGatherStats.php

<?php 
	if($argc == 2){
		$db['db_host'] = '127.0.0.1';
		$db['db_username'] = 'username';
		$db['db_password'] = 'password';
		$db['db_databaseName'] = 'db';
		$db['db_port'] = '3306'; // This is default MySql port, you can change it if needed
		foreach ($db as $key => $value) {
	    	define(strtoupper($key), $value);
		}
		$connection = mysqli_connect(DB_HOST, DB_USERNAME, DB_PASSWORD, DB_DATABASENAME, DB_PORT);
		if($connection)
			echo "Connected to database.\n";
		else
			echo "Error connecting to database.\n";
		
		$sku = $argv[1];
		$hitResults = [];
		$i = 0;
		$query = "SELECT * FROM catalog_product_entity ent LEFT JOIN catalog_product_entity_media_gallery_value val ON ( val.entity_id = ent.entity_id ) LEFT JOIN catalog_product_entity_media_gallery gal ON ( gal.value_id = val.value_id ) WHERE ent.sku =  '{$sku}' ";
		$getResults = mysqli_query($connection,$query);
		while($row = mysqli_fetch_assoc($getResults)){
			$hitResults[$i] = $row['value_id'];
			$i++;
		}
		foreach ($hitResults as $imgValue) {
			$query = "DELETE FROM catalog_product_entity_media_gallery WHERE value_id = '{$imgValue}'";
			$deleteImgValue = mysqli_query($connection,$query);
			if($deleteImgValue){
				echo "value_id {$imgValue} for {$sku} deleted.\n";
			} else {
				echo "Error deleting value_id {$imgValue} for {$sku} \n";
			}
		}
	} else {
		die("Fatal error. You have to pass product sku as parameter\n");
	}