MySQL server has gone away<hr>SELECT 	GROUP_CONCAT(p.filename) as big_photos,
																GROUP_CONCAT(webp_filename) as big_webp, 
																GROUP_CONCAT(webp_thumbnail) as small_webp, 
																GROUP_CONCAT(thumbnail) as small_photos,
																GROUP_CONCAT(v.filename) as videos,
																d.*, 
																DATE(add_time) as pubDate,
											CONCAT(
												DATE_FORMAT(add_time,&quot;%d&quot;) ,&quot; &quot;,
												ELT( MONTH ( add_time ), &quot;Января&quot;,&quot;Февраля&quot;,&quot;Марта&quot;,&quot;Апреля&quot;,&quot;Мая&quot;,&quot;Июня&quot;,&quot;Июля&quot;,&quot;Августа&quot;,&quot;Сентября&quot;,&quot;Октября&quot;,&quot;Ноября&quot;,&quot;Декабря&quot;),&quot;, &quot;,
												DATE_FORMAT(add_time,&quot;%H:%i&quot;)
											) as add_time_str
											FROM SC_discussions d
											LEFT JOIN SC_discussions_photo p ON p.disID = d.DID 
											LEFT JOIN SC_discussions_video v ON v.disID = d.DID 
											WHERE d.public = 1 AND productID= 15954											
											GROUP BY DID
											ORDER BY d.add_time DESC
											LIMIT 20