| No. | 
				time | 
				query | 
			
							
					| 1 | 
					0.001947 | 
					
						 connect 
											 | 
				
							
					| 2 | 
					0.000687 | 
					
						 DESCRIBE `station` 
											 | 
				
							
					| 3 | 
					0.000387 | 
					
						 SELECT `s`.* FROM `station` AS `s` WHERE (s.id = '2911') LIMIT 1 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										s | 
										
											const										 | 
										PRIMARY | 
										PRIMARY | 
										4 | 
										const | 
										1 | 
										 | 
									 
															 
											 | 
				
							
					| 4 | 
					0.000567 | 
					
						 DESCRIBE `summary_count_school` 
											 | 
				
							
					| 5 | 
					0.001047 | 
					
						 SELECT `s_c_s`.* FROM `summary_count_school` AS `s_c_s` WHERE (s_c_s.is_latest = 1) AND (s_c_s.category_id IN (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)) AND (s_c_s.prefecture_id = 0) AND (s_c_s.city_id = 0) AND (s_c_s.station_id = '2911') AND (s_c_s.station_unit_id = 0) AND (s_c_s.major_city_id = 0) AND (s_c_s.count > 0) 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										s_c_s | 
										
											range										 | 
										multi | 
										multi | 
										28 | 
										 | 
										17 | 
										Using index condition; Using where | 
									 
															 
											 | 
				
							
					| 6 | 
					0.000367 | 
					
						 SELECT `s`.* FROM `station` AS `s` WHERE (s.id = '2911') LIMIT 1 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										s | 
										
											const										 | 
										PRIMARY | 
										PRIMARY | 
										4 | 
										const | 
										1 | 
										 | 
									 
															 
											 | 
				
							
					| 7 | 
					0.000617 | 
					
						 DESCRIBE `city` 
											 | 
				
							
					| 8 | 
					0.000357 | 
					
						 SELECT `c`.* FROM `city` AS `c` WHERE (c.id = '1448') LIMIT 1 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										c | 
										
											const										 | 
										PRIMARY | 
										PRIMARY | 
										4 | 
										const | 
										1 | 
										 | 
									 
															 
											 | 
				
							
					| 9 | 
					0.000507 | 
					
						 DESCRIBE `prefecture` 
											 | 
				
							
					| 10 | 
					0.000387 | 
					
						 SELECT `p`.* FROM `prefecture` AS `p` WHERE (p.id = '27') LIMIT 1 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										p | 
										
											const										 | 
										PRIMARY | 
										PRIMARY | 
										4 | 
										const | 
										1 | 
										 | 
									 
															 
											 | 
				
							
					| 11 | 
					0.000527 | 
					
						 DESCRIBE `station_unit` 
											 | 
				
							
					| 12 | 
					0.000387 | 
					
						 SELECT `s_s`.* FROM `station_unit` AS `s_s` WHERE (s_s.prefecture_id = '27') 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										s_s | 
										
											ref										 | 
										prefecture_id | 
										prefecture_id | 
										4 | 
										const | 
										2 | 
										 | 
									 
															 
											 | 
				
							
					| 13 | 
					0.000477 | 
					
						 SELECT `s_c_s`.* FROM `summary_count_school` AS `s_c_s` WHERE (s_c_s.is_latest = 1) AND (s_c_s.category_id = 0) AND (s_c_s.prefecture_id = 0) AND (s_c_s.city_id = 0) AND (s_c_s.station_id = 0) AND (s_c_s.station_unit_id IN ('12', '13')) AND (s_c_s.major_city_id = 0) AND (s_c_s.count > 0) 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										s_c_s | 
										
											range										 | 
										multi | 
										multi | 
										28 | 
										 | 
										2 | 
										Using index condition; Using where | 
									 
															 
											 | 
				
							
					| 14 | 
					0.000517 | 
					
						 DESCRIBE `major_city` 
											 | 
				
							
					| 15 | 
					0.000367 | 
					
						 SELECT `m_c`.* FROM `major_city` AS `m_c` WHERE (m_c.prefecture_id = '27') 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										m_c | 
										
											ref										 | 
										prefecture_id | 
										prefecture_id | 
										4 | 
										const | 
										1 | 
										 | 
									 
															 
											 | 
				
							
					| 16 | 
					0.000767 | 
					
						 DESCRIBE `school` 
											 | 
				
							
					| 17 | 
					0.000547 | 
					
						 DESCRIBE `school_station` 
											 | 
				
							
					| 18 | 
					0.000447 | 
					
						 SELECT `s_s`.* FROM `school_station` AS `s_s` WHERE (s_s.station_id = '2911') 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										s_s | 
										
											ref										 | 
										station_id | 
										station_id | 
										4 | 
										const | 
										11 | 
										 | 
									 
															 
											 | 
				
							
					| 19 | 
					0.000467 | 
					
						 SELECT COUNT(1) AS `zend_paginator_row_count` FROM `school` AS `s` WHERE (s.registration_status = 1) AND (s.is_opening = 1) AND (s.id IN ('3013231', '3014854', '3013751', '3013752', '3014222', '3015152', '3015061', '3016105', '3016007', '3015474', '3016305')) 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										s | 
										
											range										 | 
										PRIMARY | 
										PRIMARY | 
										4 | 
										 | 
										11 | 
										Using where | 
									 
															 
											 | 
				
							
					| 20 | 
					0.000677 | 
					
						 SELECT `s`.* FROM `school` AS `s` WHERE (s.registration_status = 1) AND (s.is_opening = 1) AND (s.id IN ('3013231', '3014854', '3013751', '3013752', '3014222', '3015152', '3015061', '3016105', '3016007', '3015474', '3016305')) ORDER BY `s`.`is_charged` DESC, `s`.`score` DESC LIMIT 20 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										s | 
										
											range										 | 
										PRIMARY | 
										PRIMARY | 
										4 | 
										 | 
										11 | 
										Using where; Using filesort | 
									 
															 
											 | 
				
							
					| 21 | 
					0.000417 | 
					
						 SELECT `c`.* FROM `city` AS `c` WHERE (c.id IN ('1458', '1458', '1448', '1448', '1448', '1448', '1448', '1448', '1448')) 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										c | 
										
											range										 | 
										PRIMARY | 
										PRIMARY | 
										4 | 
										 | 
										2 | 
										Using where | 
									 
															 
											 | 
				
							
					| 22 | 
					0.000457 | 
					
						 SELECT `p`.* FROM `prefecture` AS `p` 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										p | 
										
											ALL										 | 
										 | 
										 | 
										 | 
										 | 
										47 | 
										 | 
									 
															 
											 | 
				
							
					| 23 | 
					0.000997 | 
					
						 SELECT `s_s`.* FROM `school_station` AS `s_s` WHERE (s_s.school_id IN ('3015152', '3014222', '3015474', '3016007', '3016305', '3013751', '3013752', '3016105', '3014854')) 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										s_s | 
										
											range										 | 
										school_id | 
										school_id | 
										4 | 
										 | 
										77 | 
										Using index condition | 
									 
															 
											 | 
				
							
					| 24 | 
					0.000597 | 
					
						 DESCRIBE `station_station_unit` 
											 | 
				
							
					| 25 | 
					0.000477 | 
					
						 SELECT `s_s_s`.* FROM `station_station_unit` AS `s_s_s` WHERE (s_s_s.station_id IN ('8165', '2911', '2909', '2910', '8165', '2909', '2911', '2910', '2909', '2911', '3200', '8165', '2911', '2910', '2909', '8165', '2912', '2913', '8231', '2914', '8194', '2910', '2909', '2911', '3200', '8165', '5753', '8194', '2909', '2910', '2911', '2912', '2913', '2914', '8165', '8166', '8223', '8231', '8232', '8233', '2909', '2910', '2911', '2912', '2913', '2914', '8148', '8165', '8166', '8223', '8231', '8232', '8233', '8234', '2909', '2910', '2911', '3200', '3212', '5753', '5754', '8148', '8165', '8166', '8223', '8224', '2909', '2910', '2911', '3200', '3212', '5753', '5754', '8148', '8165', '8166', '8223')) 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										s_s_s | 
										
											ALL										 | 
										station_id | 
										 | 
										 | 
										 | 
										46 | 
										Using where | 
									 
															 
											 | 
				
							
					| 26 | 
					0.000347 | 
					
						 SELECT `s_s`.* FROM `station_unit` AS `s_s` WHERE (s_s.id IN ('13', '13', '13', '13', '13', '13', '13', '13')) 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										s_s | 
										
											range										 | 
										PRIMARY | 
										PRIMARY | 
										4 | 
										 | 
										1 | 
										Using where | 
									 
															 
											 | 
				
							
					| 27 | 
					0.000757 | 
					
						 DESCRIBE `city_major_city` 
											 | 
				
							
					| 28 | 
					0.000387 | 
					
						 SELECT `c_m_c`.* FROM `city_major_city` AS `c_m_c` WHERE (c_m_c.city_id IN ('1458', '1458', '1448', '1448', '1448', '1448', '1448', '1448', '1448')) 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										c_m_c | 
										
											range										 | 
										city_id | 
										city_id | 
										4 | 
										 | 
										2 | 
										Using index condition | 
									 
															 
											 | 
				
							
					| 29 | 
					0.000597 | 
					
						 SELECT `s_s`.* FROM `school_station` AS `s_s` WHERE (s_s.school_id IN ('3015152', '3014222', '3015474', '3016007', '3016305', '3013751', '3013752', '3016105', '3014854')) 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										s_s | 
										
											range										 | 
										school_id | 
										school_id | 
										4 | 
										 | 
										77 | 
										Using index condition | 
									 
															 
											 | 
				
							
					| 30 | 
					0.000507 | 
					
						 SELECT `s`.* FROM `station` AS `s` WHERE (s.id IN ('8165', '8165', '2909', '2911', '2910', '8165', '8165', '8166', '5753')) GROUP BY `s`.`id` 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										s | 
										
											range										 | 
										PRIMARY,city_id,ix_lat_lon_station | 
										PRIMARY | 
										4 | 
										 | 
										6 | 
										Using where | 
									 
															 
											 | 
				
							
					| 31 | 
					0.000617 | 
					
						 DESCRIBE `school_score` 
											 | 
				
							
					| 32 | 
					0.067587 | 
					
						 SELECT `s_s`.* FROM `school_score` AS `s_s` WHERE (s_s.school_id IN ('3015152', '3014222', '3015474', '3016007', '3016305', '3013751', '3013752', '3016105', '3014854')) AND (s_s.is_latest = 1) 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										s_s | 
										
											range										 | 
										school_id | 
										school_id | 
										4 | 
										 | 
										66741 | 
										Using index condition; Using where | 
									 
															 
											 | 
				
							
					| 33 | 
					0.000677 | 
					
						 DESCRIBE `category_school` 
											 | 
				
							
					| 34 | 
					0.000597 | 
					
						 SELECT `c_s`.* FROM `category_school` AS `c_s` WHERE (c_s.school_id IN ('3015152', '3014222', '3015474', '3016007', '3016305', '3013751', '3013752', '3016105', '3014854')) 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										c_s | 
										
											range										 | 
										school_id | 
										school_id | 
										4 | 
										 | 
										34 | 
										Using index condition | 
									 
															 
											 | 
				
							
					| 35 | 
					0.000477 | 
					
						 SELECT `s`.* FROM `station` AS `s` WHERE (s.id = '2911') LIMIT 1 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										s | 
										
											const										 | 
										PRIMARY | 
										PRIMARY | 
										4 | 
										const | 
										1 | 
										 | 
									 
															 
											 | 
				
							
					| 36 | 
					0.000407 | 
					
						 SELECT `c`.* FROM `city` AS `c` WHERE (c.id = '1448') LIMIT 1 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										c | 
										
											const										 | 
										PRIMARY | 
										PRIMARY | 
										4 | 
										const | 
										1 | 
										 | 
									 
															 
											 | 
				
							
					| 37 | 
					0.008597 | 
					
						 connect 
											 | 
				
							
					| 38 | 
					0.002977 | 
					
						 SELECT `s_c_s`.* FROM `summary_count_school` AS `s_c_s` WHERE (s_c_s.is_latest = 1) AND (s_c_s.category_id = 0) AND (s_c_s.prefecture_id = 0) AND (s_c_s.city_id = 0) AND (s_c_s.station_id = 0) AND (s_c_s.station_unit_id = 0) AND (s_c_s.major_city_id = 0) LIMIT 1 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										s_c_s | 
										
											ref										 | 
										multi | 
										multi | 
										28 | 
										const,const,const,const,const,const,const | 
										1 | 
										 | 
									 
															 
											 | 
				
							
					| 39 | 
					0.000597 | 
					
						 SELECT `p`.* FROM `prefecture` AS `p` 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										p | 
										
											ALL										 | 
										 | 
										 | 
										 | 
										 | 
										47 | 
										 | 
									 
															 
											 | 
				
							
					| 40 | 
					0.000737 | 
					
						 SELECT `c`.* FROM `city` AS `c` WHERE (c.prefecture_id = '27') 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										c | 
										
											ref										 | 
										prefecture_id | 
										prefecture_id | 
										5 | 
										const | 
										61 | 
										 | 
									 
															 
											 | 
				
							
					| 41 | 
					0.000637 | 
					
						 DESCRIBE `summary_count_kuchikomi` 
											 | 
				
							
					| 42 | 
					0.000467 | 
					
						 SELECT `s_c_k`.* FROM `summary_count_kuchikomi` AS `s_c_k` WHERE (s_c_k.is_latest = 1) AND (s_c_k.category_id = 0) AND (s_c_k.prefecture_id = 0) AND (s_c_k.city_id = 0) AND (s_c_k.station_id = '2911') AND (s_c_k.station_unit_id = 0) LIMIT 1 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										s_c_k | 
										
											ref										 | 
										multi | 
										multi | 
										20 | 
										const,const,const,const,const | 
										1 | 
										Using index condition | 
									 
															 
											 | 
				
							
					| 43 | 
					0.000707 | 
					
						 DESCRIBE `dancer` 
											 | 
				
							
					| 44 | 
					0.000567 | 
					
						 SELECT `c`.`id` FROM `dancer` AS `c`
 INNER JOIN `dancer_column` AS `d_c` ON c.id = d_c.dancer_id AND d_c.valid = 1 ORDER BY `d_c`.`timestamp_created` DESC 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										d_c | 
										
											ALL										 | 
										ix_dancer_id_dancer_column | 
										 | 
										 | 
										 | 
										29 | 
										Using where; Using filesort | 
									 
																	
										| 1 | 
										SIMPLE | 
										c | 
										
											eq_ref										 | 
										PRIMARY | 
										PRIMARY | 
										4 | 
										jobikai_dance.d_c.dancer_id | 
										1 | 
										Using index | 
									 
															 
											 | 
				
							
					| 45 | 
					0.000477 | 
					
						 SELECT `c`.* FROM `dancer` AS `c` WHERE (c.id IN ('17', '16', '15', '14', '13')) 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										c | 
										
											range										 | 
										PRIMARY | 
										PRIMARY | 
										4 | 
										 | 
										5 | 
										Using where | 
									 
															 
											 | 
				
							
					| 46 | 
					0.000587 | 
					
						 DESCRIBE `dancer_column` 
											 | 
				
							
					| 47 | 
					0.000427 | 
					
						 SELECT `c`.* FROM `dancer_column` AS `c` WHERE (c.valid = 1) AND (c.dancer_id = '17') ORDER BY `timestamp_created` ASC 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										c | 
										
											ref										 | 
										ix_dancer_id_dancer_column | 
										ix_dancer_id_dancer_column | 
										5 | 
										const | 
										2 | 
										Using index condition; Using where; Using filesort | 
									 
															 
											 | 
				
							
					| 48 | 
					0.000407 | 
					
						 SELECT `c`.* FROM `dancer_column` AS `c` WHERE (c.valid = 1) AND (c.dancer_id = '16') ORDER BY `timestamp_created` ASC 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										c | 
										
											ref										 | 
										ix_dancer_id_dancer_column | 
										ix_dancer_id_dancer_column | 
										5 | 
										const | 
										2 | 
										Using index condition; Using where; Using filesort | 
									 
															 
											 | 
				
							
					| 49 | 
					0.000477 | 
					
						 SELECT `c`.* FROM `dancer_column` AS `c` WHERE (c.valid = 1) AND (c.dancer_id = '15') ORDER BY `timestamp_created` ASC 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										c | 
										
											ref										 | 
										ix_dancer_id_dancer_column | 
										ix_dancer_id_dancer_column | 
										5 | 
										const | 
										2 | 
										Using index condition; Using where; Using filesort | 
									 
															 
											 | 
				
							
					| 50 | 
					0.000477 | 
					
						 SELECT `c`.* FROM `dancer_column` AS `c` WHERE (c.valid = 1) AND (c.dancer_id = '14') ORDER BY `timestamp_created` ASC 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										c | 
										
											ref										 | 
										ix_dancer_id_dancer_column | 
										ix_dancer_id_dancer_column | 
										5 | 
										const | 
										2 | 
										Using index condition; Using where; Using filesort | 
									 
															 
											 | 
				
							
					| 51 | 
					0.002117 | 
					
						 SELECT `c`.* FROM `dancer_column` AS `c` WHERE (c.valid = 1) AND (c.dancer_id = '13') ORDER BY `timestamp_created` ASC 
													
								
									| id | 
									select_type | 
									table | 
									type | 
									possible_keys | 
									key | 
									key_len | 
									ref | 
									rows | 
									Extra | 
								 
																	
										| 1 | 
										SIMPLE | 
										c | 
										
											ref										 | 
										ix_dancer_id_dancer_column | 
										ix_dancer_id_dancer_column | 
										5 | 
										const | 
										1 | 
										Using index condition; Using where; Using filesort | 
									 
															 
											 |