Query time 0.00142
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "107.21"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "19.00"
},
"nested_loop": [
{
"table": {
"table_name": "q_images_links",
"access_type": "range",
"possible_keys": [
"object_id"
],
"key": "object_id",
"used_key_parts": [
"object_id",
"object_type",
"type"
],
"key_length": "81",
"rows_examined_per_scan": 19,
"rows_produced_per_join": 19,
"filtered": "100.00",
"index_condition": "((`portal`.`q_images_links`.`object_type` = 'product') and (`portal`.`q_images_links`.`type` = 'M') and (`portal`.`q_images_links`.`object_id` in ('14498','14499','14500','14501','14502','14503','14504','14505','14506','14507','14508','14509','14510','14511','14512','14513')))",
"cost_info": {
"read_cost": "38.81",
"eval_cost": "3.80",
"prefix_cost": "42.61",
"data_read_per_join": "1K"
},
"used_columns": [
"pair_id",
"object_id",
"object_type",
"image_id",
"detailed_id",
"type",
"position"
]
}
},
{
"table": {
"table_name": "q_images",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"image_id"
],
"key_length": "4",
"ref": [
"portal.q_images_links.detailed_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 19,
"filtered": "100.00",
"cost_info": {
"read_cost": "19.00",
"eval_cost": "3.80",
"prefix_cost": "65.41",
"data_read_per_join": "14K"
},
"used_columns": [
"image_id",
"image_path",
"image_x",
"image_y",
"is_high_res"
],
"attached_condition": "<if>(is_not_null_compl(q_images), (`portal`.`q_images_links`.`detailed_id` = `portal`.`q_images`.`image_id`), true)"
}
},
{
"table": {
"table_name": "q_common_descriptions",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"object_id",
"lang_code",
"object_holder"
],
"key_length": "107",
"ref": [
"portal.q_images.image_id",
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 19,
"filtered": "100.00",
"cost_info": {
"read_cost": "19.00",
"eval_cost": "3.80",
"prefix_cost": "88.21",
"data_read_per_join": "11K"
},
"used_columns": [
"object_id",
"description",
"lang_code",
"object_holder"
],
"attached_condition": "<if>(is_not_null_compl(q_common_descriptions), (`portal`.`q_common_descriptions`.`object_id` = `portal`.`q_images`.`image_id`), true)"
}
}
]
}
}
}
Result
image_id |
image_path |
image_x |
image_y |
is_high_res |
pair_id |
object_id |
object_type |
detailed_id |
type |
position |
alt |
images_image_id |
0 |
31mWlYeTfVL.jpg |
500 |
375 |
N |
28406 |
14498 |
product |
30368 |
M |
0 |
|
30368 |
0 |
41YHHKxMa9L.jpg |
500 |
375 |
N |
28407 |
14499 |
product |
30369 |
M |
0 |
|
30369 |
0 |
41k9vmBd9mL.jpg |
500 |
432 |
N |
28408 |
14500 |
product |
30370 |
M |
0 |
|
30370 |
0 |
41qAnXIURXL.jpg |
500 |
500 |
N |
28409 |
14501 |
product |
30371 |
M |
0 |
|
30371 |
0 |
41uHoW_Al9L.jpg |
438 |
500 |
N |
28410 |
14502 |
product |
30372 |
M |
0 |
|
30372 |
0 |
41lRpLiVWhL.jpg |
500 |
500 |
N |
28411 |
14503 |
product |
30373 |
M |
0 |
|
30373 |
0 |
51Bu2XiJXSL.jpg |
500 |
500 |
N |
28412 |
14504 |
product |
30374 |
M |
0 |
|
30374 |
0 |
51HcVwKgmwL.jpg |
500 |
500 |
N |
28413 |
14505 |
product |
30375 |
M |
0 |
|
30375 |
0 |
31O-dTcSdfL.jpg |
309 |
500 |
N |
28414 |
14506 |
product |
30376 |
M |
0 |
|
30376 |
0 |
41IufVsfHtL.jpg |
500 |
500 |
N |
28415 |
14507 |
product |
30377 |
M |
0 |
|
30377 |
0 |
41dcW5gGMoL.jpg |
500 |
422 |
N |
28416 |
14508 |
product |
30378 |
M |
0 |
|
30378 |
0 |
412K1QZf71L.jpg |
291 |
500 |
N |
28417 |
14509 |
product |
30379 |
M |
0 |
|
30379 |
0 |
41Oh4EO30TL.jpg |
500 |
500 |
N |
28418 |
14510 |
product |
30380 |
M |
0 |
|
30380 |
0 |
41YXT4IKgdL.jpg |
500 |
500 |
N |
28419 |
14511 |
product |
30381 |
M |
0 |
|
30381 |
0 |
41eqM7tVS-L.jpg |
349 |
500 |
N |
28420 |
14512 |
product |
30382 |
M |
0 |
|
30382 |
0 |
41qedQQiGgL.jpg |
500 |
500 |
N |
28421 |
14513 |
product |
30383 |
M |
0 |
|
30383 |