Query time 0.00104
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "145.61"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "27.00"
},
"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": 27,
"rows_produced_per_join": 27,
"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 ('30702','30703','30704','30705','30706','30707','30708','30709','30710','30711','30712','30713','30714','30715','30716','30717')))",
"cost_info": {
"read_cost": "48.41",
"eval_cost": "5.40",
"prefix_cost": "53.81",
"data_read_per_join": "2K"
},
"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": 27,
"filtered": "100.00",
"cost_info": {
"read_cost": "27.00",
"eval_cost": "5.40",
"prefix_cost": "86.21",
"data_read_per_join": "20K"
},
"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": 27,
"filtered": "100.00",
"cost_info": {
"read_cost": "27.00",
"eval_cost": "5.40",
"prefix_cost": "118.61",
"data_read_per_join": "16K"
},
"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 |
51f_m3azshL._SL1000_.jpg |
1000 |
1000 |
N |
48471 |
30715 |
product |
50432 |
M |
0 |
|
50432 |
0 |
41kKv3HzitL.jpg |
487 |
500 |
N |
48472 |
30714 |
product |
50433 |
M |
0 |
|
50433 |
0 |
41FgkqzVN5L.jpg |
482 |
500 |
N |
48473 |
30712 |
product |
50434 |
M |
0 |
|
50434 |
0 |
410daZnv8SL.jpg |
490 |
500 |
N |
48474 |
30711 |
product |
50435 |
M |
0 |
|
50435 |
0 |
410yPPrRZrL.jpg |
500 |
500 |
N |
48475 |
30710 |
product |
50436 |
M |
0 |
|
50436 |
0 |
31Lrs0jl1dL.jpg |
418 |
500 |
N |
48477 |
30708 |
product |
50438 |
M |
0 |
|
50438 |
0 |
41xAfyqvmqL.jpg |
500 |
402 |
N |
48478 |
30709 |
product |
50439 |
M |
0 |
|
50439 |
0 |
41awAwRi5XL.jpg |
489 |
500 |
N |
48480 |
30707 |
product |
50441 |
M |
0 |
|
50441 |
0 |
31pKrvZiVRL.jpg |
409 |
500 |
N |
48481 |
30706 |
product |
50442 |
M |
0 |
|
50442 |
0 |
31EdPlVky6L._SY450_.jpg |
432 |
450 |
N |
48482 |
30705 |
product |
50443 |
M |
0 |
|
50443 |
0 |
61q13JEFRBL._SX385_.jpg |
385 |
385 |
N |
48483 |
30704 |
product |
50444 |
M |
0 |
|
50444 |
0 |
41JMXoko7PL.jpg |
500 |
452 |
N |
49371 |
30717 |
product |
51332 |
M |
0 |
|
51332 |
0 |
41FGGuhVUbL.jpg |
488 |
500 |
N |
49373 |
30716 |
product |
51334 |
M |
0 |
|
51334 |
0 |
41FgUoMLxEL.jpg |
495 |
500 |
N |
49375 |
30713 |
product |
51336 |
M |
0 |
|
51336 |
0 |
41jJ-omUn2L.jpg |
500 |
496 |
N |
49376 |
30702 |
product |
51337 |
M |
0 |
|
51337 |