Query time 0.00125
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 ('37325','37326','37327','37328','37329','37330','37331','37332','37333','37334','37335','37336','37337','37338','37339','37340')))",
"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 |
711K89QQbZL._SL1500_.jpg |
1500 |
1500 |
N |
58487 |
37325 |
product |
60443 |
M |
0 |
|
60443 |
0 |
61teGJscEuL._UY741_.jpg |
388 |
741 |
N |
58492 |
37329 |
product |
60448 |
M |
0 |
|
60448 |
0 |
610fvU_2a-L._SL1000_.jpg |
1000 |
1000 |
N |
58493 |
37330 |
product |
60449 |
M |
0 |
|
60449 |
0 |
660775_00_r17.jpg |
750 |
680 |
N |
58496 |
37328 |
product |
60452 |
M |
0 |
|
60452 |
0 |
375x500.993.jpg |
375 |
500 |
N |
58497 |
37331 |
product |
60453 |
M |
0 |
|
60453 |
0 |
31J3RxqIQIL.jpg |
500 |
500 |
N |
58500 |
37333 |
product |
60456 |
M |
0 |
|
60456 |
0 |
71TJ0lKmdVL._SL1500_.jpg |
1500 |
1500 |
N |
58501 |
37334 |
product |
60457 |
M |
0 |
|
60457 |
0 |
61gWSFf6aoL._SL1100_.jpg |
762 |
1100 |
N |
58502 |
37335 |
product |
60458 |
M |
0 |
|
60458 |
0 |
31ORNG9vB6L.jpg |
400 |
500 |
N |
58505 |
37337 |
product |
60461 |
M |
0 |
|
60461 |
0 |
61chnzqia6L._SL1500_.jpg |
1500 |
1500 |
N |
58507 |
37340 |
product |
60463 |
M |
0 |
|
60463 |
0 |
41m0oV58ZBL.jpg |
500 |
500 |
N |
58509 |
37339 |
product |
60465 |
M |
0 |
|
60465 |
0 |
61UeuCdC0xL._SX522_.jpg |
522 |
522 |
N |
58519 |
37326 |
product |
60475 |
M |
0 |
|
60475 |
0 |
375x500.37681.jpg |
375 |
500 |
N |
58525 |
37332 |
product |
60481 |
M |
0 |
|
60481 |
0 |
41_xJq5FGpL.jpg |
500 |
500 |
N |
62320 |
37327 |
product |
64276 |
M |
0 |
|
64276 |
0 |
am0001633_1.jpg |
800 |
800 |
N |
62321 |
37338 |
product |
64277 |
M |
0 |
|
64277 |
0 |
41ubDtQyQmL.jpg |
423 |
500 |
N |
58504 |
37336 |
product |
60460 |
M |
1 |
|
60460 |