Query time 0.00112
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` = 'A') and (`portal`.`q_images_links`.`object_id` in ('254','255','256','257','258','259','260','261','262','229','230','231','232','233','234','235')))",
"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 |
3423470398014-2.jpg |
1000 |
1000 |
N |
528 |
257 |
product |
2505 |
A |
1 |
|
2505 |
0 |
3423473981251-2.jpg |
225 |
225 |
N |
529 |
258 |
product |
2506 |
A |
1 |
|
2506 |
0 |
3614270426308-2.jpg |
1000 |
1000 |
N |
474 |
229 |
product |
2451 |
A |
10 |
|
2451 |
0 |
3605522040281-2.jpg |
899 |
1000 |
N |
476 |
230 |
product |
2453 |
A |
10 |
|
2453 |
0 |
3605521939999-2.jpg |
857 |
1000 |
N |
478 |
231 |
product |
2455 |
A |
10 |
|
2455 |
0 |
3605522040946-2.jpg |
1000 |
1000 |
N |
480 |
232 |
product |
2457 |
A |
10 |
|
2457 |
0 |
3605522041004-2.jpg |
1200 |
1200 |
N |
482 |
233 |
product |
2459 |
A |
10 |
|
2459 |
0 |
3360372100522-2.jpg |
1000 |
1000 |
N |
484 |
234 |
product |
2461 |
A |
10 |
|
2461 |
0 |
3614270692413-2.jpg |
900 |
900 |
N |
486 |
235 |
product |
2463 |
A |
10 |
|
2463 |
0 |
3423473995753-2.jpg |
208 |
243 |
N |
523 |
254 |
product |
2500 |
A |
10 |
|
2500 |
0 |
3423473991458-2.jpg |
225 |
225 |
N |
525 |
255 |
product |
2502 |
A |
10 |
|
2502 |
0 |
3423473991557-2.jpg |
1000 |
1000 |
N |
527 |
256 |
product |
2504 |
A |
10 |
|
2504 |
0 |
3423473985358-2.jpg |
910 |
910 |
N |
531 |
259 |
product |
2508 |
A |
10 |
|
2508 |
0 |
3423473988359-2.jpg |
491 |
1167 |
N |
533 |
260 |
product |
2510 |
A |
10 |
|
2510 |
0 |
3423473995852-2.jpg |
1200 |
1200 |
N |
535 |
261 |
product |
2512 |
A |
10 |
|
2512 |
0 |
3423473994558-2.jpg |
1200 |
1200 |
N |
537 |
262 |
product |
2514 |
A |
10 |
|
2514 |