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` = 'A') and (`portal`.`q_images_links`.`object_id` in ('205','206','207','208','209','210','211','212','213','214','215','216','217','218','219','224')))",
"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 |
3386460028394-2.jpg |
1000 |
1000 |
N |
446 |
205 |
product |
2423 |
A |
10 |
|
2423 |
0 |
3386460032698-2.jpg |
880 |
1146 |
N |
448 |
206 |
product |
2425 |
A |
10 |
|
2425 |
0 |
3386460087940-2.jpg |
1000 |
1000 |
N |
450 |
207 |
product |
2427 |
A |
10 |
|
2427 |
0 |
3386460087957-2.jpg |
196 |
258 |
N |
452 |
208 |
product |
2429 |
A |
10 |
|
2429 |
0 |
3386460074827-2.jpg |
225 |
225 |
N |
454 |
209 |
product |
2431 |
A |
10 |
|
2431 |
0 |
3386460028325-2.jpg |
1024 |
1024 |
N |
456 |
210 |
product |
2433 |
A |
10 |
|
2433 |
0 |
3386460028356-2.jpg |
883 |
1000 |
N |
458 |
211 |
product |
2435 |
A |
10 |
|
2435 |
0 |
3386460028462-2.jpg |
1000 |
1000 |
N |
460 |
212 |
product |
2437 |
A |
10 |
|
2437 |
0 |
3386460097994-2.jpg |
1000 |
1000 |
N |
462 |
213 |
product |
2439 |
A |
10 |
|
2439 |
0 |
3386460098045-2.jpg |
239 |
211 |
N |
464 |
214 |
product |
2441 |
A |
10 |
|
2441 |
0 |
3386460061377-2.jpg |
2000 |
1099 |
N |
466 |
215 |
product |
2443 |
A |
10 |
|
2443 |
0 |
3386460072465-2.jpg |
500 |
290 |
N |
468 |
216 |
product |
2445 |
A |
10 |
|
2445 |
0 |
3386460097888-2.jpg |
600 |
600 |
N |
470 |
217 |
product |
2447 |
A |
10 |
|
2447 |
0 |
3386460097857-2.jpg |
738 |
984 |
N |
472 |
218 |
product |
2449 |
A |
10 |
|
2449 |