Query time 0.00106
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 ('186','187','188','189','190','191','192','193','194','195','196','197','198','152','153','154')))",
"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 |
3562700373145.jpg |
1000 |
813 |
N |
336 |
153 |
product |
2313 |
A |
1 |
|
2313 |
0 |
3562700373107.jpg |
1000 |
893 |
N |
338 |
154 |
product |
2315 |
A |
1 |
|
2315 |
0 |
3562700373145-2.jpg |
1000 |
1000 |
N |
337 |
153 |
product |
2314 |
A |
2 |
|
2314 |
0 |
3562700373107-2.jpg |
800 |
1155 |
N |
339 |
154 |
product |
2316 |
A |
2 |
|
2316 |
0 |
7640111493389-2.jpg |
990 |
990 |
N |
335 |
152 |
product |
2312 |
A |
10 |
|
2312 |
0 |
3274872289772-2.jpg |
1024 |
1024 |
N |
401 |
186 |
product |
2378 |
A |
10 |
|
2378 |
0 |
3274872289611-2.jpg |
1000 |
1000 |
N |
403 |
187 |
product |
2380 |
A |
10 |
|
2380 |
0 |
3274872297739-2.jpg |
1000 |
1000 |
N |
405 |
188 |
product |
2382 |
A |
10 |
|
2382 |
0 |
3274872333925-2.jpg |
1500 |
1500 |
N |
407 |
189 |
product |
2384 |
A |
10 |
|
2384 |
0 |
3274872333987-2.jpg |
1000 |
1000 |
N |
409 |
190 |
product |
2386 |
A |
10 |
|
2386 |
0 |
3274872377271-2.jpg |
458 |
458 |
N |
411 |
191 |
product |
2388 |
A |
10 |
|
2388 |
0 |
3274871929303-2.jpg |
600 |
600 |
N |
413 |
192 |
product |
2390 |
A |
10 |
|
2390 |
0 |
3274872375048-2.jpg |
287 |
430 |
N |
415 |
193 |
product |
2392 |
A |
10 |
|
2392 |
0 |
3274872374997-2.jpg |
283 |
178 |
N |
417 |
195 |
product |
2394 |
A |
10 |
|
2394 |
0 |
3274872366169-2.jpg |
800 |
800 |
N |
419 |
196 |
product |
2396 |
A |
10 |
|
2396 |
0 |
3274872270985-2.jpg |
338 |
450 |
N |
421 |
197 |
product |
2398 |
A |
10 |
|
2398 |
0 |
3274871939920-2.jpg |
360 |
450 |
N |
423 |
198 |
product |
2400 |
A |
10 |
|
2400 |