Query time 0.00120
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "136.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "25.00"
},
"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": 25,
"rows_produced_per_join": 25,
"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 ('300','301','302','303','304','305','306','307','246','247','248','249','250','251','252','253')))",
"cost_info": {
"read_cost": "46.01",
"eval_cost": "5.00",
"prefix_cost": "51.01",
"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": 25,
"filtered": "100.00",
"cost_info": {
"read_cost": "25.00",
"eval_cost": "5.00",
"prefix_cost": "81.01",
"data_read_per_join": "19K"
},
"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": 25,
"filtered": "100.00",
"cost_info": {
"read_cost": "25.00",
"eval_cost": "5.00",
"prefix_cost": "111.01",
"data_read_per_join": "14K"
},
"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 |
3423473996750.jpg |
1000 |
1000 |
N |
507 |
246 |
product |
2484 |
M |
0 |
|
2484 |
0 |
3423478481459.jpg |
2235 |
1500 |
N |
509 |
247 |
product |
2486 |
M |
0 |
|
2486 |
0 |
3423473095651.jpg |
1400 |
1400 |
N |
511 |
248 |
product |
2488 |
M |
0 |
|
2488 |
0 |
3423473095750.jpg |
1000 |
1000 |
N |
513 |
249 |
product |
2490 |
M |
0 |
|
2490 |
0 |
3423473983057.jpg |
1000 |
1000 |
N |
514 |
250 |
product |
2491 |
M |
0 |
|
2491 |
0 |
3423473983156.jpg |
1000 |
1000 |
N |
516 |
251 |
product |
2493 |
M |
0 |
|
2493 |
0 |
3423473998556.jpg |
1500 |
1500 |
N |
518 |
252 |
product |
2495 |
M |
0 |
|
2495 |
0 |
3423473997658.jpg |
1000 |
1000 |
N |
520 |
253 |
product |
2497 |
M |
0 |
|
2497 |
0 |
3614220544373.jpg |
1000 |
1000 |
N |
621 |
300 |
product |
2598 |
M |
0 |
|
2598 |
0 |
3614220542751.jpg |
1000 |
1000 |
N |
623 |
301 |
product |
2600 |
M |
0 |
|
2600 |
0 |
088300178315.jpg |
1500 |
1500 |
N |
625 |
302 |
product |
2602 |
M |
0 |
|
2602 |
0 |
088300162505.jpg |
1000 |
1000 |
N |
627 |
303 |
product |
2604 |
M |
0 |
|
2604 |
0 |
088300201105.jpg |
1001 |
1000 |
N |
629 |
304 |
product |
2606 |
M |
0 |
|
2606 |
0 |
3614221269848.jpg |
950 |
950 |
N |
631 |
305 |
product |
2608 |
M |
0 |
|
2608 |
0 |
3614221269800.jpg |
900 |
900 |
N |
633 |
306 |
product |
2610 |
M |
0 |
|
2610 |
0 |
3607342309753.jpg |
1000 |
1000 |
N |
635 |
307 |
product |
2612 |
M |
0 |
|
2612 |