Query time 0.00177
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "212.41"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "38.00"
},
"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": 38,
"rows_produced_per_join": 38,
"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 ('393','394','395','396','397','398','399','400','401','402','403','404','405','406','407','408','409','410','411','412','413','414','415','416','417','418','419','420','421','263')))",
"cost_info": {
"read_cost": "75.61",
"eval_cost": "7.60",
"prefix_cost": "83.21",
"data_read_per_join": "3K"
},
"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": 38,
"filtered": "100.00",
"cost_info": {
"read_cost": "38.00",
"eval_cost": "7.60",
"prefix_cost": "128.81",
"data_read_per_join": "29K"
},
"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": 38,
"filtered": "100.00",
"cost_info": {
"read_cost": "38.00",
"eval_cost": "7.60",
"prefix_cost": "174.41",
"data_read_per_join": "22K"
},
"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 |
3614221819579-2.jpg |
640 |
640 |
N |
854 |
421 |
product |
2831 |
A |
1 |
|
2831 |
0 |
3614221819579.jpg |
1000 |
750 |
N |
853 |
421 |
product |
2830 |
A |
2 |
|
2830 |
0 |
737052834139-2.jpg |
800 |
1000 |
N |
549 |
263 |
product |
2526 |
A |
10 |
|
2526 |
0 |
737052742465-2.jpg |
1000 |
1000 |
N |
806 |
393 |
product |
2783 |
A |
10 |
|
2783 |
0 |
737052979045-2.jpg |
1200 |
1200 |
N |
808 |
394 |
product |
2785 |
A |
10 |
|
2785 |
0 |
3423478563650-2.jpg |
900 |
900 |
N |
810 |
395 |
product |
2787 |
A |
10 |
|
2787 |
0 |
3423473042051-2.jpg |
560 |
350 |
N |
812 |
396 |
product |
2789 |
A |
10 |
|
2789 |
0 |
3423473042150-2.jpg |
600 |
600 |
N |
814 |
397 |
product |
2791 |
A |
10 |
|
2791 |
0 |
3423473021407-2.jpg |
700 |
700 |
N |
816 |
398 |
product |
2793 |
A |
10 |
|
2793 |
0 |
3423478452459-2.jpg |
700 |
700 |
N |
818 |
399 |
product |
2795 |
A |
10 |
|
2795 |
0 |
3423478452558-2.jpg |
700 |
700 |
N |
820 |
400 |
product |
2797 |
A |
10 |
|
2797 |
0 |
737052833811-2.jpg |
500 |
500 |
N |
822 |
401 |
product |
2799 |
A |
10 |
|
2799 |
0 |
3614224932640-2.jpg |
750 |
750 |
N |
824 |
402 |
product |
2801 |
A |
10 |
|
2801 |
0 |
3614224932633-2.jpg |
555 |
555 |
N |
826 |
403 |
product |
2803 |
A |
10 |
|
2803 |
0 |
8411061936085-2.jpg |
600 |
600 |
N |
828 |
404 |
product |
2805 |
A |
10 |
|
2805 |
0 |
8411061925003-2.jpg |
400 |
400 |
N |
830 |
405 |
product |
2807 |
A |
10 |
|
2807 |
0 |
8411061871362-2.jpg |
500 |
500 |
N |
833 |
407 |
product |
2810 |
A |
10 |
|
2810 |
0 |
3423473035534-2.jpg |
600 |
600 |
N |
835 |
408 |
product |
2812 |
A |
10 |
|
2812 |
0 |
737052887739-2.jpg |
600 |
600 |
N |
837 |
409 |
product |
2814 |
A |
10 |
|
2814 |
0 |
3423473021353-2.jpg |
500 |
500 |
N |
839 |
410 |
product |
2816 |
A |
10 |
|
2816 |
0 |
737052887289-2.jpg |
600 |
567 |
N |
841 |
411 |
product |
2818 |
A |
10 |
|
2818 |
0 |
3423473021063-2.jpg |
600 |
600 |
N |
843 |
412 |
product |
2820 |
A |
10 |
|
2820 |
0 |
3614221252376-2.jpg |
500 |
375 |
N |
852 |
420 |
product |
2829 |
A |
10 |
|
2829 |