Query time 0.00154
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "294.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "55.00"
},
"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": 55,
"rows_produced_per_join": 55,
"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 ('442','443','444','445','446','447','448','449','310','311','312','313','314','315','316','317','318','319','320','321','322','323','324','325','326','327','328','329','330','331')))",
"cost_info": {
"read_cost": "96.01",
"eval_cost": "11.00",
"prefix_cost": "107.01",
"data_read_per_join": "5K"
},
"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.image_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 55,
"filtered": "100.00",
"cost_info": {
"read_cost": "55.00",
"eval_cost": "11.00",
"prefix_cost": "173.01",
"data_read_per_join": "42K"
},
"used_columns": [
"image_id",
"image_path",
"image_x",
"image_y",
"is_high_res"
]
}
},
{
"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": 55,
"filtered": "100.00",
"cost_info": {
"read_cost": "55.00",
"eval_cost": "11.00",
"prefix_cost": "239.01",
"data_read_per_join": "32K"
},
"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 |
|
|
|
|
672 |
325 |
product |
2649 |
A |
1 |
|
|
0 |
|
|
|
|
673 |
325 |
product |
2650 |
A |
2 |
|
|
0 |
|
|
|
|
643 |
310 |
product |
2620 |
A |
10 |
|
|
0 |
|
|
|
|
645 |
311 |
product |
2622 |
A |
10 |
|
|
0 |
|
|
|
|
647 |
312 |
product |
2624 |
A |
10 |
|
|
0 |
|
|
|
|
649 |
313 |
product |
2626 |
A |
10 |
|
|
0 |
|
|
|
|
651 |
314 |
product |
2628 |
A |
10 |
|
|
0 |
|
|
|
|
653 |
315 |
product |
2630 |
A |
10 |
|
|
0 |
|
|
|
|
655 |
316 |
product |
2632 |
A |
10 |
|
|
0 |
|
|
|
|
657 |
317 |
product |
2634 |
A |
10 |
|
|
0 |
|
|
|
|
659 |
318 |
product |
2636 |
A |
10 |
|
|
0 |
|
|
|
|
661 |
319 |
product |
2638 |
A |
10 |
|
|
0 |
|
|
|
|
663 |
320 |
product |
2640 |
A |
10 |
|
|
0 |
|
|
|
|
665 |
321 |
product |
2642 |
A |
10 |
|
|
0 |
|
|
|
|
667 |
322 |
product |
2644 |
A |
10 |
|
|
0 |
|
|
|
|
669 |
323 |
product |
2646 |
A |
10 |
|
|
0 |
|
|
|
|
671 |
324 |
product |
2648 |
A |
10 |
|
|
0 |
|
|
|
|
675 |
326 |
product |
2652 |
A |
10 |
|
|
0 |
|
|
|
|
677 |
327 |
product |
2654 |
A |
10 |
|
|
0 |
|
|
|
|
679 |
328 |
product |
2656 |
A |
10 |
|
|
0 |
|
|
|
|
682 |
330 |
product |
2659 |
A |
10 |
|
|
0 |
|
|
|
|
684 |
331 |
product |
2661 |
A |
10 |
|
|
0 |
|
|
|
|
900 |
442 |
product |
2877 |
A |
10 |
|
|
0 |
|
|
|
|
902 |
443 |
product |
2879 |
A |
10 |
|
|
0 |
|
|
|
|
904 |
444 |
product |
2881 |
A |
10 |
|
|
0 |
|
|
|
|
906 |
445 |
product |
2883 |
A |
10 |
|
|
0 |
|
|
|
|
908 |
446 |
product |
2885 |
A |
10 |
|
|
0 |
|
|
|
|
910 |
447 |
product |
2887 |
A |
10 |
|
|
0 |
|
|
|
|
912 |
448 |
product |
2889 |
A |
10 |
|
|
0 |
|
|
|
|
914 |
449 |
product |
2891 |
A |
10 |
|
|
0 |
|
|
|
|
924 |
442 |
product |
2901 |
A |
10 |
|
|
0 |
|
|
|
|
925 |
443 |
product |
2902 |
A |
10 |
|
|
0 |
|
|
|
|
926 |
444 |
product |
2903 |
A |
10 |
|
|
0 |
|
|
|
|
927 |
445 |
product |
2904 |
A |
10 |
|
|
0 |
|
|
|
|
928 |
446 |
product |
2905 |
A |
10 |
|
|
0 |
|
|
|
|
929 |
447 |
product |
2906 |
A |
10 |
|
|
0 |
|
|
|
|
930 |
448 |
product |
2907 |
A |
10 |
|
|
0 |
|
|
|
|
931 |
449 |
product |
2908 |
A |
10 |
|
|