Query time 0.00121
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "121.61"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "22.00"
},
"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": 22,
"rows_produced_per_join": 22,
"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 ('330','331','332','333','334','335','336','337','338','339','340','341','342','343','344','345')))",
"cost_info": {
"read_cost": "42.41",
"eval_cost": "4.40",
"prefix_cost": "46.81",
"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": 22,
"filtered": "100.00",
"cost_info": {
"read_cost": "22.00",
"eval_cost": "4.40",
"prefix_cost": "73.21",
"data_read_per_join": "16K"
},
"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": 22,
"filtered": "100.00",
"cost_info": {
"read_cost": "22.00",
"eval_cost": "4.40",
"prefix_cost": "99.61",
"data_read_per_join": "13K"
},
"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 |
031655687896-2.jpg |
650 |
796 |
N |
682 |
330 |
product |
2659 |
A |
10 |
|
2659 |
0 |
3607342306134-2.jpg |
800 |
800 |
N |
684 |
331 |
product |
2661 |
A |
10 |
|
2661 |
0 |
3607342306417-2.jpg |
350 |
350 |
N |
686 |
332 |
product |
2663 |
A |
10 |
|
2663 |
0 |
3607349315153-2.jpg |
400 |
400 |
N |
688 |
333 |
product |
2665 |
A |
10 |
|
2665 |
0 |
088300073603-2.jpg |
1200 |
1200 |
N |
690 |
334 |
product |
2667 |
A |
10 |
|
2667 |
0 |
8411061853160-2.jpg |
1200 |
1200 |
N |
692 |
335 |
product |
2669 |
A |
10 |
|
2669 |
0 |
8411061341704-2.jpg |
1162 |
2000 |
N |
694 |
336 |
product |
2671 |
A |
10 |
|
2671 |
0 |
8411061825983-2.jpg |
198 |
255 |
N |
696 |
337 |
product |
2673 |
A |
10 |
|
2673 |
0 |
8411061825976-2.jpg |
1000 |
903 |
N |
698 |
338 |
product |
2675 |
A |
10 |
|
2675 |
0 |
8411061865583-2.jpg |
1430 |
1500 |
N |
700 |
339 |
product |
2677 |
A |
10 |
|
2677 |
0 |
8411061602539-2.jpg |
1000 |
1000 |
N |
702 |
340 |
product |
2679 |
A |
10 |
|
2679 |
0 |
8411061865439-2.jpg |
900 |
959 |
N |
704 |
341 |
product |
2681 |
A |
10 |
|
2681 |
0 |
8411061765203-2.jpg |
1600 |
1600 |
N |
706 |
342 |
product |
2683 |
A |
10 |
|
2683 |
0 |
8411061723760-2.jpg |
225 |
225 |
N |
708 |
343 |
product |
2685 |
A |
10 |
|
2685 |
0 |
CHHPFM056-2.jpg |
1430 |
1500 |
N |
710 |
344 |
product |
2687 |
A |
10 |
|
2687 |
0 |
8411061869253-2.jpg |
1000 |
1400 |
N |
712 |
345 |
product |
2689 |
A |
10 |
|
2689 |