Query time 0.00110
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "107.21"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "19.00"
},
"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": 19,
"rows_produced_per_join": 19,
"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 ('654','655','656','657','658','659','660','661','662','663','664','665','666','667','668','669')))",
"cost_info": {
"read_cost": "38.81",
"eval_cost": "3.80",
"prefix_cost": "42.61",
"data_read_per_join": "1K"
},
"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": 19,
"filtered": "100.00",
"cost_info": {
"read_cost": "19.00",
"eval_cost": "3.80",
"prefix_cost": "65.41",
"data_read_per_join": "14K"
},
"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": 19,
"filtered": "100.00",
"cost_info": {
"read_cost": "19.00",
"eval_cost": "3.80",
"prefix_cost": "88.21",
"data_read_per_join": "11K"
},
"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 |
8011530015169.jpg |
1000 |
926 |
N |
1485 |
654 |
product |
3462 |
M |
0 |
|
3462 |
0 |
8011530805920.jpg |
900 |
1200 |
N |
1489 |
665 |
product |
3466 |
M |
0 |
|
3466 |
0 |
8011530806149.jpg |
1100 |
1100 |
N |
1497 |
664 |
product |
3474 |
M |
0 |
|
3474 |
0 |
8011530805500.jpg |
1047 |
1047 |
N |
1501 |
663 |
product |
3478 |
M |
0 |
|
3478 |
0 |
8011530840020.jpg |
1000 |
1000 |
N |
1503 |
656 |
product |
3480 |
M |
0 |
|
3480 |
0 |
8011530805388.jpg |
800 |
800 |
N |
1505 |
666 |
product |
3482 |
M |
0 |
|
3482 |
0 |
8011530994808.jpg |
1000 |
1000 |
N |
1507 |
655 |
product |
3484 |
M |
0 |
|
3484 |
0 |
8011530805401.jpg |
500 |
500 |
N |
1509 |
658 |
product |
3486 |
M |
0 |
|
3486 |
0 |
8011530805418.jpg |
1000 |
1000 |
N |
1511 |
661 |
product |
3488 |
M |
0 |
|
3488 |
0 |
8011530015213.jpg |
1372 |
1200 |
N |
1515 |
668 |
product |
3492 |
M |
0 |
|
3492 |
0 |
8011530810023.jpg |
650 |
650 |
N |
1517 |
667 |
product |
3494 |
M |
0 |
|
3494 |
0 |
8011530995621.JPG |
1200 |
1200 |
N |
1519 |
662 |
product |
3496 |
M |
0 |
|
3496 |
0 |
8011530830014.jpg |
898 |
588 |
N |
1521 |
659 |
product |
3498 |
M |
0 |
|
3498 |
0 |
8011530850029.jpg |
534 |
384 |
N |
1523 |
660 |
product |
3500 |
M |
0 |
|
3500 |
0 |
2__10_.jpg |
640 |
626 |
N |
82166 |
657 |
product |
84109 |
M |
0 |
|
84109 |
0 |
2_6yko-x7.jpg |
640 |
626 |
N |
82883 |
669 |
product |
84826 |
M |
0 |
|
84826 |