Query time 0.00113
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` = 'M') and (`portal`.`q_images_links`.`object_id` in ('675','676','677','678','679','680','681','682','683','684','685','686','687','688','689','690')))",
"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 |
8011003993802.jpg |
1094 |
938 |
N |
1532 |
675 |
product |
3508 |
M |
0 |
|
3508 |
0 |
8018365071261.jpg |
1196 |
1080 |
N |
1534 |
676 |
product |
3510 |
M |
0 |
|
3510 |
0 |
8018365500037.jpg |
900 |
900 |
N |
1536 |
677 |
product |
3512 |
M |
0 |
|
3512 |
0 |
8011003823536.jpg |
1000 |
1000 |
N |
1538 |
678 |
product |
3514 |
M |
0 |
|
3514 |
0 |
8011003827343.jpg |
500 |
500 |
N |
1540 |
679 |
product |
3516 |
M |
0 |
|
3516 |
0 |
8018365100480.jpg |
748 |
748 |
N |
1542 |
680 |
product |
3518 |
M |
0 |
|
3518 |
0 |
8011003811274.jpg |
900 |
900 |
N |
1544 |
681 |
product |
3520 |
M |
0 |
|
3520 |
0 |
8011003839117.jpg |
1000 |
856 |
N |
1546 |
682 |
product |
3522 |
M |
0 |
|
3522 |
0 |
8011003994618.jpg |
225 |
225 |
N |
1548 |
683 |
product |
3524 |
M |
0 |
|
3524 |
0 |
8011003825745.jpg |
1500 |
1337 |
N |
1550 |
684 |
product |
3526 |
M |
0 |
|
3526 |
0 |
8011003995950.jpg |
1200 |
1200 |
N |
1552 |
685 |
product |
3528 |
M |
0 |
|
3528 |
0 |
8011003996766.jpg |
1000 |
1000 |
N |
1554 |
686 |
product |
3530 |
M |
0 |
|
3530 |
0 |
8011003999606.jpg |
1000 |
1000 |
N |
1556 |
687 |
product |
3532 |
M |
0 |
|
3532 |
0 |
8011003997015.jpg |
1000 |
1000 |
N |
1558 |
688 |
product |
3534 |
M |
0 |
|
3534 |
0 |
8018365250260.jpg |
900 |
900 |
N |
1560 |
689 |
product |
3536 |
M |
0 |
|
3536 |
0 |
8011003804566.jpg |
1000 |
1000 |
N |
1562 |
690 |
product |
3538 |
M |
0 |
|
3538 |