Query time 0.00296
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "185.61"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "32.00"
},
"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": 32,
"rows_produced_per_join": 32,
"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 ('32517','32518','32520','32522','32523','32524','32525','32526','32527','32528','32529','32530','32532','32533','32534','32535','32537','32538','32539','32540','32541','32542','32543','32544','32545','32546','32548','32549','32550','32551','32552','32553')))",
"cost_info": {
"read_cost": "70.41",
"eval_cost": "6.40",
"prefix_cost": "76.81",
"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.image_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 32,
"filtered": "100.00",
"cost_info": {
"read_cost": "32.00",
"eval_cost": "6.40",
"prefix_cost": "115.21",
"data_read_per_join": "24K"
},
"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": 32,
"filtered": "100.00",
"cost_info": {
"read_cost": "32.00",
"eval_cost": "6.40",
"prefix_cost": "153.61",
"data_read_per_join": "19K"
},
"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 |
|
|
|
|
42605 |
32517 |
product |
44567 |
M |
0 |
|
|
0 |
|
|
|
|
42609 |
32518 |
product |
44571 |
M |
0 |
|
|
0 |
|
|
|
|
42617 |
32520 |
product |
44579 |
M |
0 |
|
|
0 |
|
|
|
|
42628 |
32522 |
product |
44590 |
M |
0 |
|
|
0 |
|
|
|
|
42632 |
32523 |
product |
44594 |
M |
0 |
|
|
0 |
|
|
|
|
42636 |
32524 |
product |
44598 |
M |
0 |
|
|
0 |
|
|
|
|
42639 |
32525 |
product |
44601 |
M |
0 |
|
|
0 |
|
|
|
|
42643 |
32526 |
product |
44605 |
M |
0 |
|
|
0 |
|
|
|
|
42647 |
32527 |
product |
44609 |
M |
0 |
|
|
0 |
|
|
|
|
42651 |
32528 |
product |
44613 |
M |
0 |
|
|
0 |
|
|
|
|
42655 |
32529 |
product |
44617 |
M |
0 |
|
|
0 |
|
|
|
|
42660 |
32530 |
product |
44622 |
M |
0 |
|
|
0 |
|
|
|
|
42664 |
32532 |
product |
44626 |
M |
0 |
|
|
0 |
|
|
|
|
42667 |
32533 |
product |
44629 |
M |
0 |
|
|
0 |
|
|
|
|
42671 |
32534 |
product |
44633 |
M |
0 |
|
|
0 |
|
|
|
|
42675 |
32535 |
product |
44637 |
M |
0 |
|
|
0 |
|
|
|
|
42683 |
32537 |
product |
44645 |
M |
0 |
|
|
0 |
|
|
|
|
42686 |
32538 |
product |
44648 |
M |
0 |
|
|
0 |
|
|
|
|
42690 |
32539 |
product |
44652 |
M |
0 |
|
|
0 |
|
|
|
|
42693 |
32540 |
product |
44655 |
M |
0 |
|
|
0 |
|
|
|
|
42697 |
32541 |
product |
44659 |
M |
0 |
|
|
0 |
|
|
|
|
42700 |
32542 |
product |
44662 |
M |
0 |
|
|
0 |
|
|
|
|
42704 |
32543 |
product |
44666 |
M |
0 |
|
|
0 |
|
|
|
|
42708 |
32544 |
product |
44670 |
M |
0 |
|
|
0 |
|
|
|
|
42712 |
32545 |
product |
44674 |
M |
0 |
|
|
0 |
|
|
|
|
42716 |
32546 |
product |
44678 |
M |
0 |
|
|
0 |
|
|
|
|
42724 |
32548 |
product |
44686 |
M |
0 |
|
|
0 |
|
|
|
|
42728 |
32549 |
product |
44690 |
M |
0 |
|
|
0 |
|
|
|
|
42731 |
32550 |
product |
44693 |
M |
0 |
|
|
0 |
|
|
|
|
42735 |
32551 |
product |
44697 |
M |
0 |
|
|
0 |
|
|
|
|
42738 |
32552 |
product |
44700 |
M |
0 |
|
|
0 |
|
|
|
|
42742 |
32553 |
product |
44704 |
M |
0 |
|
|