Query time 0.00164
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 ('9741','9742','9743','9744','9745','9746','9747','9748','9749','9750','9751','9752','9753','9754','9755','9756','9757','9758','9759','9760','9761','9762','9763','9764','9765','9766','9767','9768','9769','9770','9771','9772')))",
"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 |
|
|
|
|
20565 |
9741 |
product |
22527 |
M |
0 |
|
|
0 |
|
|
|
|
20566 |
9742 |
product |
22528 |
M |
0 |
|
|
0 |
|
|
|
|
20567 |
9743 |
product |
22529 |
M |
0 |
|
|
0 |
|
|
|
|
20568 |
9744 |
product |
22530 |
M |
0 |
|
|
0 |
|
|
|
|
20569 |
9745 |
product |
22531 |
M |
0 |
|
|
0 |
|
|
|
|
20570 |
9746 |
product |
22532 |
M |
0 |
|
|
0 |
|
|
|
|
20571 |
9747 |
product |
22533 |
M |
0 |
|
|
0 |
|
|
|
|
20572 |
9748 |
product |
22534 |
M |
0 |
|
|
0 |
|
|
|
|
20573 |
9749 |
product |
22535 |
M |
0 |
|
|
0 |
|
|
|
|
20574 |
9750 |
product |
22536 |
M |
0 |
|
|
0 |
|
|
|
|
20575 |
9751 |
product |
22537 |
M |
0 |
|
|
0 |
|
|
|
|
20576 |
9752 |
product |
22538 |
M |
0 |
|
|
0 |
|
|
|
|
20577 |
9753 |
product |
22539 |
M |
0 |
|
|
0 |
|
|
|
|
20578 |
9754 |
product |
22540 |
M |
0 |
|
|
0 |
|
|
|
|
20579 |
9755 |
product |
22541 |
M |
0 |
|
|
0 |
|
|
|
|
20580 |
9756 |
product |
22542 |
M |
0 |
|
|
0 |
|
|
|
|
20581 |
9757 |
product |
22543 |
M |
0 |
|
|
0 |
|
|
|
|
20582 |
9758 |
product |
22544 |
M |
0 |
|
|
0 |
|
|
|
|
20583 |
9759 |
product |
22545 |
M |
0 |
|
|
0 |
|
|
|
|
20584 |
9760 |
product |
22546 |
M |
0 |
|
|
0 |
|
|
|
|
20585 |
9761 |
product |
22547 |
M |
0 |
|
|
0 |
|
|
|
|
20586 |
9762 |
product |
22548 |
M |
0 |
|
|
0 |
|
|
|
|
20587 |
9763 |
product |
22549 |
M |
0 |
|
|
0 |
|
|
|
|
20588 |
9764 |
product |
22550 |
M |
0 |
|
|
0 |
|
|
|
|
20589 |
9765 |
product |
22551 |
M |
0 |
|
|
0 |
|
|
|
|
20590 |
9766 |
product |
22552 |
M |
0 |
|
|
0 |
|
|
|
|
20591 |
9767 |
product |
22553 |
M |
0 |
|
|
0 |
|
|
|
|
20592 |
9768 |
product |
22554 |
M |
0 |
|
|
0 |
|
|
|
|
20593 |
9769 |
product |
22555 |
M |
0 |
|
|
0 |
|
|
|
|
20594 |
9770 |
product |
22556 |
M |
0 |
|
|
0 |
|
|
|
|
20595 |
9771 |
product |
22557 |
M |
0 |
|
|
0 |
|
|
|
|
20596 |
9772 |
product |
22558 |
M |
0 |
|
|