Query time 0.00186
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 ('32753','32754','32755','32756','32757','32758','32759','32760','32761','32762','32763','32764','32765','32766','32767','32768','32769','32770','32771','32772','32773','32774','32775','32776','32777','32778','32779','32780','32781','32782','32783','32784')))",
"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 |
|
|
|
|
43504 |
32753 |
product |
45466 |
M |
0 |
|
|
0 |
|
|
|
|
43508 |
32754 |
product |
45470 |
M |
0 |
|
|
0 |
|
|
|
|
43512 |
32755 |
product |
45474 |
M |
0 |
|
|
0 |
|
|
|
|
43516 |
32756 |
product |
45478 |
M |
0 |
|
|
0 |
|
|
|
|
43520 |
32757 |
product |
45482 |
M |
0 |
|
|
0 |
|
|
|
|
43524 |
32758 |
product |
45486 |
M |
0 |
|
|
0 |
|
|
|
|
43528 |
32759 |
product |
45490 |
M |
0 |
|
|
0 |
|
|
|
|
43532 |
32760 |
product |
45494 |
M |
0 |
|
|
0 |
|
|
|
|
43536 |
32761 |
product |
45498 |
M |
0 |
|
|
0 |
|
|
|
|
43540 |
32762 |
product |
45502 |
M |
0 |
|
|
0 |
|
|
|
|
43544 |
32763 |
product |
45506 |
M |
0 |
|
|
0 |
|
|
|
|
43548 |
32764 |
product |
45510 |
M |
0 |
|
|
0 |
|
|
|
|
43552 |
32765 |
product |
45514 |
M |
0 |
|
|
0 |
|
|
|
|
43556 |
32766 |
product |
45518 |
M |
0 |
|
|
0 |
|
|
|
|
43560 |
32767 |
product |
45522 |
M |
0 |
|
|
0 |
|
|
|
|
43564 |
32768 |
product |
45526 |
M |
0 |
|
|
0 |
|
|
|
|
43568 |
32769 |
product |
45530 |
M |
0 |
|
|
0 |
|
|
|
|
43572 |
32770 |
product |
45534 |
M |
0 |
|
|
0 |
|
|
|
|
43576 |
32771 |
product |
45538 |
M |
0 |
|
|
0 |
|
|
|
|
43584 |
32773 |
product |
45546 |
M |
0 |
|
|
0 |
|
|
|
|
43588 |
32774 |
product |
45550 |
M |
0 |
|
|
0 |
|
|
|
|
43590 |
32775 |
product |
45552 |
M |
0 |
|
|
0 |
|
|
|
|
43594 |
32776 |
product |
45556 |
M |
0 |
|
|
0 |
|
|
|
|
43598 |
32777 |
product |
45560 |
M |
0 |
|
|
0 |
|
|
|
|
43602 |
32778 |
product |
45564 |
M |
0 |
|
|
0 |
|
|
|
|
43606 |
32779 |
product |
45568 |
M |
0 |
|
|
0 |
|
|
|
|
43610 |
32780 |
product |
45572 |
M |
0 |
|
|
0 |
|
|
|
|
43614 |
32781 |
product |
45576 |
M |
0 |
|
|
0 |
|
|
|
|
43617 |
32782 |
product |
45579 |
M |
0 |
|
|
0 |
|
|
|
|
43621 |
32783 |
product |
45583 |
M |
0 |
|
|
0 |
|
|
|
|
43625 |
32784 |
product |
45587 |
M |
0 |
|
|
0 |
|
|
|
|
82894 |
32772 |
product |
84837 |
M |
0 |
|
|