Query time 0.00210
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 ('8395','8396','8397','8398','8399','8400','8401','8402','8403','8404','8405','8406','8407','8408','8409','8410','8412','8414','8415','8419','8425','8426','8427','8428','8429','8430','8431','8432','8435','8436','8438','8439')))",
"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 |
|
|
|
|
17723 |
8395 |
product |
19685 |
M |
0 |
|
|
0 |
|
|
|
|
17726 |
8396 |
product |
19688 |
M |
0 |
|
|
0 |
|
|
|
|
17728 |
8397 |
product |
19690 |
M |
0 |
|
|
0 |
|
|
|
|
17731 |
8398 |
product |
19693 |
M |
0 |
|
|
0 |
|
|
|
|
17734 |
8399 |
product |
19696 |
M |
0 |
|
|
0 |
|
|
|
|
17737 |
8400 |
product |
19699 |
M |
0 |
|
|
0 |
|
|
|
|
17740 |
8401 |
product |
19702 |
M |
0 |
|
|
0 |
|
|
|
|
17743 |
8402 |
product |
19705 |
M |
0 |
|
|
0 |
|
|
|
|
17755 |
8403 |
product |
19717 |
M |
0 |
|
|
0 |
|
|
|
|
17758 |
8404 |
product |
19720 |
M |
0 |
|
|
0 |
|
|
|
|
17761 |
8405 |
product |
19723 |
M |
0 |
|
|
0 |
|
|
|
|
17764 |
8406 |
product |
19726 |
M |
0 |
|
|
0 |
|
|
|
|
17767 |
8407 |
product |
19729 |
M |
0 |
|
|
0 |
|
|
|
|
17770 |
8408 |
product |
19732 |
M |
0 |
|
|
0 |
|
|
|
|
17773 |
8409 |
product |
19735 |
M |
0 |
|
|
0 |
|
|
|
|
17776 |
8410 |
product |
19738 |
M |
0 |
|
|
0 |
|
|
|
|
17779 |
8412 |
product |
19741 |
M |
0 |
|
|
0 |
|
|
|
|
17782 |
8414 |
product |
19744 |
M |
0 |
|
|
0 |
|
|
|
|
17785 |
8415 |
product |
19747 |
M |
0 |
|
|
0 |
|
|
|
|
17788 |
8419 |
product |
19750 |
M |
0 |
|
|
0 |
|
|
|
|
17791 |
8425 |
product |
19753 |
M |
0 |
|
|
0 |
|
|
|
|
17794 |
8426 |
product |
19756 |
M |
0 |
|
|
0 |
|
|
|
|
17798 |
8427 |
product |
19760 |
M |
0 |
|
|
0 |
|
|
|
|
17802 |
8428 |
product |
19764 |
M |
0 |
|
|
0 |
|
|
|
|
17806 |
8429 |
product |
19768 |
M |
0 |
|
|
0 |
|
|
|
|
17809 |
8430 |
product |
19771 |
M |
0 |
|
|
0 |
|
|
|
|
17812 |
8431 |
product |
19774 |
M |
0 |
|
|
0 |
|
|
|
|
17815 |
8432 |
product |
19777 |
M |
0 |
|
|
0 |
|
|
|
|
17818 |
8435 |
product |
19780 |
M |
0 |
|
|
0 |
|
|
|
|
17821 |
8436 |
product |
19783 |
M |
0 |
|
|
0 |
|
|
|
|
17824 |
8438 |
product |
19786 |
M |
0 |
|
|
0 |
|
|
|
|
17827 |
8439 |
product |
19789 |
M |
0 |
|
|