Query time 0.00103
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "56.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "10.00"
},
"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": 10,
"rows_produced_per_join": 10,
"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 ('13575','13608','13681','15525','15532','15533','15534','15818')))",
"cost_info": {
"read_cost": "20.01",
"eval_cost": "2.00",
"prefix_cost": "22.01",
"data_read_per_join": "960"
},
"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": 10,
"filtered": "100.00",
"cost_info": {
"read_cost": "10.00",
"eval_cost": "2.00",
"prefix_cost": "34.01",
"data_read_per_join": "7K"
},
"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": 10,
"filtered": "100.00",
"cost_info": {
"read_cost": "10.00",
"eval_cost": "2.00",
"prefix_cost": "46.01",
"data_read_per_join": "5K"
},
"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 |
31wbM8-utrL.jpg |
500 |
500 |
N |
27469 |
13575 |
product |
29431 |
M |
0 |
|
29431 |
0 |
51EmtEikmfL.jpg |
500 |
500 |
N |
27503 |
13608 |
product |
29465 |
M |
0 |
|
29465 |
0 |
41UmUIjRdXL.jpg |
389 |
500 |
N |
27582 |
13681 |
product |
29544 |
M |
0 |
|
29544 |
0 |
41rfcCVWTLL.jpg |
500 |
476 |
N |
29428 |
15525 |
product |
31390 |
M |
0 |
|
31390 |
0 |
41WHp63PSNL.jpg |
500 |
345 |
N |
29435 |
15532 |
product |
31397 |
M |
0 |
|
31397 |
0 |
51pAOKivyLL.jpg |
500 |
500 |
N |
29436 |
15533 |
product |
31398 |
M |
0 |
|
31398 |
0 |
417IpQq-oQL.jpg |
500 |
500 |
N |
29437 |
15534 |
product |
31399 |
M |
0 |
|
31399 |
0 |
41nEVsN5zwL.jpg |
500 |
500 |
N |
29721 |
15818 |
product |
31683 |
M |
0 |
|
31683 |