Query time 0.00120
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "112.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "20.00"
},
"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": 20,
"rows_produced_per_join": 20,
"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 ('14546','14547','14548','14549','14550','14551','14552','14553','14554','14555','14556','14557','14558','14559','14560','14561')))",
"cost_info": {
"read_cost": "40.01",
"eval_cost": "4.00",
"prefix_cost": "44.01",
"data_read_per_join": "1K"
},
"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": 20,
"filtered": "100.00",
"cost_info": {
"read_cost": "20.00",
"eval_cost": "4.00",
"prefix_cost": "68.01",
"data_read_per_join": "15K"
},
"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": 20,
"filtered": "100.00",
"cost_info": {
"read_cost": "20.00",
"eval_cost": "4.00",
"prefix_cost": "92.01",
"data_read_per_join": "11K"
},
"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 |
51XqMajTZTL.jpg |
500 |
500 |
N |
28454 |
14546 |
product |
30416 |
M |
0 |
|
30416 |
0 |
51Gt50nRx2L.jpg |
500 |
370 |
N |
28455 |
14547 |
product |
30417 |
M |
0 |
|
30417 |
0 |
51_zXZk2jSL.jpg |
500 |
500 |
N |
28456 |
14548 |
product |
30418 |
M |
0 |
|
30418 |
0 |
411lP2eEMKL.jpg |
500 |
500 |
N |
28457 |
14549 |
product |
30419 |
M |
0 |
|
30419 |
0 |
51m6J_16T2L.jpg |
500 |
423 |
N |
28458 |
14550 |
product |
30420 |
M |
0 |
|
30420 |
0 |
51i5EfDaOIL.jpg |
500 |
500 |
N |
28459 |
14551 |
product |
30421 |
M |
0 |
|
30421 |
0 |
41w0tjLBOXL.jpg |
500 |
382 |
N |
28460 |
14552 |
product |
30422 |
M |
0 |
|
30422 |
0 |
51VVLDqpoLL.jpg |
500 |
500 |
N |
28461 |
14553 |
product |
30423 |
M |
0 |
|
30423 |
0 |
51-YZUT8rpL.jpg |
500 |
500 |
N |
28462 |
14554 |
product |
30424 |
M |
0 |
|
30424 |
0 |
31VXSoGc7RL.jpg |
500 |
500 |
N |
28463 |
14555 |
product |
30425 |
M |
0 |
|
30425 |
0 |
31hSHSfUkOL.jpg |
500 |
500 |
N |
28464 |
14556 |
product |
30426 |
M |
0 |
|
30426 |
0 |
416DMsDPbQL.jpg |
460 |
500 |
N |
28465 |
14557 |
product |
30427 |
M |
0 |
|
30427 |
0 |
414jnKqn8UL.jpg |
261 |
500 |
N |
28466 |
14558 |
product |
30428 |
M |
0 |
|
30428 |
0 |
31DuBcw-ZtL.jpg |
198 |
500 |
N |
28467 |
14559 |
product |
30429 |
M |
0 |
|
30429 |
0 |
616e7TIrJ-L.jpg |
500 |
500 |
N |
28468 |
14560 |
product |
30430 |
M |
0 |
|
30430 |
0 |
51qeCQ0KpML.jpg |
500 |
500 |
N |
28469 |
14561 |
product |
30431 |
M |
0 |
|
30431 |