Query time 0.00187
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "97.61"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "17.00"
},
"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": 17,
"rows_produced_per_join": 17,
"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 ('268','269','270','271','272','273','274','275','276','277','278','279','280','281','282','283')))",
"cost_info": {
"read_cost": "36.41",
"eval_cost": "3.40",
"prefix_cost": "39.81",
"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": 17,
"filtered": "100.00",
"cost_info": {
"read_cost": "17.00",
"eval_cost": "3.40",
"prefix_cost": "60.21",
"data_read_per_join": "13K"
},
"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": 17,
"filtered": "100.00",
"cost_info": {
"read_cost": "17.00",
"eval_cost": "3.40",
"prefix_cost": "80.61",
"data_read_per_join": "10K"
},
"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 |
737052497136.jpg |
350 |
350 |
N |
558 |
268 |
product |
2535 |
M |
0 |
|
2535 |
0 |
737052833859.jpg |
800 |
533 |
N |
560 |
269 |
product |
2537 |
M |
0 |
|
2537 |
0 |
737052968186.jpg |
432 |
481 |
N |
562 |
270 |
product |
2539 |
M |
0 |
|
2539 |
0 |
737052968148.jpg |
458 |
458 |
N |
564 |
271 |
product |
2541 |
M |
0 |
|
2541 |
0 |
737052497259.jpg |
800 |
800 |
N |
565 |
272 |
product |
2542 |
M |
0 |
|
2542 |
0 |
737052834177.jpg |
650 |
650 |
N |
567 |
273 |
product |
2544 |
M |
0 |
|
2544 |
0 |
737052785172.jpg |
700 |
700 |
N |
569 |
274 |
product |
2546 |
M |
0 |
|
2546 |
0 |
737052834092.jpg |
1000 |
1000 |
N |
571 |
275 |
product |
2548 |
M |
0 |
|
2548 |
0 |
737052684079.jpg |
1080 |
1080 |
N |
573 |
276 |
product |
2550 |
M |
0 |
|
2550 |
0 |
737052833934.jpg |
1000 |
1000 |
N |
575 |
277 |
product |
2552 |
M |
0 |
|
2552 |
0 |
737052497198.jpg |
1000 |
1000 |
N |
577 |
278 |
product |
2554 |
M |
0 |
|
2554 |
0 |
737052833972.jpg |
1000 |
1000 |
N |
579 |
279 |
product |
2556 |
M |
0 |
|
2556 |
0 |
737052497228.jpg |
1000 |
1000 |
N |
581 |
280 |
product |
2558 |
M |
0 |
|
2558 |
0 |
3614223162963.jpg |
1000 |
1000 |
N |
583 |
281 |
product |
2560 |
M |
0 |
|
2560 |
0 |
3614223164462.jpg |
1000 |
1000 |
N |
585 |
282 |
product |
2562 |
M |
0 |
|
2562 |
0 |
088300104406.jpg |
1000 |
1000 |
N |
587 |
283 |
product |
2564 |
M |
0 |
|
2564 |