Query time 0.00111
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "208.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "40.00"
},
"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": 40,
"rows_produced_per_join": 40,
"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 ('38173','38174','38175','38176','38177','38178','38179','38180','38181','38182','38183','38184','38185','38186','38187','38188')))",
"cost_info": {
"read_cost": "64.01",
"eval_cost": "8.00",
"prefix_cost": "72.01",
"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.detailed_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 40,
"filtered": "100.00",
"cost_info": {
"read_cost": "40.00",
"eval_cost": "8.00",
"prefix_cost": "120.01",
"data_read_per_join": "30K"
},
"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": 40,
"filtered": "100.00",
"cost_info": {
"read_cost": "40.00",
"eval_cost": "8.00",
"prefix_cost": "168.01",
"data_read_per_join": "23K"
},
"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 |
375x500.3671.jpg |
375 |
500 |
N |
59323 |
38173 |
product |
61279 |
M |
0 |
|
61279 |
0 |
51yt55eODlL._SX522_.jpg |
522 |
522 |
N |
59324 |
38174 |
product |
61280 |
M |
0 |
|
61280 |
0 |
375x500.3239.jpg |
375 |
500 |
N |
59325 |
38175 |
product |
61281 |
M |
0 |
|
61281 |
0 |
51eltpZNCmL._SX522_.jpg |
522 |
522 |
N |
59326 |
38176 |
product |
61282 |
M |
0 |
|
61282 |
0 |
75655w.jpg |
600 |
600 |
N |
59327 |
38177 |
product |
61283 |
M |
0 |
|
61283 |
0 |
518CearvhtL._SX522_.jpg |
522 |
522 |
N |
59328 |
38178 |
product |
61284 |
M |
0 |
|
61284 |
0 |
download__2__i5y7-56.jpg |
224 |
300 |
N |
59330 |
38180 |
product |
61286 |
M |
0 |
|
61286 |
0 |
montale-chocolategreedy.jpg |
350 |
350 |
N |
59331 |
38181 |
product |
61287 |
M |
0 |
|
61287 |
0 |
375x500.3772.jpg |
375 |
500 |
N |
59332 |
38182 |
product |
61288 |
M |
0 |
|
61288 |
0 |
375x500.9556.jpg |
375 |
500 |
N |
59333 |
38183 |
product |
61289 |
M |
0 |
|
61289 |
0 |
intense-pepper.jpg |
248 |
414 |
N |
59335 |
38185 |
product |
61291 |
M |
0 |
|
61291 |
0 |
35447.jpg |
400 |
575 |
N |
59336 |
38186 |
product |
61292 |
M |
0 |
|
61292 |
0 |
New-York-Intense100ml.jpg |
800 |
1000 |
N |
59338 |
38188 |
product |
61294 |
M |
0 |
|
61294 |
0 |
51tGuMo8KTL._SX522_.jpg |
522 |
522 |
N |
59329 |
38179 |
product |
61285 |
M |
1 |
|
61285 |
0 |
s-l300_ift6-9x.jpg |
225 |
300 |
N |
62004 |
38184 |
product |
63960 |
M |
1 |
|
63960 |
0 |
s-l1600_ts91-ju.jpg |
1600 |
1200 |
N |
67587 |
38187 |
product |
69538 |
M |
2 |
|
69538 |