Query time 0.00106
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "164.81"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "31.00"
},
"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": 31,
"rows_produced_per_join": 31,
"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 ('205','206','207','208','209','210','211','212','213','214','215','216','217','218','219','224')))",
"cost_info": {
"read_cost": "53.21",
"eval_cost": "6.20",
"prefix_cost": "59.41",
"data_read_per_join": "2K"
},
"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": 31,
"filtered": "100.00",
"cost_info": {
"read_cost": "31.00",
"eval_cost": "6.20",
"prefix_cost": "96.61",
"data_read_per_join": "23K"
},
"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": 31,
"filtered": "100.00",
"cost_info": {
"read_cost": "31.00",
"eval_cost": "6.20",
"prefix_cost": "133.81",
"data_read_per_join": "18K"
},
"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 |
3386460060509.jpg |
225 |
225 |
N |
424 |
219 |
product |
2401 |
M |
0 |
|
2401 |
0 |
3386460058766.jpg |
500 |
500 |
N |
429 |
224 |
product |
2406 |
M |
0 |
|
2406 |
0 |
3386460028394.jpg |
1000 |
1000 |
N |
445 |
205 |
product |
2422 |
M |
0 |
|
2422 |
0 |
3386460032698.jpg |
1000 |
1000 |
N |
447 |
206 |
product |
2424 |
M |
0 |
|
2424 |
0 |
3386460087940.jpg |
1000 |
826 |
N |
449 |
207 |
product |
2426 |
M |
0 |
|
2426 |
0 |
3386460087957.jpg |
962 |
1000 |
N |
451 |
208 |
product |
2428 |
M |
0 |
|
2428 |
0 |
3386460074827.jpg |
1000 |
1000 |
N |
453 |
209 |
product |
2430 |
M |
0 |
|
2430 |
0 |
3386460028325.jpg |
225 |
225 |
N |
455 |
210 |
product |
2432 |
M |
0 |
|
2432 |
0 |
3386460028356.jpg |
225 |
225 |
N |
457 |
211 |
product |
2434 |
M |
0 |
|
2434 |
0 |
3386460028462.jpg |
1200 |
1200 |
N |
459 |
212 |
product |
2436 |
M |
0 |
|
2436 |
0 |
3386460097994.jpg |
1400 |
1400 |
N |
461 |
213 |
product |
2438 |
M |
0 |
|
2438 |
0 |
3386460098045.jpg |
1000 |
1000 |
N |
463 |
214 |
product |
2440 |
M |
0 |
|
2440 |
0 |
3386460061377.jpg |
1000 |
1400 |
N |
465 |
215 |
product |
2442 |
M |
0 |
|
2442 |
0 |
3386460072465.jpg |
458 |
458 |
N |
467 |
216 |
product |
2444 |
M |
0 |
|
2444 |
0 |
3386460097888.jpg |
700 |
700 |
N |
469 |
217 |
product |
2446 |
M |
0 |
|
2446 |
0 |
3386460097857.jpg |
738 |
984 |
N |
471 |
218 |
product |
2448 |
M |
0 |
|
2448 |