Query time 0.00105
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "155.21"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "29.00"
},
"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": 29,
"rows_produced_per_join": 29,
"filtered": "100.00",
"index_condition": "((`portal`.`q_images_links`.`object_type` = 'product') and (`portal`.`q_images_links`.`type` = 'A') and (`portal`.`q_images_links`.`object_id` in ('225','226','227','228','174','175','176','177','178','179','180','181','182','183','184','185')))",
"cost_info": {
"read_cost": "50.81",
"eval_cost": "5.80",
"prefix_cost": "56.61",
"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": 29,
"filtered": "100.00",
"cost_info": {
"read_cost": "29.00",
"eval_cost": "5.80",
"prefix_cost": "91.41",
"data_read_per_join": "22K"
},
"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": 29,
"filtered": "100.00",
"cost_info": {
"read_cost": "29.00",
"eval_cost": "5.80",
"prefix_cost": "126.21",
"data_read_per_join": "17K"
},
"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 |
3274871928283.jpg |
455 |
496 |
N |
390 |
181 |
product |
2367 |
A |
1 |
|
2367 |
0 |
3386460032759.jpg |
900 |
900 |
N |
431 |
226 |
product |
2408 |
A |
1 |
|
2408 |
0 |
3274871928283-2.jpg |
225 |
225 |
N |
391 |
181 |
product |
2368 |
A |
2 |
|
2368 |
0 |
3352818718019-2.jpg |
1000 |
1000 |
N |
378 |
174 |
product |
2355 |
A |
10 |
|
2355 |
0 |
3274872341104-2.jpg |
1000 |
1000 |
N |
381 |
176 |
product |
2358 |
A |
10 |
|
2358 |
0 |
3274872341098-2.jpg |
1200 |
1200 |
N |
383 |
177 |
product |
2360 |
A |
10 |
|
2360 |
0 |
3274871932310-2.jpg |
1000 |
1000 |
N |
385 |
178 |
product |
2362 |
A |
10 |
|
2362 |
0 |
3274872323872-2.jpg |
900 |
900 |
N |
387 |
179 |
product |
2364 |
A |
10 |
|
2364 |
0 |
3274872299474-2.jpg |
1200 |
1200 |
N |
389 |
180 |
product |
2366 |
A |
10 |
|
2366 |
0 |
3274872307926-2.jpg |
500 |
500 |
N |
393 |
182 |
product |
2370 |
A |
10 |
|
2370 |
0 |
3274872324015-2.jpg |
600 |
350 |
N |
395 |
183 |
product |
2372 |
A |
10 |
|
2372 |
0 |
3274872323667-2.jpg |
800 |
600 |
N |
397 |
184 |
product |
2374 |
A |
10 |
|
2374 |
0 |
3274872289994-2.jpg |
800 |
800 |
N |
399 |
185 |
product |
2376 |
A |
10 |
|
2376 |