Query time 0.00074
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "37.03"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "9.00"
},
"nested_loop": [
{
"table": {
"table_name": "cscart_images_links",
"access_type": "range",
"possible_keys": [
"object_id",
"idx_object_type_type_position"
],
"key": "object_id",
"used_key_parts": [
"object_id",
"object_type",
"type"
],
"key_length": "81",
"rows_examined_per_scan": 9,
"rows_produced_per_join": 9,
"filtered": "100.00",
"index_condition": "((`cscart_db`.`cscart_images_links`.`object_type` = 'product') and (`cscart_db`.`cscart_images_links`.`type` = 'M') and (`cscart_db`.`cscart_images_links`.`object_id` in (37276,29989,37553,37830,69059,69074,69077,69092)))",
"cost_info": {
"read_cost": "12.18",
"eval_cost": "0.90",
"prefix_cost": "13.08",
"data_read_per_join": "864"
},
"used_columns": [
"pair_id",
"object_id",
"object_type",
"image_id",
"detailed_id",
"type",
"position"
]
}
},
{
"table": {
"table_name": "cscart_images",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"image_id"
],
"key_length": "4",
"ref": [
"cscart_db.cscart_images_links.detailed_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 9,
"filtered": "100.00",
"cost_info": {
"read_cost": "6.93",
"eval_cost": "0.90",
"prefix_cost": "20.92",
"data_read_per_join": "6K"
},
"used_columns": [
"image_id",
"image_path",
"image_x",
"image_y",
"is_high_res"
]
}
},
{
"table": {
"table_name": "cscart_common_descriptions",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"object_id",
"lang_code",
"object_holder"
],
"key_length": "107",
"ref": [
"cscart_db.cscart_images.image_id",
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 9,
"filtered": "100.00",
"cost_info": {
"read_cost": "6.21",
"eval_cost": "0.90",
"prefix_cost": "28.03",
"data_read_per_join": "5K"
},
"used_columns": [
"object_id",
"description",
"lang_code",
"object_holder"
],
"attached_condition": "<if>(is_not_null_compl(cscart_common_descriptions), (`cscart_db`.`cscart_common_descriptions`.`object_id` = `cscart_db`.`cscart_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 |
uc.jpg |
2250 |
2250 |
N |
114360 |
29989 |
product |
115712 |
M |
0 |
|
115712 |
| 0 |
1_63uh-ix.jpg |
679 |
710 |
N |
166015 |
37830 |
product |
167364 |
M |
0 |
|
167364 |
| 0 |
uc_387p-qq.jpg |
2250 |
2250 |
N |
202885 |
69059 |
product |
204169 |
M |
0 |
|
204169 |
| 0 |
uc_m8vn-hc.jpg |
2250 |
2250 |
N |
203027 |
69074 |
product |
204311 |
M |
0 |
|
204311 |
| 0 |
uc_9exp-wx.jpg |
2250 |
2250 |
N |
203055 |
69077 |
product |
204339 |
M |
0 |
|
204339 |
| 0 |
uc_aejj-to.jpg |
2250 |
2250 |
N |
203166 |
69092 |
product |
204450 |
M |
0 |
|
204450 |
| 0 |
_Beauty_of_Joseon_Relief_SunFace_Sunscreen.jpg |
1500 |
1500 |
N |
213851 |
37553 |
product |
215126 |
M |
0 |
|
215126 |
| 0 |
1_z3b4-ji.png |
1020 |
1020 |
N |
197379 |
37276 |
product |
198717 |
M |
4 |
|
198717 |
| 0 |
1_z3b4-ji_3omq-gg.png |
1020 |
1020 |
N |
197385 |
37276 |
product |
198723 |
M |
4 |
|
198723 |