Query time 0.00106
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "37.36"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "8.00"
},
"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": 8,
"rows_produced_per_join": 8,
"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 (37830,37831,66982,38680,33698,65259,32160,69312)))",
"cost_info": {
"read_cost": "14.04",
"eval_cost": "0.80",
"prefix_cost": "14.84",
"data_read_per_join": "768"
},
"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": 8,
"filtered": "100.00",
"cost_info": {
"read_cost": "6.72",
"eval_cost": "0.80",
"prefix_cost": "22.36",
"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": 8,
"filtered": "100.00",
"cost_info": {
"read_cost": "6.20",
"eval_cost": "0.80",
"prefix_cost": "29.36",
"data_read_per_join": "4K"
},
"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 |
1__1__ju8u-cu.jpg |
1000 |
1000 |
N |
125799 |
32160 |
product |
127151 |
M |
0 |
|
127151 |
| 0 |
1_63uh-ix.jpg |
679 |
710 |
N |
166015 |
37830 |
product |
167364 |
M |
0 |
|
167364 |
| 0 |
I_MFROMRiceToner30ml.jpg |
768 |
768 |
N |
193891 |
37831 |
product |
195229 |
M |
0 |
|
195229 |
| 0 |
1_tfdt-un.jpg |
1500 |
1500 |
N |
205475 |
69312 |
product |
206759 |
M |
0 |
|
206759 |
| 0 |
1_78xs-q5.jpg |
1500 |
1500 |
N |
208652 |
33698 |
product |
209927 |
M |
0 |
|
209927 |
| 0 |
8809652581781_1.jpg |
2000 |
2000 |
N |
215007 |
65259 |
product |
216282 |
M |
1 |
|
216282 |
| 0 |
B501.jpeg |
658 |
734 |
N |
185602 |
66982 |
product |
186948 |
M |
2 |
|
186948 |
| 0 |
biodancef-2_a1a2-j6.jpeg |
800 |
800 |
N |
169376 |
38680 |
product |
170725 |
M |
15 |
|
170725 |