Query time 0.00105
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "55.61"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "13.00"
},
"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": 13,
"rows_produced_per_join": 13,
"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 (69468,65818,65819,65822,13132,13144,19741,35766,65103,66365,8042,9544)))",
"cost_info": {
"read_cost": "18.48",
"eval_cost": "1.30",
"prefix_cost": "19.78",
"data_read_per_join": "1K"
},
"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.image_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 13,
"filtered": "100.00",
"cost_info": {
"read_cost": "10.64",
"eval_cost": "1.30",
"prefix_cost": "31.72",
"data_read_per_join": "9K"
},
"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": 13,
"filtered": "100.00",
"cost_info": {
"read_cost": "9.60",
"eval_cost": "1.30",
"prefix_cost": "42.62",
"data_read_per_join": "7K"
},
"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 |
|
|
|
|
20997 |
8042 |
product |
22349 |
M |
0 |
|
|
| 0 |
|
|
|
|
46652 |
13132 |
product |
48004 |
M |
0 |
|
|
| 0 |
|
|
|
|
65217 |
9544 |
product |
66569 |
M |
0 |
|
|
| 0 |
|
|
|
|
75382 |
13144 |
product |
76734 |
M |
0 |
|
|
| 0 |
|
|
|
|
76447 |
19741 |
product |
77799 |
M |
0 |
|
|
| 0 |
|
|
|
|
148264 |
35766 |
product |
149616 |
M |
0 |
|
|
| 0 |
|
|
|
|
175090 |
65103 |
product |
176436 |
M |
0 |
|
|
| 0 |
|
|
|
|
181755 |
66365 |
product |
183101 |
M |
0 |
|
|
| 0 |
|
|
|
|
195708 |
65819 |
product |
197046 |
M |
0 |
|
|
| 0 |
|
|
|
|
207915 |
69468 |
product |
209190 |
M |
0 |
|
|
| 0 |
|
|
|
|
195732 |
65822 |
product |
197070 |
M |
1 |
|
|
| 0 |
|
|
|
|
195692 |
65818 |
product |
197030 |
M |
7 |
|
|
| 0 |
|
|
|
|
195700 |
65818 |
product |
197038 |
M |
7 |
|
|