Query time 0.00052
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "69.64"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "15.00"
},
"nested_loop": [
{
"table": {
"table_name": "cscart_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": 15,
"rows_produced_per_join": 15,
"filtered": "100.00",
"index_condition": "((`maniamall_cscart`.`cscart_images_links`.`object_type` = 'product') and (`maniamall_cscart`.`cscart_images_links`.`type` = 'A') and (`maniamall_cscart`.`cscart_images_links`.`object_id` in (481220,1440625,2072332,2072333)))",
"cost_info": {
"read_cost": "20.30",
"eval_cost": "1.50",
"prefix_cost": "21.80",
"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": "3",
"ref": [
"maniamall_cscart.cscart_images_links.image_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 15,
"filtered": "100.00",
"cost_info": {
"read_cost": "14.96",
"eval_cost": "1.50",
"prefix_cost": "38.26",
"data_read_per_join": "11K"
},
"used_columns": [
"image_id",
"image_path",
"image_x",
"image_y"
],
"attached_condition": "<if>(is_not_null_compl(cscart_images), (`maniamall_cscart`.`cscart_images_links`.`image_id` = `maniamall_cscart`.`cscart_images`.`image_id`), true)"
}
},
{
"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": [
"maniamall_cscart.cscart_images.image_id",
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 15,
"filtered": "100.00",
"cost_info": {
"read_cost": "14.88",
"eval_cost": "1.50",
"prefix_cost": "54.64",
"data_read_per_join": "8K"
},
"used_columns": [
"object_id",
"description",
"lang_code",
"object_holder"
],
"attached_condition": "<if>(is_not_null_compl(cscart_common_descriptions), (`maniamall_cscart`.`cscart_common_descriptions`.`object_id` = `maniamall_cscart`.`cscart_images`.`image_id`), true)"
}
}
]
}
}
}
Result
| pair_id |
object_id |
object_type |
image_id |
detailed_id |
type |
position |
image_path |
alt |
image_x |
image_y |
images_image_id |
| 751364 |
481220 |
product |
0 |
751601 |
A |
0 |
|
|
|
|
|
| 751365 |
481220 |
product |
0 |
751602 |
A |
0 |
|
|
|
|
|
| 751366 |
481220 |
product |
0 |
751603 |
A |
0 |
|
|
|
|
|
| 751367 |
481220 |
product |
0 |
751604 |
A |
0 |
|
|
|
|
|
| 751368 |
481220 |
product |
0 |
751605 |
A |
0 |
|
|
|
|
|
| 751369 |
481220 |
product |
0 |
751606 |
A |
0 |
|
|
|
|
|
| 751370 |
481220 |
product |
0 |
751607 |
A |
0 |
|
|
|
|
|
| 2667637 |
1440625 |
product |
0 |
2667890 |
A |
0 |
|
|
|
|
|
| 2667638 |
1440625 |
product |
0 |
2667891 |
A |
0 |
|
|
|
|
|
| 2667639 |
1440625 |
product |
0 |
2667892 |
A |
0 |
|
|
|
|
|
| 2667640 |
1440625 |
product |
0 |
2667893 |
A |
0 |
|
|
|
|
|
| 4986202 |
2072332 |
product |
0 |
4986455 |
A |
0 |
|
|
|
|
|
| 4986203 |
2072332 |
product |
0 |
4986456 |
A |
0 |
|
|
|
|
|
| 4986205 |
2072333 |
product |
0 |
4986458 |
A |
0 |
|
|
|
|
|
| 4986206 |
2072333 |
product |
0 |
4986459 |
A |
0 |
|
|
|
|
|