Query time 0.00088
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "59.12"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "11.00"
},
"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": 11,
"rows_produced_per_join": 11,
"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 (621057,621042,621062,621081,621045,621063,621066,621082,621067,621079,621078)))",
"cost_info": {
"read_cost": "22.94",
"eval_cost": "1.10",
"prefix_cost": "24.04",
"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": 11,
"filtered": "100.00",
"cost_info": {
"read_cost": "10.97",
"eval_cost": "1.10",
"prefix_cost": "36.11",
"data_read_per_join": "8K"
},
"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": 11,
"filtered": "100.00",
"cost_info": {
"read_cost": "10.91",
"eval_cost": "1.10",
"prefix_cost": "48.12",
"data_read_per_join": "6K"
},
"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 |
| 975300 |
621042 |
product |
0 |
975537 |
A |
0 |
|
|
|
|
|
| 975305 |
621045 |
product |
0 |
975542 |
A |
0 |
|
|
|
|
|
| 975330 |
621057 |
product |
0 |
975567 |
A |
0 |
|
|
|
|
|
| 975341 |
621062 |
product |
0 |
975578 |
A |
0 |
|
|
|
|
|
| 975343 |
621063 |
product |
0 |
975580 |
A |
0 |
|
|
|
|
|
| 975351 |
621067 |
product |
0 |
975588 |
A |
0 |
|
|
|
|
|
| 975371 |
621079 |
product |
0 |
975608 |
A |
0 |
|
|
|
|
|
| 975375 |
621081 |
product |
0 |
975612 |
A |
0 |
|
|
|
|
|