Query time 0.00297
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "53.50"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "10.00"
},
"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": 10,
"rows_produced_per_join": 10,
"filtered": "100.00",
"index_condition": "((`maniamall_cscart`.`cscart_images_links`.`object_type` = 'product') and (`maniamall_cscart`.`cscart_images_links`.`type` = 'M') and (`maniamall_cscart`.`cscart_images_links`.`object_id` in (2055715,2055664,1274272,1141555,2055661,1274284,2196550,1700036,2096858,1722345)))",
"cost_info": {
"read_cost": "20.66",
"eval_cost": "1.00",
"prefix_cost": "21.66",
"data_read_per_join": "960"
},
"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": 10,
"filtered": "100.00",
"cost_info": {
"read_cost": "9.95",
"eval_cost": "1.00",
"prefix_cost": "32.61",
"data_read_per_join": "7K"
},
"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": 10,
"filtered": "100.00",
"cost_info": {
"read_cost": "9.89",
"eval_cost": "1.00",
"prefix_cost": "43.50",
"data_read_per_join": "5K"
},
"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 |
| 1839014 |
1141555 |
product |
0 |
1839266 |
M |
0 |
|
|
|
|
|
| 2069017 |
1274272 |
product |
0 |
2069269 |
M |
0 |
|
|
|
|
|
| 2069052 |
1274284 |
product |
0 |
2069304 |
M |
0 |
|
|
|
|
|
| 3816720 |
1700036 |
product |
0 |
3816973 |
M |
0 |
|
|
|
|
|
| 3912178 |
1722345 |
product |
0 |
3912431 |
M |
0 |
|
|
|
|
|
| 4918339 |
2055661 |
product |
0 |
4918592 |
M |
0 |
|
|
|
|
|
| 4918352 |
2055664 |
product |
0 |
4918605 |
M |
0 |
|
|
|
|
|
| 4918513 |
2055715 |
product |
0 |
4918766 |
M |
0 |
|
|
|
|
|
| 5137906 |
2096858 |
product |
0 |
5138159 |
M |
0 |
|
|
|
|
|
| 5531109 |
2196550 |
product |
0 |
5531362 |
M |
0 |
|
|
|
|
|