Query time 0.00101
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "69.40"
},
"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"
],
"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": "((`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 (447588,1339719,1339739,1192887,1219240,1395185,2077230,1395190,2055498,2055509,1938388,2077234,2068205)))",
"cost_info": {
"read_cost": "26.69",
"eval_cost": "1.30",
"prefix_cost": "27.99",
"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": 13,
"filtered": "100.00",
"cost_info": {
"read_cost": "12.96",
"eval_cost": "1.30",
"prefix_cost": "42.25",
"data_read_per_join": "9K"
},
"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": 13,
"filtered": "100.00",
"cost_info": {
"read_cost": "12.86",
"eval_cost": "1.30",
"prefix_cost": "56.40",
"data_read_per_join": "7K"
},
"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 |
| 707893 |
447588 |
product |
0 |
708130 |
M |
0 |
|
|
|
|
|
| 1918018 |
1192887 |
product |
0 |
1918270 |
M |
0 |
|
|
|
|
|
| 1968369 |
1219240 |
product |
0 |
1968621 |
M |
0 |
|
|
|
|
|
| 2260729 |
1339719 |
product |
0 |
2260981 |
M |
0 |
|
|
|
|
|
| 2260845 |
1339739 |
product |
0 |
2261097 |
M |
0 |
|
|
|
|
|
| 2419853 |
1395185 |
product |
0 |
2420105 |
M |
0 |
|
|
|
|
|
| 2420560 |
1395190 |
product |
0 |
2420812 |
M |
0 |
|
|
|
|
|
| 4673399 |
1938388 |
product |
0 |
4673652 |
M |
0 |
|
|
|
|
|
| 4918101 |
2055498 |
product |
0 |
4918354 |
M |
0 |
|
|
|
|
|
| 4918136 |
2055509 |
product |
0 |
4918389 |
M |
0 |
|
|
|
|
|
| 4962605 |
2068205 |
product |
0 |
4962858 |
M |
0 |
|
|
|
|
|
| 5017059 |
2077230 |
product |
0 |
5017312 |
M |
0 |
|
|
|
|
|
| 5017079 |
2077234 |
product |
0 |
5017332 |
M |
0 |
|
|
|
|
|