Query time 0.00052
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "37.79"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "8.00"
},
"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": 8,
"rows_produced_per_join": 8,
"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 (65433,65422,65423,65426,65428,65429,65430,65431)))",
"cost_info": {
"read_cost": "14.21",
"eval_cost": "0.80",
"prefix_cost": "15.01",
"data_read_per_join": "768"
},
"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.detailed_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 8,
"filtered": "100.00",
"cost_info": {
"read_cost": "6.81",
"eval_cost": "0.80",
"prefix_cost": "22.63",
"data_read_per_join": "6K"
},
"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": 8,
"filtered": "100.00",
"cost_info": {
"read_cost": "6.37",
"eval_cost": "0.80",
"prefix_cost": "29.80",
"data_read_per_join": "4K"
},
"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 |
40357758632016.png |
1080 |
1080 |
N |
177544 |
65422 |
product |
178890 |
M |
0 |
|
178890 |
| 0 |
40466623004752.png |
451 |
451 |
N |
177545 |
65423 |
product |
178891 |
M |
0 |
|
178891 |
| 0 |
MD273GLIS240605_2.jpg |
1126 |
750 |
N |
177547 |
65433 |
product |
178893 |
M |
0 |
|
178893 |
| 0 |
3_a97982e4-6b05-487f-94b9-53fd614ddd71_5000x.png |
450 |
548 |
N |
177719 |
65431 |
product |
179065 |
M |
0 |
|
179065 |
| 0 |
2_af8145c9-c561-4a3f-aefa-bc05630f9b3f_5000x.png |
450 |
522 |
N |
177720 |
65430 |
product |
179066 |
M |
0 |
|
179066 |
| 0 |
654_ee0d3d36-726a-4cea-bfb6-9ad03524007a_5000x.png |
455 |
563 |
N |
177721 |
65429 |
product |
179067 |
M |
0 |
|
179067 |
| 0 |
1_5cb8fcfd-5437-49ff-81e9-a67e3e0eca2f_5000x.png |
451 |
523 |
N |
177722 |
65428 |
product |
179068 |
M |
0 |
|
179068 |
| 0 |
6_afb684b3-a1bf-4441-b436-0a85cc0c40f8_5000x.webp |
450 |
447 |
N |
177742 |
65426 |
product |
179088 |
M |
0 |
|
179088 |