Query time 0.00070
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "20.11"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "9.00"
},
"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": 9,
"rows_produced_per_join": 9,
"filtered": "100.00",
"index_condition": "((`cscartdb`.`cscart_images_links`.`object_type` = 'logos') and (`cscartdb`.`cscart_images_links`.`type` = 'M') and (`cscartdb`.`cscart_images_links`.`object_id` in (39,40,56)))",
"cost_info": {
"read_cost": "3.91",
"eval_cost": "0.90",
"prefix_cost": "4.81",
"data_read_per_join": "936"
},
"used_columns": [
"pair_id",
"object_id",
"object_type",
"image_id",
"detailed_id",
"type",
"position",
"nipple"
]
}
},
{
"table": {
"table_name": "cscart_images",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"image_id"
],
"key_length": "4",
"ref": [
"cscartdb.cscart_images_links.image_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 9,
"filtered": "100.00",
"cost_info": {
"read_cost": "2.25",
"eval_cost": "0.90",
"prefix_cost": "7.96",
"data_read_per_join": "6K"
},
"used_columns": [
"image_id",
"image_path",
"image_x",
"image_y",
"duplicated"
]
}
},
{
"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": "108",
"ref": [
"cscartdb.cscart_images.image_id",
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 9,
"filtered": "100.00",
"cost_info": {
"read_cost": "2.25",
"eval_cost": "0.90",
"prefix_cost": "11.11",
"data_read_per_join": "5K"
},
"used_columns": [
"object_id",
"description",
"lang_code",
"object_holder"
]
}
}
]
}
}
}
Result
image_id |
image_path |
image_x |
image_y |
duplicated |
pair_id |
object_id |
object_type |
detailed_id |
type |
position |
nipple |
alt |
images_image_id |
8668 |
twitter_logo.jpg |
2000 |
2000 |
8668 |
52 |
39 |
logos |
0 |
M |
0 |
|
Twisted Fantasies |
8668 |
8669 |
twistedfantasies-700x700_q3oj-x5-transformed_3lv7-h3.jpeg |
2800 |
2800 |
|
53 |
40 |
logos |
0 |
M |
0 |
|
Twisted Fantasies |
8669 |
8686 |
66ce0839b714f_1724778553.png |
3600 |
900 |
|
70 |
56 |
logos |
0 |
M |
0 |
|
Twisted Fantasies |
8686 |