Query time 0.00054
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "9.61"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "4.00"
},
"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": 4,
"rows_produced_per_join": 4,
"filtered": "100.00",
"index_condition": "((`dbggbern`.`cscart_images_links`.`object_type` = 'logos') and (`dbggbern`.`cscart_images_links`.`type` = 'M') and (`dbggbern`.`cscart_images_links`.`object_id` in (8,21,22,23)))",
"cost_info": {
"read_cost": "2.41",
"eval_cost": "0.40",
"prefix_cost": "2.81",
"data_read_per_join": "384"
},
"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": [
"dbggbern.cscart_images_links.image_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 4,
"filtered": "100.00",
"cost_info": {
"read_cost": "1.00",
"eval_cost": "0.40",
"prefix_cost": "4.21",
"data_read_per_join": "3K"
},
"used_columns": [
"image_id",
"image_path",
"image_x",
"image_y",
"is_high_res",
"phash",
"transparent"
]
}
},
{
"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": [
"dbggbern.cscart_images.image_id",
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 4,
"filtered": "100.00",
"cost_info": {
"read_cost": "1.00",
"eval_cost": "0.40",
"prefix_cost": "5.61",
"data_read_per_join": "2K"
},
"used_columns": [
"object_id",
"description",
"lang_code",
"object_holder"
]
}
}
]
}
}
}
Result
| image_id |
image_path |
image_x |
image_y |
is_high_res |
phash |
transparent |
pair_id |
object_id |
object_type |
detailed_id |
type |
position |
alt |
images_image_id |
| 1309 |
gift_cert_logo.png |
176 |
42 |
N |
f0a6c843239007c9a38d135b7c115635ad9c7f2efa69330783b6d23a4c48bdc0 |
N |
32 |
8 |
logos |
0 |
M |
0 |
|
1309 |
| 1322 |
Normal-768x614-2_yzth-re.png |
384 |
307 |
Y |
|
N |
45 |
21 |
logos |
0 |
M |
0 |
|
1322 |
| 1323 |
Version_4.png |
46 |
46 |
N |
|
N |
46 |
22 |
logos |
0 |
M |
0 |
|
1323 |
| 1324 |
Normal-768x614.png |
768 |
614 |
N |
|
N |
47 |
23 |
logos |
0 |
M |
0 |
|
1324 |