Query time 0.00295
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "12.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "5.00"
},
"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": 5,
"rows_produced_per_join": 5,
"filtered": "100.00",
"index_condition": "((`softwarepirmam_hewadelivard_cscart_4`.`cscart_images_links`.`object_type` = 'product') and (`softwarepirmam_hewadelivard_cscart_4`.`cscart_images_links`.`type` = 'M') and (`softwarepirmam_hewadelivard_cscart_4`.`cscart_images_links`.`object_id` in (4716,4715,3598,4718,4717)))",
"cost_info": {
"read_cost": "3.01",
"eval_cost": "0.50",
"prefix_cost": "3.51",
"data_read_per_join": "480"
},
"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": [
"softwarepirmam_hewadelivard_cscart_4.cscart_images_links.detailed_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 5,
"filtered": "100.00",
"cost_info": {
"read_cost": "1.25",
"eval_cost": "0.50",
"prefix_cost": "5.26",
"data_read_per_join": "3K"
},
"used_columns": [
"image_id",
"image_path",
"image_x",
"image_y",
"is_high_res",
"transparent",
"cp_in_opt_list"
]
}
},
{
"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": [
"softwarepirmam_hewadelivard_cscart_4.cscart_images.image_id",
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 5,
"filtered": "100.00",
"cost_info": {
"read_cost": "1.25",
"eval_cost": "0.50",
"prefix_cost": "7.01",
"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 |
transparent |
cp_in_opt_list |
pair_id |
object_id |
object_type |
detailed_id |
type |
position |
alt |
images_image_id |
| 0 |
Delivard_moew-5j.jpg |
900 |
900 |
N |
N |
Y |
23521 |
3598 |
product |
17708 |
M |
0 |
|
17708 |
| 0 |
Delivard_3nj8-vj.jpg |
900 |
900 |
N |
N |
Y |
23541 |
4715 |
product |
17713 |
M |
0 |
|
17713 |
| 0 |
Delivard_qc4t-5y.jpg |
900 |
900 |
N |
N |
Y |
23547 |
4718 |
product |
17719 |
M |
0 |
|
17719 |
| 0 |
Delivard_tlog-l7.jpg |
900 |
900 |
N |
N |
Y |
23550 |
4717 |
product |
17722 |
M |
0 |
|
17722 |
| 0 |
Delivard_3hv5-zb.jpg |
900 |
900 |
N |
N |
Y |
23544 |
4716 |
product |
17716 |
M |
4 |
|
17716 |