Query time 0.00067
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "14.41"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "6.00"
},
"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": 6,
"rows_produced_per_join": 6,
"filtered": "100.00",
"index_condition": "((`gaseus`.`cscart_images_links`.`object_type` = 'product') and (`gaseus`.`cscart_images_links`.`type` = 'M') and (`gaseus`.`cscart_images_links`.`object_id` in (11838,11839,11840,11841,11842,11843)))",
"cost_info": {
"read_cost": "3.61",
"eval_cost": "0.60",
"prefix_cost": "4.21",
"data_read_per_join": "576"
},
"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": [
"gaseus.cscart_images_links.detailed_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 6,
"filtered": "100.00",
"cost_info": {
"read_cost": "1.50",
"eval_cost": "0.60",
"prefix_cost": "6.31",
"data_read_per_join": "4K"
},
"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": "108",
"ref": [
"gaseus.cscart_images.image_id",
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 6,
"filtered": "100.00",
"cost_info": {
"read_cost": "1.50",
"eval_cost": "0.60",
"prefix_cost": "8.41",
"data_read_per_join": "3K"
},
"used_columns": [
"object_id",
"description",
"lang_code",
"object_holder"
]
}
}
]
}
}
}
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 |
1498123389-2467-1_600x600_2x.jpg |
500 |
491 |
N |
11310 |
11838 |
product |
14793 |
M |
0 |
|
14793 |
| 0 |
1498123389-2467-1_600x600_2x_f4af-gv.jpg |
500 |
491 |
N |
11311 |
11839 |
product |
14794 |
M |
0 |
|
14794 |
| 0 |
1498123389-2467-1_600x600_2x_0w3e-26.jpg |
500 |
491 |
N |
11312 |
11840 |
product |
14795 |
M |
0 |
|
14795 |
| 0 |
1498123389-2467-1_600x600_2x_jcct-5y.jpg |
500 |
491 |
N |
11313 |
11841 |
product |
14796 |
M |
0 |
|
14796 |
| 0 |
1498123389-2467-1_600x600_2x_55j7-58.jpg |
500 |
491 |
N |
11314 |
11842 |
product |
14797 |
M |
0 |
|
14797 |
| 0 |
1498123389-2467-1_600x600_2x_i11q-g2.jpg |
500 |
491 |
N |
11315 |
11843 |
product |
14798 |
M |
0 |
|
14798 |