Query time 0.00102
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "140.81"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "26.00"
},
"nested_loop": [
{
"table": {
"table_name": "q_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": 26,
"rows_produced_per_join": 26,
"filtered": "100.00",
"index_condition": "((`portal`.`q_images_links`.`object_type` = 'product') and (`portal`.`q_images_links`.`type` = 'A') and (`portal`.`q_images_links`.`object_id` in ('9501','9502','9503','9504','9505','9506','9507','9508','9509','9510','9511','9512','9513','9514','9515','9516')))",
"cost_info": {
"read_cost": "47.21",
"eval_cost": "5.20",
"prefix_cost": "52.41",
"data_read_per_join": "2K"
},
"used_columns": [
"pair_id",
"object_id",
"object_type",
"image_id",
"detailed_id",
"type",
"position"
]
}
},
{
"table": {
"table_name": "q_images",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"image_id"
],
"key_length": "4",
"ref": [
"portal.q_images_links.image_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 26,
"filtered": "100.00",
"cost_info": {
"read_cost": "26.00",
"eval_cost": "5.20",
"prefix_cost": "83.61",
"data_read_per_join": "19K"
},
"used_columns": [
"image_id",
"image_path",
"image_x",
"image_y",
"is_high_res"
]
}
},
{
"table": {
"table_name": "q_common_descriptions",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"object_id",
"lang_code",
"object_holder"
],
"key_length": "107",
"ref": [
"portal.q_images.image_id",
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 26,
"filtered": "100.00",
"cost_info": {
"read_cost": "26.00",
"eval_cost": "5.20",
"prefix_cost": "114.81",
"data_read_per_join": "15K"
},
"used_columns": [
"object_id",
"description",
"lang_code",
"object_holder"
],
"attached_condition": "<if>(is_not_null_compl(q_common_descriptions), (`portal`.`q_common_descriptions`.`object_id` = `portal`.`q_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 |
|
|
|
|
20325 |
9501 |
product |
22287 |
A |
1 |
|
|
0 |
|
|
|
|
25594 |
9508 |
product |
27556 |
A |
1 |
|
|
0 |
|
|
|
|
25595 |
9507 |
product |
27557 |
A |
1 |
|
|
0 |
|
|
|
|
25603 |
9502 |
product |
27565 |
A |
1 |
|
|
0 |
|
|
|
|
25611 |
9510 |
product |
27573 |
A |
1 |
|
|
0 |
|
|
|
|
25833 |
9516 |
product |
27795 |
A |
1 |
|
|
0 |
|
|
|
|
25836 |
9515 |
product |
27798 |
A |
1 |
|
|
0 |
|
|
|
|
25839 |
9514 |
product |
27801 |
A |
1 |
|
|
0 |
|
|
|
|
25841 |
9513 |
product |
27803 |
A |
1 |
|
|
0 |
|
|
|
|
25849 |
9511 |
product |
27811 |
A |
1 |
|
|
0 |
|
|
|
|
25596 |
9507 |
product |
27558 |
A |
2 |
|
|
0 |
|
|
|
|
25598 |
9506 |
product |
27560 |
A |
2 |
|
|
0 |
|
|
|
|
25602 |
9503 |
product |
27564 |
A |
2 |
|
|
0 |
|
|
|
|
25604 |
9502 |
product |
27566 |
A |
2 |
|
|
0 |
|
|
|
|
25605 |
9501 |
product |
27567 |
A |
2 |
|
|
0 |
|
|
|
|
25612 |
9510 |
product |
27574 |
A |
2 |
|
|
0 |
|
|
|
|
25834 |
9516 |
product |
27796 |
A |
2 |
|
|
0 |
|
|
|
|
25837 |
9515 |
product |
27799 |
A |
2 |
|
|
0 |
|
|
|
|
25840 |
9514 |
product |
27802 |
A |
2 |
|
|
0 |
|
|
|
|
25842 |
9513 |
product |
27804 |
A |
2 |
|
|
0 |
|
|
|
|
25844 |
9512 |
product |
27806 |
A |
2 |
|
|
0 |
|
|
|
|
25850 |
9511 |
product |
27812 |
A |
2 |
|
|
0 |
|
|
|
|
25606 |
9501 |
product |
27568 |
A |
3 |
|
|
0 |
|
|
|
|
25835 |
9516 |
product |
27797 |
A |
3 |
|
|
0 |
|
|
|
|
25838 |
9515 |
product |
27800 |
A |
3 |
|
|
0 |
|
|
|
|
25843 |
9512 |
product |
27805 |
A |
3 |
|
|
0 |
|
|
|
|
25851 |
9511 |
product |
27813 |
A |
3 |
|
|
0 |
|
|
|
|
25845 |
9512 |
product |
27807 |
A |
5 |
|
|