Query time 0.00103
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "131.21"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "24.00"
},
"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": 24,
"rows_produced_per_join": 24,
"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 ('18','19','20','21','22','23','24','25','26','27','28','29','30','31','32','33')))",
"cost_info": {
"read_cost": "44.81",
"eval_cost": "4.80",
"prefix_cost": "49.61",
"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.detailed_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 24,
"filtered": "100.00",
"cost_info": {
"read_cost": "24.00",
"eval_cost": "4.80",
"prefix_cost": "78.41",
"data_read_per_join": "18K"
},
"used_columns": [
"image_id",
"image_path",
"image_x",
"image_y",
"is_high_res"
],
"attached_condition": "<if>(is_not_null_compl(q_images), (`portal`.`q_images_links`.`detailed_id` = `portal`.`q_images`.`image_id`), true)"
}
},
{
"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": 24,
"filtered": "100.00",
"cost_info": {
"read_cost": "24.00",
"eval_cost": "4.80",
"prefix_cost": "107.21",
"data_read_per_join": "14K"
},
"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 |
5045415436919-2.jpg |
600 |
600 |
N |
545 |
27 |
product |
2522 |
A |
1 |
|
2522 |
0 |
5045352410393-2.jpg |
1200 |
1200 |
N |
78 |
18 |
product |
2055 |
A |
10 |
|
2055 |
0 |
5045352410362-2.jpg |
1200 |
1200 |
N |
80 |
19 |
product |
2057 |
A |
10 |
|
2057 |
0 |
5045377630653-2.jpg |
1000 |
1000 |
N |
82 |
20 |
product |
2059 |
A |
10 |
|
2059 |
0 |
5045377630622-2.jpg |
181 |
279 |
N |
84 |
21 |
product |
2061 |
A |
10 |
|
2061 |
0 |
3386460050890-2.jpg |
1050 |
1050 |
N |
86 |
22 |
product |
2063 |
A |
10 |
|
2063 |
0 |
5045252668009-2.jpg |
1000 |
1000 |
N |
88 |
23 |
product |
2065 |
A |
10 |
|
2065 |
0 |
5045252667941-2.jpg |
1024 |
1536 |
N |
91 |
25 |
product |
2068 |
A |
10 |
|
2068 |
0 |
5045410636437-2.jpg |
1000 |
1000 |
N |
93 |
26 |
product |
2070 |
A |
10 |
|
2070 |
0 |
5045454003561-2.jpg |
260 |
486 |
N |
96 |
29 |
product |
2073 |
A |
10 |
|
2073 |
0 |
5045454003417-2.jpg |
1200 |
1200 |
N |
98 |
30 |
product |
2075 |
A |
10 |
|
2075 |
0 |
5045410703115-2.jpg |
1920 |
1920 |
N |
100 |
31 |
product |
2077 |
A |
10 |
|
2077 |
0 |
5045410636222-2.jpg |
1200 |
1200 |
N |
102 |
32 |
product |
2079 |
A |
10 |
|
2079 |
0 |
5045456582149-2.jpg |
1366 |
1366 |
N |
104 |
33 |
product |
2081 |
A |
10 |
|
2081 |