Query time 0.00126
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 ('8637','8638','8639','8640','8641','8642','8643','8644','8645','8646','8647','8648','8649','8650','8651','8652')))",
"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.image_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"
]
}
},
{
"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 |
|
|
|
|
18102 |
8646 |
product |
20064 |
A |
1 |
|
|
0 |
|
|
|
|
18099 |
8646 |
product |
20061 |
A |
2 |
|
|
0 |
|
|
|
|
18100 |
8646 |
product |
20062 |
A |
3 |
|
|
0 |
|
|
|
|
18101 |
8646 |
product |
20063 |
A |
4 |
|
|
0 |
|
|
|
|
18086 |
8641 |
product |
20048 |
A |
10 |
|
|
0 |
|
|
|
|
18090 |
8643 |
product |
20052 |
A |
10 |
|
|
0 |
|
|
|
|
18094 |
8644 |
product |
20056 |
A |
10 |
|
|
0 |
|
|
|
|
18096 |
8645 |
product |
20058 |
A |
10 |
|
|
0 |
|
|
|
|
18104 |
8647 |
product |
20066 |
A |
10 |
|
|
0 |
|
|
|
|
18109 |
8648 |
product |
20071 |
A |
10 |
|
|
0 |
|
|
|
|
18113 |
8649 |
product |
20075 |
A |
10 |
|
|
0 |
|
|
|
|
18118 |
8650 |
product |
20080 |
A |
10 |
|
|
0 |
|
|
|
|
18123 |
8651 |
product |
20085 |
A |
10 |
|
|
0 |
|
|
|
|
18125 |
8652 |
product |
20087 |
A |
10 |
|
|
0 |
|
|
|
|
18087 |
8641 |
product |
20049 |
A |
20 |
|
|
0 |
|
|
|
|
18091 |
8643 |
product |
20053 |
A |
20 |
|
|
0 |
|
|
|
|
18097 |
8645 |
product |
20059 |
A |
20 |
|
|
0 |
|
|
|
|
18105 |
8647 |
product |
20067 |
A |
20 |
|
|
0 |
|
|
|
|
18110 |
8648 |
product |
20072 |
A |
20 |
|
|
0 |
|
|
|
|
18114 |
8649 |
product |
20076 |
A |
20 |
|
|
0 |
|
|
|
|
18119 |
8650 |
product |
20081 |
A |
20 |
|
|
0 |
|
|
|
|
18126 |
8652 |
product |
20088 |
A |
20 |
|
|
0 |
|
|
|
|
18092 |
8643 |
product |
20054 |
A |
30 |
|
|
0 |
|
|
|
|
18106 |
8647 |
product |
20068 |
A |
30 |
|
|
0 |
|
|
|
|
18111 |
8648 |
product |
20073 |
A |
30 |
|
|
0 |
|
|
|
|
18115 |
8649 |
product |
20077 |
A |
30 |
|
|
0 |
|
|
|
|
18120 |
8650 |
product |
20082 |
A |
30 |
|
|
0 |
|
|
|
|
18107 |
8647 |
product |
20069 |
A |
40 |
|
|
0 |
|
|
|
|
18116 |
8649 |
product |
20078 |
A |
40 |
|
|
0 |
|
|
|
|
18121 |
8650 |
product |
20083 |
A |
40 |
|
|