Query time 0.00136
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "92.81"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "16.00"
},
"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": 16,
"rows_produced_per_join": 16,
"filtered": "100.00",
"index_condition": "((`portal`.`q_images_links`.`object_type` = 'product') and (`portal`.`q_images_links`.`type` = 'M') 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": "35.21",
"eval_cost": "3.20",
"prefix_cost": "38.41",
"data_read_per_join": "1K"
},
"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": 16,
"filtered": "100.00",
"cost_info": {
"read_cost": "16.00",
"eval_cost": "3.20",
"prefix_cost": "57.61",
"data_read_per_join": "12K"
},
"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": 16,
"filtered": "100.00",
"cost_info": {
"read_cost": "16.00",
"eval_cost": "3.20",
"prefix_cost": "76.81",
"data_read_per_join": "9K"
},
"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 |
41l1d2HRLkL.jpg |
500 |
500 |
N |
18081 |
8637 |
product |
20043 |
M |
0 |
|
20043 |
0 |
419avkiZxlL.jpg |
500 |
500 |
N |
18082 |
8638 |
product |
20044 |
M |
0 |
|
20044 |
0 |
4155gf8fuzL.jpg |
500 |
500 |
N |
18083 |
8639 |
product |
20045 |
M |
0 |
|
20045 |
0 |
51_axc_iMvL.jpg |
500 |
500 |
N |
18084 |
8640 |
product |
20046 |
M |
0 |
|
20046 |
0 |
51DF1e7UtnL.jpg |
500 |
500 |
N |
18085 |
8641 |
product |
20047 |
M |
0 |
|
20047 |
0 |
41KyqTwoIfL.jpg |
500 |
500 |
N |
18088 |
8642 |
product |
20050 |
M |
0 |
|
20050 |
0 |
41N-uRT2bxL.jpg |
500 |
500 |
N |
18089 |
8643 |
product |
20051 |
M |
0 |
|
20051 |
0 |
416zf0BR3gL.jpg |
500 |
500 |
N |
18093 |
8644 |
product |
20055 |
M |
0 |
|
20055 |
0 |
41MWI0Z7kOL.jpg |
500 |
500 |
N |
18095 |
8645 |
product |
20057 |
M |
0 |
|
20057 |
0 |
41yMlFrsCuL.jpg |
500 |
500 |
N |
18098 |
8646 |
product |
20060 |
M |
0 |
|
20060 |
0 |
41u2OTvPWlL.jpg |
500 |
500 |
N |
18103 |
8647 |
product |
20065 |
M |
0 |
|
20065 |
0 |
31EKQTMRKAL.jpg |
500 |
500 |
N |
18108 |
8648 |
product |
20070 |
M |
0 |
|
20070 |
0 |
41AYtVfqLEL.jpg |
500 |
500 |
N |
18112 |
8649 |
product |
20074 |
M |
0 |
|
20074 |
0 |
41yRn0o3HpL.jpg |
500 |
500 |
N |
18117 |
8650 |
product |
20079 |
M |
0 |
|
20079 |
0 |
4153UBJqZoL.jpg |
500 |
500 |
N |
18122 |
8651 |
product |
20084 |
M |
0 |
|
20084 |
0 |
41d0WIJQ9pL.jpg |
500 |
500 |
N |
18124 |
8652 |
product |
20086 |
M |
0 |
|
20086 |