Query time 0.00119
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "126.41"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "23.00"
},
"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": 23,
"rows_produced_per_join": 23,
"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 ('8592','8593','8594','8595','8596','8597','8598','8601','8602','8603','8604','8605','8606','8607','8608','8609')))",
"cost_info": {
"read_cost": "43.61",
"eval_cost": "4.60",
"prefix_cost": "48.21",
"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": 23,
"filtered": "100.00",
"cost_info": {
"read_cost": "23.00",
"eval_cost": "4.60",
"prefix_cost": "75.81",
"data_read_per_join": "17K"
},
"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": 23,
"filtered": "100.00",
"cost_info": {
"read_cost": "23.00",
"eval_cost": "4.60",
"prefix_cost": "103.41",
"data_read_per_join": "13K"
},
"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 |
|
|
|
|
18011 |
8604 |
product |
19973 |
A |
1 |
|
|
0 |
|
|
|
|
18016 |
8605 |
product |
19978 |
A |
1 |
|
|
0 |
|
|
|
|
18018 |
8606 |
product |
19980 |
A |
1 |
|
|
0 |
|
|
|
|
18020 |
8607 |
product |
19982 |
A |
1 |
|
|
0 |
|
|
|
|
18022 |
8608 |
product |
19984 |
A |
1 |
|
|
0 |
|
|
|
|
18024 |
8609 |
product |
19986 |
A |
1 |
|
|
0 |
|
|
|
|
85132 |
8601 |
product |
35147 |
A |
1 |
|
|
0 |
|
|
|
|
18013 |
8604 |
product |
19975 |
A |
2 |
|
|
0 |
|
|
|
|
18026 |
8609 |
product |
19988 |
A |
2 |
|
|
0 |
|
|
|
|
85133 |
8601 |
product |
35148 |
A |
2 |
|
|
0 |
|
|
|
|
18014 |
8604 |
product |
19976 |
A |
3 |
|
|
0 |
|
|
|
|
18015 |
8604 |
product |
19977 |
A |
4 |
|
|
0 |
|
|
|
|
17981 |
8592 |
product |
19943 |
A |
10 |
|
|
0 |
|
|
|
|
17984 |
8593 |
product |
19946 |
A |
10 |
|
|
0 |
|
|
|
|
17986 |
8594 |
product |
19948 |
A |
10 |
|
|
0 |
|
|
|
|
17991 |
8595 |
product |
19953 |
A |
10 |
|
|
0 |
|
|
|
|
18005 |
8602 |
product |
19967 |
A |
10 |
|
|
0 |
|
|
|
|
18007 |
8603 |
product |
19969 |
A |
10 |
|
|
0 |
|
|
|
|
17982 |
8592 |
product |
19944 |
A |
20 |
|
|
0 |
|
|
|
|
17987 |
8594 |
product |
19949 |
A |
20 |
|
|
0 |
|
|
|
|
17992 |
8595 |
product |
19954 |
A |
20 |
|
|
0 |
|
|
|
|
18008 |
8603 |
product |
19970 |
A |
20 |
|
|
0 |
|
|
|
|
17988 |
8594 |
product |
19950 |
A |
30 |
|
|
0 |
|
|
|
|
17993 |
8595 |
product |
19955 |
A |
30 |
|
|
0 |
|
|
|
|
18009 |
8603 |
product |
19971 |
A |
30 |
|
|
0 |
|
|
|
|
17989 |
8594 |
product |
19951 |
A |
40 |
|
|
0 |
|
|
|
|
17994 |
8595 |
product |
19956 |
A |
40 |
|
|
0 |
|
|
|
|
18010 |
8603 |
product |
19972 |
A |
40 |
|
|