Query time 0.00098
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "103.21"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "19.00"
},
"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": 19,
"rows_produced_per_join": 19,
"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 ('1931','1941','1951','1955','1970','1985','2000','1737','1745','1466','1463','1388')))",
"cost_info": {
"read_cost": "34.81",
"eval_cost": "3.80",
"prefix_cost": "38.61",
"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.image_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 19,
"filtered": "100.00",
"cost_info": {
"read_cost": "19.00",
"eval_cost": "3.80",
"prefix_cost": "61.41",
"data_read_per_join": "14K"
},
"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": 19,
"filtered": "100.00",
"cost_info": {
"read_cost": "19.00",
"eval_cost": "3.80",
"prefix_cost": "84.21",
"data_read_per_join": "11K"
},
"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 |
|
|
|
|
3344 |
1466 |
product |
5318 |
A |
1 |
|
|
0 |
|
|
|
|
83465 |
1931 |
product |
7069 |
A |
1 |
|
|
0 |
|
|
|
|
83467 |
1941 |
product |
7098 |
A |
1 |
|
|
0 |
|
|
|
|
83488 |
1955 |
product |
7126 |
A |
1 |
|
|
0 |
|
|
|
|
83492 |
1970 |
product |
7160 |
A |
1 |
|
|
0 |
|
|
|
|
83497 |
1985 |
product |
7191 |
A |
1 |
|
|
0 |
|
|
|
|
85009 |
1388 |
product |
20140 |
A |
1 |
|
|
0 |
|
|
|
|
3345 |
1466 |
product |
5319 |
A |
2 |
|
|
0 |
|
|
|
|
83468 |
1941 |
product |
7099 |
A |
2 |
|
|
0 |
|
|
|
|
83489 |
1955 |
product |
7127 |
A |
2 |
|
|
0 |
|
|
|
|
83493 |
1970 |
product |
7161 |
A |
2 |
|
|
0 |
|
|
|
|
3346 |
1466 |
product |
5320 |
A |
3 |
|
|
0 |
|
|
|
|
83469 |
1941 |
product |
7100 |
A |
3 |
|
|
0 |
|
|
|
|
83490 |
1955 |
product |
7129 |
A |
3 |
|
|
0 |
|
|
|
|
83494 |
1970 |
product |
7162 |
A |
3 |
|
|
0 |
|
|
|
|
3347 |
1466 |
product |
5321 |
A |
4 |
|
|
0 |
|
|
|
|
83470 |
1941 |
product |
7101 |
A |
4 |
|
|
0 |
|
|
|
|
83495 |
1970 |
product |
7163 |
A |
4 |
|
|
0 |
|
|
|
|
3348 |
1466 |
product |
5322 |
A |
5 |
|
|
0 |
|
|
|
|
21552 |
1463 |
product |
23514 |
A |
10 |
|
|
0 |
|
|
|
|
21553 |
1463 |
product |
23515 |
A |
20 |
|
|
0 |
|
|
|
|
21554 |
1463 |
product |
23516 |
A |
30 |
|
|
0 |
|
|
|
|
21555 |
1463 |
product |
23517 |
A |
40 |
|
|
0 |
|
|
|
|
21556 |
1463 |
product |
23518 |
A |
50 |
|
|