Query time 0.00128
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "210.21"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "39.00"
},
"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": 39,
"rows_produced_per_join": 39,
"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 ('31047','31053','31068','31074','31082','31089','31091','31117','31129','31151','31155','31156','10422','10429','10431','10432','10433','10027','10028','4579','4580','3352','3353')))",
"cost_info": {
"read_cost": "69.81",
"eval_cost": "7.80",
"prefix_cost": "77.61",
"data_read_per_join": "3K"
},
"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": 39,
"filtered": "100.00",
"cost_info": {
"read_cost": "39.00",
"eval_cost": "7.80",
"prefix_cost": "124.41",
"data_read_per_join": "29K"
},
"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": 39,
"filtered": "100.00",
"cost_info": {
"read_cost": "39.00",
"eval_cost": "7.80",
"prefix_cost": "171.21",
"data_read_per_join": "23K"
},
"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 |
|
|
|
|
8461 |
3352 |
product |
10426 |
M |
0 |
|
|
0 |
|
|
|
|
8466 |
3353 |
product |
10431 |
M |
0 |
|
|
0 |
|
|
|
|
9806 |
4579 |
product |
11771 |
M |
0 |
|
|
0 |
|
|
|
|
9811 |
4580 |
product |
11776 |
M |
0 |
|
|
0 |
|
|
|
|
18518 |
10027 |
product |
20480 |
M |
0 |
|
|
0 |
|
|
|
|
18525 |
10028 |
product |
20487 |
M |
0 |
|
|
0 |
|
|
|
|
21366 |
10422 |
product |
23328 |
M |
0 |
|
|
0 |
|
|
|
|
21391 |
10433 |
product |
23353 |
M |
0 |
|
|
0 |
|
|
|
|
26716 |
10431 |
product |
28678 |
M |
0 |
|
|
0 |
|
|
|
|
26743 |
10432 |
product |
28705 |
M |
0 |
|
|
0 |
|
|
|
|
48954 |
31074 |
product |
50915 |
M |
0 |
|
|
0 |
|
|
|
|
48961 |
31068 |
product |
50922 |
M |
0 |
|
|
0 |
|
|
|
|
49598 |
31091 |
product |
51559 |
M |
0 |
|
|
0 |
|
|
|
|
49602 |
31089 |
product |
51563 |
M |
0 |
|
|
0 |
|
|
|
|
49611 |
31082 |
product |
51572 |
M |
0 |
|
|
0 |
|
|
|
|
49623 |
31053 |
product |
51584 |
M |
0 |
|
|
0 |
|
|
|
|
49631 |
31047 |
product |
51592 |
M |
0 |
|
|
0 |
|
|
|
|
49677 |
31129 |
product |
51638 |
M |
0 |
|
|
0 |
|
|
|
|
49758 |
31151 |
product |
51719 |
M |
0 |
|
|
0 |
|
|
|
|
49762 |
31155 |
product |
51723 |
M |
0 |
|
|
0 |
|
|
|
|
49763 |
31156 |
product |
51724 |
M |
0 |
|
|
0 |
|
|
|
|
53250 |
31117 |
product |
55211 |
M |
0 |
|
|
0 |
|
|
|
|
82099 |
10429 |
product |
84042 |
M |
0 |
|
|