Query time 0.00128
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 ('8592','8593','8594','8595','8596','8597','8598','8601','8602','8603','8604','8605','8606','8607','8608','8609')))",
"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 |
51Mw2h_K30L.jpg |
500 |
500 |
N |
17980 |
8592 |
product |
19942 |
M |
0 |
|
19942 |
0 |
31UKkubi36L.jpg |
500 |
294 |
N |
17983 |
8593 |
product |
19945 |
M |
0 |
|
19945 |
0 |
41YAkYrHarL.jpg |
500 |
500 |
N |
17985 |
8594 |
product |
19947 |
M |
0 |
|
19947 |
0 |
51Xa0Gu9p8L.jpg |
500 |
500 |
N |
17990 |
8595 |
product |
19952 |
M |
0 |
|
19952 |
0 |
517tgKWBXDL.jpg |
500 |
500 |
N |
17995 |
8596 |
product |
19957 |
M |
0 |
|
19957 |
0 |
51cLSOF5szL.jpg |
500 |
500 |
N |
17996 |
8597 |
product |
19958 |
M |
0 |
|
19958 |
0 |
51F1fZsuFZL.jpg |
500 |
500 |
N |
17997 |
8598 |
product |
19959 |
M |
0 |
|
19959 |
0 |
41jDvDGZD_L.jpg |
500 |
500 |
N |
18004 |
8602 |
product |
19966 |
M |
0 |
|
19966 |
0 |
41761Q_qQvL.jpg |
500 |
500 |
N |
18006 |
8603 |
product |
19968 |
M |
0 |
|
19968 |
0 |
41k_Bs2EwGL.jpg |
500 |
500 |
N |
18012 |
8604 |
product |
19974 |
M |
0 |
|
19974 |
0 |
419zmCMMRML.jpg |
500 |
500 |
N |
18017 |
8605 |
product |
19979 |
M |
0 |
|
19979 |
0 |
41ysKmWxO3L.jpg |
500 |
500 |
N |
18019 |
8606 |
product |
19981 |
M |
0 |
|
19981 |
0 |
41Lv__cK6aL.jpg |
500 |
500 |
N |
18021 |
8607 |
product |
19983 |
M |
0 |
|
19983 |
0 |
91Y8T8k68IL._SL1500_.jpg |
1500 |
1500 |
N |
18023 |
8608 |
product |
19985 |
M |
0 |
|
19985 |
0 |
41YUbtKtXYL.jpg |
500 |
500 |
N |
18025 |
8609 |
product |
19987 |
M |
0 |
|
19987 |
0 |
plain_bag_web_7at3-do.jpg |
640 |
626 |
N |
85134 |
8601 |
product |
59625 |
M |
0 |
|
59625 |