Query time 0.00129
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "102.41"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "18.00"
},
"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": 18,
"rows_produced_per_join": 18,
"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 ('51099','51098','51095','51094','51093','51092','51078','51069','51064','51058','51043','51042','51037','51036','51029','51008')))",
"cost_info": {
"read_cost": "37.61",
"eval_cost": "3.60",
"prefix_cost": "41.21",
"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": 18,
"filtered": "100.00",
"cost_info": {
"read_cost": "18.00",
"eval_cost": "3.60",
"prefix_cost": "62.81",
"data_read_per_join": "13K"
},
"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": 18,
"filtered": "100.00",
"cost_info": {
"read_cost": "18.00",
"eval_cost": "3.60",
"prefix_cost": "84.41",
"data_read_per_join": "10K"
},
"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 |
69b226d88c28149af4cdb3a54ed57f19.jpg |
700 |
600 |
N |
87383 |
51008 |
product |
86765 |
M |
0 |
|
86765 |
0 |
piaomamenwristwatchw-1000x1000.jpg |
1000 |
1000 |
N |
87421 |
51029 |
product |
86803 |
M |
0 |
|
86803 |
0 |
6-1.jpg |
640 |
640 |
N |
87438 |
51036 |
product |
86820 |
M |
0 |
|
86820 |
0 |
7-1.jpg |
640 |
640 |
N |
87441 |
51037 |
product |
86823 |
M |
0 |
|
86823 |
0 |
8-1.jpg |
640 |
640 |
N |
87453 |
51042 |
product |
86835 |
M |
0 |
|
86835 |
0 |
9-1.jpg |
640 |
640 |
N |
87456 |
51043 |
product |
86838 |
M |
0 |
|
86838 |
0 |
10_1h6y-ax.jpg |
640 |
640 |
N |
87494 |
51058 |
product |
86876 |
M |
0 |
|
86876 |
0 |
20-07-19-11-33-Digi-Rd-535x401.jpeg |
535 |
401 |
N |
87501 |
51064 |
product |
86883 |
M |
0 |
|
86883 |
0 |
1-1_b8cv-yn.jpg |
640 |
640 |
N |
87539 |
51078 |
product |
86921 |
M |
0 |
|
86921 |
0 |
10-_gc8n-wf.jpg |
640 |
640 |
N |
87577 |
51092 |
product |
86959 |
M |
0 |
|
86959 |
0 |
12-1.jpg |
640 |
640 |
N |
87578 |
51093 |
product |
86960 |
M |
0 |
|
86960 |
0 |
edad5f4bc6a682d8a9fde0b4b847e963.jpg |
640 |
640 |
N |
87579 |
51094 |
product |
86961 |
M |
0 |
|
86961 |
0 |
21-06-21-08-40-2zistar-540x540.jpeg |
540 |
540 |
N |
87582 |
51095 |
product |
86964 |
M |
0 |
|
86964 |
0 |
UTB8aZtCFarFXKJk43Ovq6ybnpXa8.jpg |
400 |
400 |
N |
87585 |
51098 |
product |
86967 |
M |
0 |
|
86967 |
0 |
3-1_hfdg-jn.jpg |
640 |
640 |
N |
87587 |
51099 |
product |
86969 |
M |
0 |
|
86969 |
0 |
ea9670af68b2782badd0be9849a29ae4.jpg |
1001 |
1001 |
N |
87513 |
51069 |
product |
86895 |
M |
1 |
|
86895 |