Query time 0.00127
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "112.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "20.00"
},
"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": 20,
"rows_produced_per_join": 20,
"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 ('539','540','541','542','543','544','545','546','547','548','549','500','501','502','503','504')))",
"cost_info": {
"read_cost": "40.01",
"eval_cost": "4.00",
"prefix_cost": "44.01",
"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": 20,
"filtered": "100.00",
"cost_info": {
"read_cost": "20.00",
"eval_cost": "4.00",
"prefix_cost": "68.01",
"data_read_per_join": "15K"
},
"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": 20,
"filtered": "100.00",
"cost_info": {
"read_cost": "20.00",
"eval_cost": "4.00",
"prefix_cost": "92.01",
"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 |
766124069605-2.jpg |
1024 |
1024 |
N |
1118 |
543 |
product |
3095 |
A |
1 |
|
3095 |
0 |
737052338347.jpg |
590 |
743 |
N |
1129 |
549 |
product |
3106 |
A |
1 |
|
3106 |
0 |
3386460088190-2.jpg |
1600 |
1600 |
N |
1034 |
500 |
product |
3011 |
A |
10 |
|
3011 |
0 |
3386460100335-2.jpg |
1000 |
1000 |
N |
1036 |
501 |
product |
3013 |
A |
10 |
|
3013 |
0 |
3386460102278-2.jpg |
1000 |
1000 |
N |
1038 |
502 |
product |
3015 |
A |
10 |
|
3015 |
0 |
3386460071987-2.jpg |
1000 |
1000 |
N |
1040 |
503 |
product |
3017 |
A |
10 |
|
3017 |
0 |
3386460018050-2.jpg |
169 |
297 |
N |
1042 |
504 |
product |
3019 |
A |
10 |
|
3019 |
0 |
737052777238-2.jpg |
225 |
225 |
N |
1111 |
539 |
product |
3088 |
A |
10 |
|
3088 |
0 |
737052717630-2.jpg |
225 |
225 |
N |
1113 |
540 |
product |
3090 |
A |
10 |
|
3090 |
0 |
737052824376-2.jpg |
600 |
600 |
N |
1115 |
541 |
product |
3092 |
A |
10 |
|
3092 |
0 |
8005610328256-2.jpg |
738 |
984 |
N |
1117 |
542 |
product |
3094 |
A |
10 |
|
3094 |
0 |
737052495576-2.jpg |
1400 |
1592 |
N |
1120 |
544 |
product |
3097 |
A |
10 |
|
3097 |
0 |
737052758046-2.jpg |
1400 |
1592 |
N |
1122 |
545 |
product |
3099 |
A |
10 |
|
3099 |
0 |
8005610328799-2.jpg |
1000 |
1000 |
N |
1124 |
546 |
product |
3101 |
A |
10 |
|
3101 |
0 |
8005610325927-2.jpg |
500 |
500 |
N |
1126 |
547 |
product |
3103 |
A |
10 |
|
3103 |
0 |
8005610474304-2.jpg |
500 |
613 |
N |
1128 |
548 |
product |
3105 |
A |
10 |
|
3105 |