Query time 0.00095
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 ('9837','9838','9839','9840','9841','9842','9843','9844','9845','9846','9847','9848','9849','9850','9851','9852')))",
"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 |
polio.jpg |
1500 |
1500 |
N |
21238 |
9848 |
product |
23200 |
A |
1 |
|
23200 |
0 |
dunes.jpg |
1000 |
667 |
N |
21240 |
9847 |
product |
23202 |
A |
1 |
|
23202 |
0 |
Nimco.jpg |
1000 |
1000 |
N |
21241 |
9846 |
product |
23203 |
A |
1 |
|
23203 |
0 |
rana.jpg |
648 |
640 |
N |
21242 |
9845 |
product |
23204 |
A |
1 |
|
23204 |
0 |
rana_vv41-8g.jpg |
648 |
640 |
N |
21243 |
9844 |
product |
23205 |
A |
1 |
|
23205 |
0 |
bahauddin.jpg |
1200 |
1200 |
N |
21244 |
9843 |
product |
23206 |
A |
1 |
|
23206 |
0 |
moneeb.jpg |
300 |
300 |
N |
21245 |
9842 |
product |
23207 |
A |
1 |
|
23207 |
0 |
well_i_had.jpg |
1500 |
1250 |
N |
21239 |
9848 |
product |
23201 |
A |
2 |
|
23201 |