Query time 0.00071
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "27.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "5.00"
},
"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": 5,
"rows_produced_per_join": 5,
"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 ('8729','8726','8271')))",
"cost_info": {
"read_cost": "9.01",
"eval_cost": "1.00",
"prefix_cost": "10.01",
"data_read_per_join": "480"
},
"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": 5,
"filtered": "100.00",
"cost_info": {
"read_cost": "5.00",
"eval_cost": "1.00",
"prefix_cost": "16.01",
"data_read_per_join": "3K"
},
"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": 5,
"filtered": "100.00",
"cost_info": {
"read_cost": "5.00",
"eval_cost": "1.00",
"prefix_cost": "22.01",
"data_read_per_join": "2K"
},
"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 |
6ffb809175ea4640b9022f305bfcc508.jpg |
1000 |
1000 |
N |
17246 |
8271 |
product |
19208 |
A |
1 |
|
19208 |
0 |
f8ec3b7015c94abb9285d0a61f8f366b.jpg |
1000 |
1000 |
N |
18372 |
8729 |
product |
20334 |
A |
1 |
|
20334 |
0 |
99a718b43dba45f28ab29ed02299df48.jpg |
1000 |
1000 |
N |
17247 |
8271 |
product |
19209 |
A |
2 |
|
19209 |
0 |
419aa0e4d93741d2a4c75f048bf00d2b.jpg |
1000 |
1000 |
N |
18369 |
8726 |
product |
20331 |
A |
2 |
|
20331 |
0 |
ebff16584cc54f5198a8d5789fcbe3b7.jpg |
1000 |
1000 |
N |
18373 |
8729 |
product |
20335 |
A |
2 |
|
20335 |
0 |
0b6bbcb79b084673a1c29a455c291ec3.jpg |
1000 |
1000 |
N |
17248 |
8271 |
product |
19210 |
A |
3 |
|
19210 |
0 |
7710d57b29774a12ba8e497b1f25aad9.jpg |
1000 |
1000 |
N |
18370 |
8726 |
product |
20332 |
A |
3 |
|
20332 |
0 |
6b505693af864e18a7ab10eff7d437ed.jpg |
1000 |
1000 |
N |
17249 |
8271 |
product |
19211 |
A |
4 |
|
19211 |
0 |
214b63b35e094708ae1d7cc60ce232ba.jpg |
1000 |
1000 |
N |
17250 |
8271 |
product |
19212 |
A |
5 |
|
19212 |