Query time 0.00141
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "202.81"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "36.00"
},
"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": 36,
"rows_produced_per_join": 36,
"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 ('9661','9662','9663','9664','9665','9788','9874','9875','9876','9877','9878','9879','9880','9881','9882','9883','9884','9885','9886','9887','9888','9889','9890','9891','9892','9893','9894','9895','9896','9897')))",
"cost_info": {
"read_cost": "73.21",
"eval_cost": "7.20",
"prefix_cost": "80.41",
"data_read_per_join": "3K"
},
"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": 36,
"filtered": "100.00",
"cost_info": {
"read_cost": "36.00",
"eval_cost": "7.20",
"prefix_cost": "123.61",
"data_read_per_join": "27K"
},
"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": 36,
"filtered": "100.00",
"cost_info": {
"read_cost": "36.00",
"eval_cost": "7.20",
"prefix_cost": "166.81",
"data_read_per_join": "21K"
},
"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 |
71V0hxf3UKL._SL1500_.jpg |
1500 |
1500 |
N |
25109 |
9788 |
product |
27071 |
A |
1 |
|
27071 |
0 |
05__1_.jpg |
1600 |
1600 |
N |
26344 |
9665 |
product |
28306 |
A |
1 |
|
28306 |
0 |
mo99mo056021.jpg |
450 |
450 |
N |
26347 |
9664 |
product |
28309 |
A |
1 |
|
28309 |
0 |
02__2_.jpg |
1600 |
1600 |
N |
26351 |
9663 |
product |
28313 |
A |
1 |
|
28313 |
0 |
01_wewu-bf.jpg |
1600 |
1600 |
N |
26354 |
9662 |
product |
28316 |
A |
1 |
|
28316 |
0 |
71ZSOuyMhqL._SL1500_.jpg |
1500 |
1001 |
N |
25110 |
9788 |
product |
27072 |
A |
2 |
|
27072 |
0 |
02__1_.jpg |
1600 |
1600 |
N |
26345 |
9665 |
product |
28307 |
A |
2 |
|
28307 |
0 |
04__2_.jpg |
1600 |
1600 |
N |
26352 |
9663 |
product |
28314 |
A |
2 |
|
28314 |
0 |
04_jd6w-5a.jpg |
1600 |
1600 |
N |
26355 |
9662 |
product |
28317 |
A |
2 |
|
28317 |
0 |
03_rxal-w4.jpg |
1600 |
1600 |
N |
26358 |
9661 |
product |
28320 |
A |
2 |
|
28320 |
0 |
z.jpg |
1500 |
1500 |
N |
25111 |
9788 |
product |
27073 |
A |
3 |
|
27073 |
0 |
03__1_.jpg |
1600 |
1600 |
N |
26346 |
9665 |
product |
28308 |
A |
3 |
|
28308 |
0 |
05_vy5y-6l.jpg |
1600 |
1600 |
N |
26353 |
9663 |
product |
28315 |
A |
3 |
|
28315 |
0 |
05_wc48-h0.jpg |
1600 |
1600 |
N |
26356 |
9662 |
product |
28318 |
A |
3 |
|
28318 |
0 |
04_tg4t-9a.jpg |
1600 |
1600 |
N |
26359 |
9661 |
product |
28321 |
A |
3 |
|
28321 |
0 |
zz.jpg |
1500 |
1500 |
N |
25112 |
9788 |
product |
27074 |
A |
4 |
|
27074 |
0 |
02_jww8-gu.jpg |
1600 |
1600 |
N |
26360 |
9661 |
product |
28322 |
A |
4 |
|
28322 |