Query time 0.00115
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "107.21"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "19.00"
},
"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": 19,
"rows_produced_per_join": 19,
"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 ('7538','7537','7536','7523','7522','7521','7520','7346','7345','7344','7343','7342','7341','7340','7339','7338')))",
"cost_info": {
"read_cost": "38.81",
"eval_cost": "3.80",
"prefix_cost": "42.61",
"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": 19,
"filtered": "100.00",
"cost_info": {
"read_cost": "19.00",
"eval_cost": "3.80",
"prefix_cost": "65.41",
"data_read_per_join": "14K"
},
"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": 19,
"filtered": "100.00",
"cost_info": {
"read_cost": "19.00",
"eval_cost": "3.80",
"prefix_cost": "88.21",
"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 |
mont_Blanc_Emblem_1.jpg |
1012 |
1000 |
N |
14350 |
7338 |
product |
16312 |
A |
1 |
|
16312 |
0 |
legend_Spirit_2.jpg |
900 |
900 |
N |
14354 |
7339 |
product |
16316 |
A |
1 |
|
16316 |
0 |
cool_water_75ml_2.jpg |
500 |
750 |
N |
14357 |
7341 |
product |
16319 |
A |
1 |
|
16319 |
0 |
hot_water_110_2.jpg |
556 |
1280 |
N |
14359 |
7342 |
product |
16321 |
A |
1 |
|
16321 |
0 |
silver_shadow_2.jpg |
394 |
815 |
N |
14361 |
7343 |
product |
16323 |
A |
1 |
|
16323 |
0 |
the_game_2.jpg |
526 |
688 |
N |
14363 |
7344 |
product |
16325 |
A |
1 |
|
16325 |
0 |
ck_1.jpg |
396 |
413 |
N |
14364 |
7345 |
product |
16326 |
A |
1 |
|
16326 |
0 |
ck_1_shock_2.jpg |
1000 |
1000 |
N |
14366 |
7346 |
product |
16328 |
A |
1 |
|
16328 |
0 |
al_shiyukh_ruby.jpg |
864 |
1108 |
N |
15196 |
7520 |
product |
17158 |
A |
1 |
|
17158 |
0 |
choco_musk.jpg |
1205 |
1280 |
N |
15197 |
7521 |
product |
17159 |
A |
1 |
|
17159 |
0 |
mont_Blanc_Emblem_2.jpg |
1012 |
1000 |
N |
14351 |
7338 |
product |
16313 |
A |
2 |
|
16313 |
0 |
ck_1_shock_3.jpg |
234 |
464 |
N |
14367 |
7346 |
product |
16329 |
A |
2 |
|
16329 |
0 |
mont_Blanc_Emblem_3.jpg |
1012 |
1000 |
N |
14352 |
7338 |
product |
16314 |
A |
3 |
|
16314 |