Query time 0.00110
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "92.81"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "16.00"
},
"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": 16,
"rows_produced_per_join": 16,
"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 ('2687','2688','2689','2607','2608','2609','2610','2611','2612','2613','2614','2615','2616','2617','2618','2619')))",
"cost_info": {
"read_cost": "35.21",
"eval_cost": "3.20",
"prefix_cost": "38.41",
"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": 16,
"filtered": "100.00",
"cost_info": {
"read_cost": "16.00",
"eval_cost": "3.20",
"prefix_cost": "57.61",
"data_read_per_join": "12K"
},
"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": 16,
"filtered": "100.00",
"cost_info": {
"read_cost": "16.00",
"eval_cost": "3.20",
"prefix_cost": "76.81",
"data_read_per_join": "9K"
},
"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 |
paco-rabanne-black-xs-eau-de-toilette-vaporizador-100-ml_4.jpg |
500 |
600 |
N |
5929 |
2612 |
product |
7900 |
A |
10 |
|
7900 |
0 |
Paco_Rabanne_Black_XS_for_Men_2018_Eau_de_Toilette_100_ml_3349668550654_ml.png |
743 |
1000 |
N |
5931 |
2613 |
product |
7902 |
A |
10 |
|
7902 |
0 |
s-l1000_2ijx-30.jpg |
700 |
700 |
N |
5933 |
2614 |
product |
7904 |
A |
10 |
|
7904 |
0 |
res_47fe3a0f387deccf7d5b1b1245dccd69_full.jpg |
678 |
678 |
N |
5935 |
2615 |
product |
7906 |
A |
10 |
|
7906 |
0 |
3349668536405.jpg |
600 |
600 |
N |
5937 |
2616 |
product |
7908 |
A |
10 |
|
7908 |
0 |
s-l1000_csnw-5s.jpg |
750 |
750 |
N |
5939 |
2617 |
product |
7910 |
A |
10 |
|
7910 |
0 |
00823735705.jpg |
350 |
350 |
N |
5941 |
2618 |
product |
7912 |
A |
10 |
|
7912 |
0 |
paco-rabanne-invictus-paco-rabanne-invictus-aqua-eau-de-toilette-50-ml-3349668563258.png |
700 |
860 |
N |
5943 |
2619 |
product |
7914 |
A |
10 |
|
7914 |