Query time 0.00082
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "150.41"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "28.00"
},
"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": 28,
"rows_produced_per_join": 28,
"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 ('50','51','52','53','54','55','56','57','58','59','60','61','2','3','4','5')))",
"cost_info": {
"read_cost": "49.61",
"eval_cost": "5.60",
"prefix_cost": "55.21",
"data_read_per_join": "2K"
},
"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.image_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 28,
"filtered": "100.00",
"cost_info": {
"read_cost": "28.00",
"eval_cost": "5.60",
"prefix_cost": "88.81",
"data_read_per_join": "21K"
},
"used_columns": [
"image_id",
"image_path",
"image_x",
"image_y",
"is_high_res"
]
}
},
{
"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": 28,
"filtered": "100.00",
"cost_info": {
"read_cost": "28.00",
"eval_cost": "5.60",
"prefix_cost": "122.41",
"data_read_per_join": "16K"
},
"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 |
|
|
|
|
39 |
3 |
product |
2016 |
A |
1 |
|
|
0 |
|
|
|
|
40 |
3 |
product |
2017 |
A |
2 |
|
|
0 |
|
|
|
|
37 |
2 |
product |
2014 |
A |
10 |
|
|
0 |
|
|
|
|
42 |
4 |
product |
2019 |
A |
10 |
|
|
0 |
|
|
|
|
45 |
5 |
product |
2022 |
A |
10 |
|
|
0 |
|
|
|
|
135 |
50 |
product |
2112 |
A |
10 |
|
|
0 |
|
|
|
|
137 |
51 |
product |
2114 |
A |
10 |
|
|
0 |
|
|
|
|
139 |
52 |
product |
2116 |
A |
10 |
|
|
0 |
|
|
|
|
141 |
53 |
product |
2118 |
A |
10 |
|
|
0 |
|
|
|
|
143 |
54 |
product |
2120 |
A |
10 |
|
|
0 |
|
|
|
|
145 |
55 |
product |
2122 |
A |
10 |
|
|
0 |
|
|
|
|
147 |
56 |
product |
2124 |
A |
10 |
|
|
0 |
|
|
|
|
149 |
57 |
product |
2126 |
A |
10 |
|
|
0 |
|
|
|
|
153 |
61 |
product |
2130 |
A |
10 |
|
|
0 |
|
|
|
|
38 |
2 |
product |
2015 |
A |
20 |
|
|
0 |
|
|
|
|
43 |
4 |
product |
2020 |
A |
20 |
|
|
0 |
|
|
|
|
46 |
5 |
product |
2023 |
A |
20 |
|
|