Query time 0.00142
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "112.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "20.00"
},
"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": 20,
"rows_produced_per_join": 20,
"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 ('9136','9137','9138','9139','9140','9141','9142','9143','9144','9145','9146','9147','9148','9149','9150','9151')))",
"cost_info": {
"read_cost": "40.01",
"eval_cost": "4.00",
"prefix_cost": "44.01",
"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.image_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 20,
"filtered": "100.00",
"cost_info": {
"read_cost": "20.00",
"eval_cost": "4.00",
"prefix_cost": "68.01",
"data_read_per_join": "15K"
},
"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": 20,
"filtered": "100.00",
"cost_info": {
"read_cost": "20.00",
"eval_cost": "4.00",
"prefix_cost": "92.01",
"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 |
|
|
|
|
21213 |
9148 |
product |
23175 |
A |
0 |
|
|
0 |
|
|
|
|
21214 |
9148 |
product |
23176 |
A |
0 |
|
|
0 |
|
|
|
|
80883 |
9141 |
product |
82826 |
A |
0 |
|
|
0 |
|
|
|
|
80884 |
9142 |
product |
82827 |
A |
0 |
|
|
0 |
|
|
|
|
80885 |
9144 |
product |
82828 |
A |
0 |
|
|
0 |
|
|
|
|
80886 |
9144 |
product |
82829 |
A |
0 |
|
|
0 |
|
|
|
|
80887 |
9145 |
product |
82830 |
A |
0 |
|
|
0 |
|
|
|
|
80893 |
9150 |
product |
82836 |
A |
0 |
|
|
0 |
|
|
|
|
19961 |
9138 |
product |
21923 |
A |
1 |
|
|
0 |
|
|
|
|
19969 |
9146 |
product |
21931 |
A |
1 |
|
|
0 |
|
|
|
|
19974 |
9151 |
product |
21936 |
A |
1 |
|
|
0 |
|
|
|
|
80891 |
9149 |
product |
82834 |
A |
1 |
|
|
0 |
|
|
|
|
21209 |
9146 |
product |
23171 |
A |
2 |
|
|
0 |
|
|
|
|
80889 |
9147 |
product |
82832 |
A |
2 |
|
|
0 |
|
|
|
|
80892 |
9149 |
product |
82835 |
A |
2 |
|
|
0 |
|
|
|
|
21210 |
9146 |
product |
23172 |
A |
3 |
|
|
0 |
|
|
|
|
80890 |
9147 |
product |
82833 |
A |
3 |
|
|