Query time 0.00077
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "59.81"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "11.00"
},
"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": 11,
"rows_produced_per_join": 11,
"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 ('9768','9769','9770','9771','9772','9773','9774')))",
"cost_info": {
"read_cost": "20.21",
"eval_cost": "2.20",
"prefix_cost": "22.41",
"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.image_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 11,
"filtered": "100.00",
"cost_info": {
"read_cost": "11.00",
"eval_cost": "2.20",
"prefix_cost": "35.61",
"data_read_per_join": "8K"
},
"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": 11,
"filtered": "100.00",
"cost_info": {
"read_cost": "11.00",
"eval_cost": "2.20",
"prefix_cost": "48.81",
"data_read_per_join": "6K"
},
"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 |
|
|
|
|
25049 |
9768 |
product |
27011 |
A |
1 |
|
|
0 |
|
|
|
|
25051 |
9769 |
product |
27013 |
A |
1 |
|
|
0 |
|
|
|
|
25054 |
9774 |
product |
27016 |
A |
1 |
|
|
0 |
|
|
|
|
25057 |
9770 |
product |
27019 |
A |
1 |
|
|
0 |
|
|
|
|
25058 |
9771 |
product |
27020 |
A |
1 |
|
|
0 |
|
|
|
|
25063 |
9772 |
product |
27025 |
A |
1 |
|
|
0 |
|
|
|
|
25050 |
9768 |
product |
27012 |
A |
2 |
|
|
0 |
|
|
|
|
25052 |
9769 |
product |
27014 |
A |
2 |
|
|
0 |
|
|
|
|
25055 |
9774 |
product |
27017 |
A |
2 |
|
|
0 |
|
|
|
|
25059 |
9771 |
product |
27021 |
A |
2 |
|
|
0 |
|
|
|
|
25064 |
9772 |
product |
27026 |
A |
2 |
|
|
0 |
|
|
|
|
25053 |
9769 |
product |
27015 |
A |
3 |
|
|
0 |
|
|
|
|
25056 |
9774 |
product |
27018 |
A |
3 |
|
|
0 |
|
|
|
|
25065 |
9773 |
product |
27027 |
A |
4 |
|
|
0 |
|
|
|
|
25066 |
9773 |
product |
27028 |
A |
5 |
|
|