Query time 0.00312
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 ('8439','8440','8441','8442','8443','8444','8445','8446','8464','8465','8466','8467','8468','8469','8470','8471')))",
"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.image_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"
]
}
},
{
"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 |
|
|
|
|
17828 |
8439 |
product |
19790 |
A |
10 |
|
|
0 |
|
|
|
|
17831 |
8440 |
product |
19793 |
A |
10 |
|
|
0 |
|
|
|
|
17834 |
8441 |
product |
19796 |
A |
10 |
|
|
0 |
|
|
|
|
17837 |
8442 |
product |
19799 |
A |
10 |
|
|
0 |
|
|
|
|
17840 |
8443 |
product |
19802 |
A |
10 |
|
|
0 |
|
|
|
|
17843 |
8444 |
product |
19805 |
A |
10 |
|
|
0 |
|
|
|
|
17846 |
8445 |
product |
19808 |
A |
10 |
|
|
0 |
|
|
|
|
17849 |
8446 |
product |
19811 |
A |
10 |
|
|
0 |
|
|
|
|
17912 |
8464 |
product |
19874 |
A |
10 |
|
|
0 |
|
|
|
|
17915 |
8466 |
product |
19877 |
A |
10 |
|
|
0 |
|
|
|
|
17918 |
8467 |
product |
19880 |
A |
10 |
|
|
0 |
|
|
|
|
17921 |
8468 |
product |
19883 |
A |
10 |
|
|
0 |
|
|
|
|
17924 |
8469 |
product |
19886 |
A |
10 |
|
|
0 |
|
|
|
|
17927 |
8470 |
product |
19889 |
A |
10 |
|
|
0 |
|
|
|
|
17930 |
8471 |
product |
19892 |
A |
10 |
|
|
0 |
|
|
|
|
17829 |
8439 |
product |
19791 |
A |
20 |
|
|
0 |
|
|
|
|
17832 |
8440 |
product |
19794 |
A |
20 |
|
|
0 |
|
|
|
|
17835 |
8441 |
product |
19797 |
A |
20 |
|
|
0 |
|
|
|
|
17838 |
8442 |
product |
19800 |
A |
20 |
|
|
0 |
|
|
|
|
17841 |
8443 |
product |
19803 |
A |
20 |
|
|
0 |
|
|
|
|
17844 |
8444 |
product |
19806 |
A |
20 |
|
|
0 |
|
|
|
|
17847 |
8445 |
product |
19809 |
A |
20 |
|
|
0 |
|
|
|
|
17850 |
8446 |
product |
19812 |
A |
20 |
|
|
0 |
|
|
|
|
17913 |
8464 |
product |
19875 |
A |
20 |
|
|
0 |
|
|
|
|
17916 |
8466 |
product |
19878 |
A |
20 |
|
|
0 |
|
|
|
|
17919 |
8467 |
product |
19881 |
A |
20 |
|
|
0 |
|
|
|
|
17922 |
8468 |
product |
19884 |
A |
20 |
|
|
0 |
|
|
|
|
17925 |
8469 |
product |
19887 |
A |
20 |
|
|
0 |
|
|
|
|
17928 |
8470 |
product |
19890 |
A |
20 |
|
|
0 |
|
|
|
|
17931 |
8471 |
product |
19893 |
A |
20 |
|
|