Query time 0.00153
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "174.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "30.00"
},
"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": 30,
"rows_produced_per_join": 30,
"filtered": "100.00",
"index_condition": "((`portal`.`q_images_links`.`object_type` = 'product') and (`portal`.`q_images_links`.`type` = 'M') and (`portal`.`q_images_links`.`object_id` in ('2643','2644','2645','2646','2647','2648','2543','2544','2545','2546','2547','2548','2549','2550','2551','2552','2553','2554','2555','2556','2557','2558','2559','2560','2561','2562','2563','2564','2565','2566')))",
"cost_info": {
"read_cost": "66.01",
"eval_cost": "6.00",
"prefix_cost": "72.01",
"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": 30,
"filtered": "100.00",
"cost_info": {
"read_cost": "30.00",
"eval_cost": "6.00",
"prefix_cost": "108.01",
"data_read_per_join": "22K"
},
"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": 30,
"filtered": "100.00",
"cost_info": {
"read_cost": "30.00",
"eval_cost": "6.00",
"prefix_cost": "144.01",
"data_read_per_join": "17K"
},
"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 |
|
|
|
|
5858 |
2543 |
product |
7829 |
M |
0 |
|
|
0 |
|
|
|
|
5860 |
2544 |
product |
7831 |
M |
0 |
|
|
0 |
|
|
|
|
5862 |
2545 |
product |
7833 |
M |
0 |
|
|
0 |
|
|
|
|
5864 |
2546 |
product |
7835 |
M |
0 |
|
|
0 |
|
|
|
|
5866 |
2547 |
product |
7837 |
M |
0 |
|
|
0 |
|
|
|
|
5868 |
2548 |
product |
7839 |
M |
0 |
|
|
0 |
|
|
|
|
5870 |
2549 |
product |
7841 |
M |
0 |
|
|
0 |
|
|
|
|
5872 |
2550 |
product |
7843 |
M |
0 |
|
|
0 |
|
|
|
|
5874 |
2551 |
product |
7845 |
M |
0 |
|
|
0 |
|
|
|
|
5875 |
2552 |
product |
7846 |
M |
0 |
|
|
0 |
|
|
|
|
5877 |
2553 |
product |
7848 |
M |
0 |
|
|
0 |
|
|
|
|
5879 |
2554 |
product |
7850 |
M |
0 |
|
|
0 |
|
|
|
|
5880 |
2555 |
product |
7851 |
M |
0 |
|
|
0 |
|
|
|
|
5882 |
2556 |
product |
7853 |
M |
0 |
|
|
0 |
|
|
|
|
5884 |
2557 |
product |
7855 |
M |
0 |
|
|
0 |
|
|
|
|
5886 |
2558 |
product |
7857 |
M |
0 |
|
|
0 |
|
|
|
|
5887 |
2559 |
product |
7858 |
M |
0 |
|
|
0 |
|
|
|
|
5888 |
2560 |
product |
7859 |
M |
0 |
|
|
0 |
|
|
|
|
5889 |
2561 |
product |
7860 |
M |
0 |
|
|
0 |
|
|
|
|
5890 |
2562 |
product |
7861 |
M |
0 |
|
|
0 |
|
|
|
|
5891 |
2563 |
product |
7862 |
M |
0 |
|
|
0 |
|
|
|
|
5892 |
2564 |
product |
7863 |
M |
0 |
|
|
0 |
|
|
|
|
5893 |
2565 |
product |
7864 |
M |
0 |
|
|
0 |
|
|
|
|
5894 |
2566 |
product |
7865 |
M |
0 |
|
|
0 |
|
|
|
|
5977 |
2643 |
product |
7948 |
M |
0 |
|
|
0 |
|
|
|
|
5978 |
2644 |
product |
7949 |
M |
0 |
|
|
0 |
|
|
|
|
5979 |
2645 |
product |
7950 |
M |
0 |
|
|
0 |
|
|
|
|
5980 |
2646 |
product |
7951 |
M |
0 |
|
|
0 |
|
|
|
|
5982 |
2647 |
product |
7953 |
M |
0 |
|
|
0 |
|
|
|
|
5983 |
2648 |
product |
7954 |
M |
0 |
|
|