Query time 0.00156
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 ('2734','2735','2694','2695','2696','2697','2698','2699','2700','2701','2675','2676','2677','2678','2679','2680','2681','2682','2683','2684','2685','2686','2687','2688','2689','2607','2608','2609','2610','2611')))",
"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 |
|
|
|
|
5923 |
2607 |
product |
7894 |
M |
0 |
|
|
0 |
|
|
|
|
5924 |
2608 |
product |
7895 |
M |
0 |
|
|
0 |
|
|
|
|
5925 |
2609 |
product |
7896 |
M |
0 |
|
|
0 |
|
|
|
|
5926 |
2610 |
product |
7897 |
M |
0 |
|
|
0 |
|
|
|
|
5927 |
2611 |
product |
7898 |
M |
0 |
|
|
0 |
|
|
|
|
6011 |
2675 |
product |
7982 |
M |
0 |
|
|
0 |
|
|
|
|
6013 |
2676 |
product |
7984 |
M |
0 |
|
|
0 |
|
|
|
|
6014 |
2677 |
product |
7985 |
M |
0 |
|
|
0 |
|
|
|
|
6016 |
2678 |
product |
7987 |
M |
0 |
|
|
0 |
|
|
|
|
6017 |
2679 |
product |
7988 |
M |
0 |
|
|
0 |
|
|
|
|
6018 |
2680 |
product |
7989 |
M |
0 |
|
|
0 |
|
|
|
|
6020 |
2681 |
product |
7991 |
M |
0 |
|
|
0 |
|
|
|
|
6021 |
2682 |
product |
7992 |
M |
0 |
|
|
0 |
|
|
|
|
6022 |
2683 |
product |
7993 |
M |
0 |
|
|
0 |
|
|
|
|
6023 |
2684 |
product |
7994 |
M |
0 |
|
|
0 |
|
|
|
|
6024 |
2685 |
product |
7995 |
M |
0 |
|
|
0 |
|
|
|
|
6025 |
2686 |
product |
7996 |
M |
0 |
|
|
0 |
|
|
|
|
6026 |
2687 |
product |
7997 |
M |
0 |
|
|
0 |
|
|
|
|
6027 |
2688 |
product |
7998 |
M |
0 |
|
|
0 |
|
|
|
|
6028 |
2689 |
product |
7999 |
M |
0 |
|
|
0 |
|
|
|
|
6041 |
2694 |
product |
8012 |
M |
0 |
|
|
0 |
|
|
|
|
6043 |
2695 |
product |
8014 |
M |
0 |
|
|
0 |
|
|
|
|
6044 |
2696 |
product |
8015 |
M |
0 |
|
|
0 |
|
|
|
|
6046 |
2698 |
product |
8017 |
M |
0 |
|
|
0 |
|
|
|
|
6047 |
2699 |
product |
8018 |
M |
0 |
|
|
0 |
|
|
|
|
6049 |
2701 |
product |
8020 |
M |
0 |
|
|
0 |
|
|
|
|
6077 |
2734 |
product |
8048 |
M |
0 |
|
|
0 |
|
|
|
|
6078 |
2735 |
product |
8049 |
M |
0 |
|
|
0 |
|
|
|
|
81603 |
2697 |
product |
83546 |
M |
1 |
|
|
0 |
|
|
|
|
81604 |
2700 |
product |
83547 |
M |
1 |
|
|