Query time 0.00115
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "131.21"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "24.00"
},
"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": 24,
"rows_produced_per_join": 24,
"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 ('505','506','507','508','509','510','511','512','513','514','467','468','469','470','471','472')))",
"cost_info": {
"read_cost": "44.81",
"eval_cost": "4.80",
"prefix_cost": "49.61",
"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.detailed_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 24,
"filtered": "100.00",
"cost_info": {
"read_cost": "24.00",
"eval_cost": "4.80",
"prefix_cost": "78.41",
"data_read_per_join": "18K"
},
"used_columns": [
"image_id",
"image_path",
"image_x",
"image_y",
"is_high_res"
],
"attached_condition": "<if>(is_not_null_compl(q_images), (`portal`.`q_images_links`.`detailed_id` = `portal`.`q_images`.`image_id`), true)"
}
},
{
"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": 24,
"filtered": "100.00",
"cost_info": {
"read_cost": "24.00",
"eval_cost": "4.80",
"prefix_cost": "107.21",
"data_read_per_join": "14K"
},
"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 |
3346470176638.jpg |
573 |
600 |
N |
972 |
469 |
product |
2949 |
M |
0 |
|
2949 |
0 |
3346470243989.jpg |
1072 |
1080 |
N |
974 |
470 |
product |
2951 |
M |
0 |
|
2951 |
0 |
3346470235557.jpg |
1000 |
1000 |
N |
976 |
471 |
product |
2953 |
M |
0 |
|
2953 |
0 |
3346470235533.jpg |
1000 |
1000 |
N |
978 |
472 |
product |
2955 |
M |
0 |
|
2955 |
0 |
3386460064576.jpg |
1170 |
1250 |
N |
1043 |
505 |
product |
3020 |
M |
0 |
|
3020 |
0 |
3386460018005.jpg |
1400 |
1592 |
N |
1045 |
506 |
product |
3022 |
M |
0 |
|
3022 |
0 |
3386460078795.jpg |
1080 |
1227 |
N |
1047 |
507 |
product |
3024 |
M |
0 |
|
3024 |
0 |
3386460018012.jpg |
1400 |
1592 |
N |
1049 |
508 |
product |
3026 |
M |
0 |
|
3026 |
0 |
3386460034951.jpg |
980 |
1372 |
N |
1051 |
509 |
product |
3028 |
M |
0 |
|
3028 |
0 |
3386460010993.jpg |
1000 |
1000 |
N |
1053 |
510 |
product |
3030 |
M |
0 |
|
3030 |
0 |
3386460073578.jpg |
1000 |
1000 |
N |
1055 |
511 |
product |
3032 |
M |
0 |
|
3032 |
0 |
3386460052108.jpg |
1000 |
1000 |
N |
1057 |
512 |
product |
3034 |
M |
0 |
|
3034 |
0 |
3386460078641.jpg |
1000 |
1000 |
N |
1059 |
513 |
product |
3036 |
M |
0 |
|
3036 |
0 |
3386460100236.jpg |
1500 |
1256 |
N |
1061 |
514 |
product |
3038 |
M |
0 |
|
3038 |
0 |
2_cwtp-qv.jpg |
640 |
626 |
N |
81472 |
467 |
product |
83415 |
M |
0 |
|
83415 |
0 |
2_ngpz-3e.jpg |
640 |
626 |
N |
81524 |
468 |
product |
83467 |
M |
0 |
|
83467 |