Query time 0.00156
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "186.41"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "33.00"
},
"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": 33,
"rows_produced_per_join": 33,
"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 ('1145','1144','1136','1135','1134','1090','1089','1088','1087','1086','1084','1083','1081','1013','1012','921','761','760','759','758','757','756','739','738','737','736','735','734')))",
"cost_info": {
"read_cost": "67.61",
"eval_cost": "6.60",
"prefix_cost": "74.21",
"data_read_per_join": "3K"
},
"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": 33,
"filtered": "100.00",
"cost_info": {
"read_cost": "33.00",
"eval_cost": "6.60",
"prefix_cost": "113.81",
"data_read_per_join": "25K"
},
"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": 33,
"filtered": "100.00",
"cost_info": {
"read_cost": "33.00",
"eval_cost": "6.60",
"prefix_cost": "153.41",
"data_read_per_join": "19K"
},
"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 |
|
|
|
|
1647 |
735 |
product |
3623 |
M |
0 |
|
|
0 |
|
|
|
|
1657 |
737 |
product |
3633 |
M |
0 |
|
|
0 |
|
|
|
|
1662 |
738 |
product |
3638 |
M |
0 |
|
|
0 |
|
|
|
|
1667 |
739 |
product |
3643 |
M |
0 |
|
|
0 |
|
|
|
|
1762 |
756 |
product |
3738 |
M |
0 |
|
|
0 |
|
|
|
|
1767 |
757 |
product |
3743 |
M |
0 |
|
|
0 |
|
|
|
|
1772 |
758 |
product |
3748 |
M |
0 |
|
|
0 |
|
|
|
|
2264 |
921 |
product |
4240 |
M |
0 |
|
|
0 |
|
|
|
|
2372 |
1012 |
product |
4348 |
M |
0 |
|
|
0 |
|
|
|
|
2482 |
1083 |
product |
4458 |
M |
0 |
|
|
0 |
|
|
|
|
2485 |
1084 |
product |
4461 |
M |
0 |
|
|
0 |
|
|
|
|
2496 |
1087 |
product |
4472 |
M |
0 |
|
|
0 |
|
|
|
|
2503 |
1089 |
product |
4479 |
M |
0 |
|
|
0 |
|
|
|
|
2506 |
1090 |
product |
4482 |
M |
0 |
|
|
0 |
|
|
|
|
2552 |
1134 |
product |
4528 |
M |
0 |
|
|
0 |
|
|
|
|
2556 |
1135 |
product |
4532 |
M |
0 |
|
|
0 |
|
|
|
|
2560 |
1136 |
product |
4536 |
M |
0 |
|
|
0 |
|
|
|
|
2581 |
1144 |
product |
4557 |
M |
0 |
|
|
0 |
|
|
|
|
2583 |
1145 |
product |
4559 |
M |
0 |
|
|
0 |
|
|
|
|
50879 |
1013 |
product |
52840 |
M |
0 |
|
|
0 |
|
|
|
|
79884 |
1088 |
product |
81827 |
M |
0 |
|
|
0 |
|
|
|
|
79939 |
759 |
product |
81882 |
M |
0 |
|
|
0 |
|
|
|
|
80868 |
1081 |
product |
82811 |
M |
0 |
|
|
0 |
|
|
|
|
81797 |
734 |
product |
83740 |
M |
0 |
|
|
0 |
|
|
|
|
82836 |
736 |
product |
84779 |
M |
0 |
|
|
0 |
|
|
|
|
82855 |
761 |
product |
84798 |
M |
0 |
|
|
0 |
|
|
|
|
83021 |
760 |
product |
84964 |
M |
0 |
|
|
0 |
|
|
|
|
83810 |
1086 |
product |
9496 |
M |
0 |
|
|