Query time 0.00100
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "150.41"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "28.00"
},
"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": 28,
"rows_produced_per_join": 28,
"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 ('37422','37423','37424','37425','37426','37427','37428','37429','37430','37431','37432','37433','37434','37435','37436','37437')))",
"cost_info": {
"read_cost": "49.61",
"eval_cost": "5.60",
"prefix_cost": "55.21",
"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": 28,
"filtered": "100.00",
"cost_info": {
"read_cost": "28.00",
"eval_cost": "5.60",
"prefix_cost": "88.81",
"data_read_per_join": "21K"
},
"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": 28,
"filtered": "100.00",
"cost_info": {
"read_cost": "28.00",
"eval_cost": "5.60",
"prefix_cost": "122.41",
"data_read_per_join": "16K"
},
"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 |
|
|
|
|
58607 |
37422 |
product |
60563 |
M |
0 |
|
|
0 |
|
|
|
|
58609 |
37423 |
product |
60565 |
M |
0 |
|
|
0 |
|
|
|
|
58611 |
37424 |
product |
60567 |
M |
0 |
|
|
0 |
|
|
|
|
58613 |
37425 |
product |
60569 |
M |
0 |
|
|
0 |
|
|
|
|
58615 |
37426 |
product |
60571 |
M |
0 |
|
|
0 |
|
|
|
|
58617 |
37427 |
product |
60573 |
M |
0 |
|
|
0 |
|
|
|
|
58621 |
37428 |
product |
60577 |
M |
0 |
|
|
0 |
|
|
|
|
58623 |
37429 |
product |
60579 |
M |
0 |
|
|
0 |
|
|
|
|
58625 |
37430 |
product |
60581 |
M |
0 |
|
|
0 |
|
|
|
|
58686 |
37431 |
product |
60642 |
M |
0 |
|
|
0 |
|
|
|
|
58689 |
37433 |
product |
60645 |
M |
0 |
|
|
0 |
|
|
|
|
58690 |
37434 |
product |
60646 |
M |
0 |
|
|
0 |
|
|
|
|
58691 |
37435 |
product |
60647 |
M |
0 |
|
|
0 |
|
|
|
|
58693 |
37436 |
product |
60649 |
M |
0 |
|
|
0 |
|
|
|
|
58694 |
37437 |
product |
60650 |
M |
0 |
|
|
0 |
|
|
|
|
58696 |
37432 |
product |
60652 |
M |
0 |
|
|