Query time 0.00096
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 ('37454','37455','37456','37457','37458','37459','37460','37461','37462','37463','37464','37465','37466','37467','37468','37469')))",
"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 |
|
|
|
|
58616 |
37469 |
product |
60572 |
M |
0 |
|
|
0 |
|
|
|
|
58624 |
37467 |
product |
60580 |
M |
0 |
|
|
0 |
|
|
|
|
58626 |
37465 |
product |
60582 |
M |
0 |
|
|
0 |
|
|
|
|
58629 |
37462 |
product |
60585 |
M |
0 |
|
|
0 |
|
|
|
|
58631 |
37461 |
product |
60587 |
M |
0 |
|
|
0 |
|
|
|
|
58633 |
37460 |
product |
60589 |
M |
0 |
|
|
0 |
|
|
|
|
58638 |
37459 |
product |
60594 |
M |
0 |
|
|
0 |
|
|
|
|
58647 |
37458 |
product |
60603 |
M |
0 |
|
|
0 |
|
|
|
|
58648 |
37457 |
product |
60604 |
M |
0 |
|
|
0 |
|
|
|
|
58653 |
37456 |
product |
60609 |
M |
0 |
|
|
0 |
|
|
|
|
58654 |
37455 |
product |
60610 |
M |
0 |
|
|
0 |
|
|
|
|
58658 |
37454 |
product |
60614 |
M |
0 |
|
|
0 |
|
|
|
|
62056 |
37466 |
product |
64012 |
M |
0 |
|
|
0 |
|
|
|
|
79703 |
37463 |
product |
81646 |
M |
0 |
|
|
0 |
|
|
|
|
79704 |
37464 |
product |
81647 |
M |
0 |
|
|
0 |
|
|
|
|
58622 |
37468 |
product |
60578 |
M |
1 |
|
|