Query time 0.00089
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "145.61"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "27.00"
},
"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": 27,
"rows_produced_per_join": 27,
"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 ('35594','35595','35596','35597','35598','35599','35600','35601','35602','35603','35604','35605','35606','35607','35608','35609')))",
"cost_info": {
"read_cost": "48.41",
"eval_cost": "5.40",
"prefix_cost": "53.81",
"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": 27,
"filtered": "100.00",
"cost_info": {
"read_cost": "27.00",
"eval_cost": "5.40",
"prefix_cost": "86.21",
"data_read_per_join": "20K"
},
"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": 27,
"filtered": "100.00",
"cost_info": {
"read_cost": "27.00",
"eval_cost": "5.40",
"prefix_cost": "118.61",
"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 |
|
|
|
|
57521 |
35594 |
product |
59481 |
M |
0 |
|
|
0 |
|
|
|
|
57522 |
35595 |
product |
59482 |
M |
0 |
|
|
0 |
|
|
|
|
57524 |
35596 |
product |
59484 |
M |
0 |
|
|
0 |
|
|
|
|
57534 |
35598 |
product |
59494 |
M |
0 |
|
|
0 |
|
|
|
|
57538 |
35599 |
product |
59498 |
M |
0 |
|
|
0 |
|
|
|
|
57540 |
35600 |
product |
59500 |
M |
0 |
|
|
0 |
|
|
|
|
57541 |
35601 |
product |
59501 |
M |
0 |
|
|
0 |
|
|
|
|
57549 |
35603 |
product |
59509 |
M |
0 |
|
|
0 |
|
|
|
|
57555 |
35604 |
product |
59515 |
M |
0 |
|
|
0 |
|
|
|
|
57556 |
35605 |
product |
59516 |
M |
0 |
|
|
0 |
|
|
|
|
57558 |
35606 |
product |
59518 |
M |
0 |
|
|
0 |
|
|
|
|
57561 |
35607 |
product |
59521 |
M |
0 |
|
|
0 |
|
|
|
|
57562 |
35608 |
product |
59522 |
M |
0 |
|
|
0 |
|
|
|
|
82895 |
35609 |
product |
84838 |
M |
0 |
|
|
0 |
|
|
|
|
57528 |
35597 |
product |
59488 |
M |
1 |
|
|
0 |
|
|
|
|
59175 |
35602 |
product |
61131 |
M |
2 |
|
|