Query time 0.00100
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "126.41"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "23.00"
},
"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": 23,
"rows_produced_per_join": 23,
"filtered": "100.00",
"index_condition": "((`portal`.`q_images_links`.`object_type` = 'product') and (`portal`.`q_images_links`.`type` = 'A') and (`portal`.`q_images_links`.`object_id` in ('363','364','365','366','367','368','369','370','371','372','373','374','375','376','377','378')))",
"cost_info": {
"read_cost": "43.61",
"eval_cost": "4.60",
"prefix_cost": "48.21",
"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.detailed_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 23,
"filtered": "100.00",
"cost_info": {
"read_cost": "23.00",
"eval_cost": "4.60",
"prefix_cost": "75.81",
"data_read_per_join": "17K"
},
"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": 23,
"filtered": "100.00",
"cost_info": {
"read_cost": "23.00",
"eval_cost": "4.60",
"prefix_cost": "103.41",
"data_read_per_join": "13K"
},
"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 |
2000085856446.jpg |
700 |
700 |
N |
18733 |
366 |
product |
20695 |
A |
1 |
|
20695 |
0 |
737052884097-2.jpg |
1200 |
1200 |
N |
748 |
363 |
product |
2725 |
A |
10 |
|
2725 |
0 |
737052884134-2.jpg |
1200 |
1200 |
N |
750 |
364 |
product |
2727 |
A |
10 |
|
2727 |
0 |
3423478400559-2.jpg |
1000 |
1000 |
N |
752 |
365 |
product |
2729 |
A |
10 |
|
2729 |
0 |
3423473020691-2.jpg |
1000 |
1000 |
N |
755 |
367 |
product |
2732 |
A |
10 |
|
2732 |
0 |
3423473020820-2.jpg |
1000 |
1000 |
N |
757 |
368 |
product |
2734 |
A |
10 |
|
2734 |
0 |
737052783697-2.jpg |
1000 |
1000 |
N |
759 |
369 |
product |
2736 |
A |
10 |
|
2736 |
0 |
3423473020509-2.jpg |
1000 |
1000 |
N |
761 |
370 |
product |
2738 |
A |
10 |
|
2738 |
0 |
3423473020233-2.jpg |
2000 |
2000 |
N |
763 |
371 |
product |
2740 |
A |
10 |
|
2740 |
0 |
3423473020264-2.jpg |
1760 |
2040 |
N |
765 |
372 |
product |
2742 |
A |
10 |
|
2742 |
0 |
3423473032878-2.jpg |
1000 |
1000 |
N |
767 |
373 |
product |
2744 |
A |
10 |
|
2744 |
0 |
3423473032861-2.jpg |
1000 |
1000 |
N |
769 |
374 |
product |
2746 |
A |
10 |
|
2746 |
0 |
3423473032816-2.jpg |
225 |
225 |
N |
771 |
375 |
product |
2748 |
A |
10 |
|
2748 |
0 |
737052883656-2.jpg |
1000 |
1000 |
N |
773 |
376 |
product |
2750 |
A |
10 |
|
2750 |
0 |
3423473020615-2.jpg |
1000 |
1000 |
N |
775 |
377 |
product |
2752 |
A |
10 |
|
2752 |
0 |
3423473020608-2.jpg |
1200 |
1200 |
N |
777 |
378 |
product |
2754 |
A |
10 |
|
2754 |