Query time 0.00107
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "160.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "30.00"
},
"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": 30,
"rows_produced_per_join": 30,
"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 ('670','671','672','673','636','637','638','639','640','641','642','643','644','645','646','647')))",
"cost_info": {
"read_cost": "52.01",
"eval_cost": "6.00",
"prefix_cost": "58.01",
"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": 30,
"filtered": "100.00",
"cost_info": {
"read_cost": "30.00",
"eval_cost": "6.00",
"prefix_cost": "94.01",
"data_read_per_join": "22K"
},
"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": 30,
"filtered": "100.00",
"cost_info": {
"read_cost": "30.00",
"eval_cost": "6.00",
"prefix_cost": "130.01",
"data_read_per_join": "17K"
},
"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 |
|
|
|
|
1488 |
671 |
product |
3465 |
A |
1 |
|
|
0 |
|
|
|
|
1494 |
670 |
product |
3471 |
A |
1 |
|
|
0 |
|
|
|
|
1496 |
673 |
product |
3473 |
A |
1 |
|
|
0 |
|
|
|
|
1514 |
672 |
product |
3491 |
A |
1 |
|
|
0 |
|
|
|
|
1411 |
636 |
product |
3388 |
A |
10 |
|
|
0 |
|
|
|
|
1413 |
637 |
product |
3390 |
A |
10 |
|
|
0 |
|
|
|
|
1415 |
638 |
product |
3392 |
A |
10 |
|
|
0 |
|
|
|
|
1417 |
639 |
product |
3394 |
A |
10 |
|
|
0 |
|
|
|
|
1419 |
640 |
product |
3396 |
A |
10 |
|
|
0 |
|
|
|
|
1421 |
641 |
product |
3398 |
A |
10 |
|
|
0 |
|
|
|
|
1423 |
642 |
product |
3400 |
A |
10 |
|
|
0 |
|
|
|
|
1425 |
643 |
product |
3402 |
A |
10 |
|
|
0 |
|
|
|
|
1427 |
644 |
product |
3404 |
A |
10 |
|
|
0 |
|
|
|
|
1429 |
645 |
product |
3406 |
A |
10 |
|
|
0 |
|
|
|
|
1431 |
646 |
product |
3408 |
A |
10 |
|
|
0 |
|
|
|
|
1433 |
647 |
product |
3410 |
A |
10 |
|
|
0 |
|
|
|
|
1445 |
636 |
product |
3422 |
A |
10 |
|
|
0 |
|
|
|
|
1446 |
637 |
product |
3423 |
A |
10 |
|
|
0 |
|
|
|
|
1447 |
638 |
product |
3424 |
A |
10 |
|
|
0 |
|
|
|
|
1448 |
639 |
product |
3425 |
A |
10 |
|
|
0 |
|
|
|
|
1449 |
640 |
product |
3426 |
A |
10 |
|
|
0 |
|
|
|
|
1450 |
641 |
product |
3427 |
A |
10 |
|
|
0 |
|
|
|
|
1451 |
642 |
product |
3428 |
A |
10 |
|
|
0 |
|
|
|
|
1452 |
643 |
product |
3429 |
A |
10 |
|
|
0 |
|
|
|
|
1453 |
644 |
product |
3430 |
A |
10 |
|
|
0 |
|
|
|
|
1454 |
645 |
product |
3431 |
A |
10 |
|
|
0 |
|
|
|
|
1455 |
646 |
product |
3432 |
A |
10 |
|
|
0 |
|
|
|
|
1456 |
647 |
product |
3433 |
A |
10 |
|
|