Query time 0.00144
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "200.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "35.00"
},
"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": 35,
"rows_produced_per_join": 35,
"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 ('1559','1560','1561','1562','1563','1564','1565','1566','1567','1568','1569','1570','1571','1572','1573','1574','1577','1578','1579','1580','1581','1582','1583','1584','1585','1586','1587','1588','1589','1590','1591','1592')))",
"cost_info": {
"read_cost": "74.01",
"eval_cost": "7.00",
"prefix_cost": "81.01",
"data_read_per_join": "3K"
},
"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": 35,
"filtered": "100.00",
"cost_info": {
"read_cost": "35.00",
"eval_cost": "7.00",
"prefix_cost": "123.01",
"data_read_per_join": "26K"
},
"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": 35,
"filtered": "100.00",
"cost_info": {
"read_cost": "35.00",
"eval_cost": "7.00",
"prefix_cost": "165.01",
"data_read_per_join": "20K"
},
"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 |
|
|
|
|
3654 |
1590 |
product |
5628 |
A |
1 |
|
|
0 |
|
|
|
|
3656 |
1591 |
product |
5630 |
A |
1 |
|
|
0 |
|
|
|
|
3658 |
1586 |
product |
5632 |
A |
1 |
|
|
0 |
|
|
|
|
3660 |
1580 |
product |
5634 |
A |
1 |
|
|
0 |
|
|
|
|
3662 |
1570 |
product |
5636 |
A |
1 |
|
|
0 |
|
|
|
|
3666 |
1571 |
product |
5640 |
A |
1 |
|
|
0 |
|
|
|
|
3669 |
1572 |
product |
5643 |
A |
1 |
|
|
0 |
|
|
|
|
3671 |
1573 |
product |
5645 |
A |
1 |
|
|
0 |
|
|
|
|
3673 |
1574 |
product |
5647 |
A |
1 |
|
|
0 |
|
|
|
|
3675 |
1577 |
product |
5649 |
A |
1 |
|
|
0 |
|
|
|
|
3677 |
1578 |
product |
5651 |
A |
1 |
|
|
0 |
|
|
|
|
3883 |
1592 |
product |
5857 |
A |
1 |
|
|
0 |
|
|
|
|
4021 |
1587 |
product |
5995 |
A |
1 |
|
|
0 |
|
|
|
|
4023 |
1588 |
product |
5997 |
A |
1 |
|
|
0 |
|
|
|
|
4025 |
1581 |
product |
5999 |
A |
1 |
|
|
0 |
|
|
|
|
4032 |
1589 |
product |
6006 |
A |
1 |
|
|
0 |
|
|
|
|
5043 |
1562 |
product |
7017 |
A |
1 |
|
|
0 |
|
|
|
|
17947 |
1559 |
product |
19909 |
A |
1 |
|
|
0 |
|
|
|
|
17949 |
1560 |
product |
19911 |
A |
1 |
|
|
0 |
|
|
|
|
17951 |
1561 |
product |
19913 |
A |
1 |
|
|
0 |
|
|
|
|
3663 |
1570 |
product |
5637 |
A |
2 |
|
|
0 |
|
|
|
|
3667 |
1571 |
product |
5641 |
A |
2 |
|
|
0 |
|
|
|
|
3664 |
1570 |
product |
5638 |
A |
3 |
|
|
0 |
|
|
|
|
3599 |
1569 |
product |
5573 |
A |
10 |
|
|