Query time 0.00166
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "162.41"
},
"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 ('1593','1594','1595','1596','1597','1598','1599','1600','1601','1602','1603','1605','1606','1607','1610','1611','1612','1613','1614','1615','1616','1617','1618','1624','1625','1626','1627','1628')))",
"cost_info": {
"read_cost": "61.61",
"eval_cost": "5.60",
"prefix_cost": "67.21",
"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": "100.81",
"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": "134.41",
"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 |
|
|
|
|
3600 |
1610 |
product |
5574 |
M |
0 |
|
|
0 |
|
|
|
|
3601 |
1611 |
product |
5575 |
M |
0 |
|
|
0 |
|
|
|
|
3602 |
1613 |
product |
5576 |
M |
0 |
|
|
0 |
|
|
|
|
3603 |
1614 |
product |
5577 |
M |
0 |
|
|
0 |
|
|
|
|
3604 |
1615 |
product |
5578 |
M |
0 |
|
|
0 |
|
|
|
|
3605 |
1616 |
product |
5579 |
M |
0 |
|
|
0 |
|
|
|
|
3606 |
1617 |
product |
5580 |
M |
0 |
|
|
0 |
|
|
|
|
3607 |
1618 |
product |
5581 |
M |
0 |
|
|
0 |
|
|
|
|
3643 |
1626 |
product |
5617 |
M |
0 |
|
|
0 |
|
|
|
|
3645 |
1602 |
product |
5619 |
M |
0 |
|
|
0 |
|
|
|
|
3647 |
1601 |
product |
5621 |
M |
0 |
|
|
0 |
|
|
|
|
3649 |
1597 |
product |
5623 |
M |
0 |
|
|
0 |
|
|
|
|
3651 |
1598 |
product |
5625 |
M |
0 |
|
|
0 |
|
|
|
|
3661 |
1612 |
product |
5635 |
M |
0 |
|
|
0 |
|
|
|
|
3884 |
1593 |
product |
5858 |
M |
0 |
|
|
0 |
|
|
|
|
4026 |
1596 |
product |
6000 |
M |
0 |
|
|
0 |
|
|
|
|
4028 |
1594 |
product |
6002 |
M |
0 |
|
|
0 |
|
|
|
|
5138 |
1600 |
product |
7112 |
M |
0 |
|
|
0 |
|
|
|
|
5139 |
1595 |
product |
7113 |
M |
0 |
|
|
0 |
|
|
|
|
18260 |
1599 |
product |
20222 |
M |
0 |
|
|
0 |
|
|
|
|
18261 |
1603 |
product |
20223 |
M |
0 |
|
|
0 |
|
|
|
|
18264 |
1605 |
product |
20226 |
M |
0 |
|
|
0 |
|
|
|
|
18266 |
1606 |
product |
20228 |
M |
0 |
|
|
0 |
|
|
|
|
18268 |
1607 |
product |
20230 |
M |
0 |
|
|
0 |
|
|
|
|
81993 |
1625 |
product |
83936 |
M |
0 |
|
|
0 |
|
|
|
|
3613 |
1624 |
product |
5587 |
M |
10 |
|
|
0 |
|
|
|
|
3615 |
1627 |
product |
5589 |
M |
10 |
|
|
0 |
|
|
|
|
3616 |
1628 |
product |
5590 |
M |
10 |
|
|