Query time 0.00177
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "185.61"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "32.00"
},
"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": 32,
"rows_produced_per_join": 32,
"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 ('790','789','788','787','786','785','784','783','782','781','780','779','778','777','776','775','774','773','772','771','770','769','768','767','766','765','764','763','762','755','754','753')))",
"cost_info": {
"read_cost": "70.41",
"eval_cost": "6.40",
"prefix_cost": "76.81",
"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": 32,
"filtered": "100.00",
"cost_info": {
"read_cost": "32.00",
"eval_cost": "6.40",
"prefix_cost": "115.21",
"data_read_per_join": "24K"
},
"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": 32,
"filtered": "100.00",
"cost_info": {
"read_cost": "32.00",
"eval_cost": "6.40",
"prefix_cost": "153.61",
"data_read_per_join": "19K"
},
"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 |
|
|
|
|
1744 |
753 |
product |
3720 |
M |
0 |
|
|
0 |
|
|
|
|
1750 |
754 |
product |
3726 |
M |
0 |
|
|
0 |
|
|
|
|
1756 |
755 |
product |
3732 |
M |
0 |
|
|
0 |
|
|
|
|
1793 |
762 |
product |
3769 |
M |
0 |
|
|
0 |
|
|
|
|
1799 |
763 |
product |
3775 |
M |
0 |
|
|
0 |
|
|
|
|
1804 |
764 |
product |
3780 |
M |
0 |
|
|
0 |
|
|
|
|
1809 |
765 |
product |
3785 |
M |
0 |
|
|
0 |
|
|
|
|
1813 |
766 |
product |
3789 |
M |
0 |
|
|
0 |
|
|
|
|
1819 |
767 |
product |
3795 |
M |
0 |
|
|
0 |
|
|
|
|
1824 |
768 |
product |
3800 |
M |
0 |
|
|
0 |
|
|
|
|
1829 |
769 |
product |
3805 |
M |
0 |
|
|
0 |
|
|
|
|
1835 |
770 |
product |
3811 |
M |
0 |
|
|
0 |
|
|
|
|
1840 |
771 |
product |
3816 |
M |
0 |
|
|
0 |
|
|
|
|
1846 |
772 |
product |
3822 |
M |
0 |
|
|
0 |
|
|
|
|
1850 |
773 |
product |
3826 |
M |
0 |
|
|
0 |
|
|
|
|
1860 |
775 |
product |
3836 |
M |
0 |
|
|
0 |
|
|
|
|
1864 |
776 |
product |
3840 |
M |
0 |
|
|
0 |
|
|
|
|
1869 |
777 |
product |
3845 |
M |
0 |
|
|
0 |
|
|
|
|
1874 |
778 |
product |
3850 |
M |
0 |
|
|
0 |
|
|
|
|
1878 |
779 |
product |
3854 |
M |
0 |
|
|
0 |
|
|
|
|
1882 |
780 |
product |
3858 |
M |
0 |
|
|
0 |
|
|
|
|
1886 |
781 |
product |
3862 |
M |
0 |
|
|
0 |
|
|
|
|
1896 |
783 |
product |
3872 |
M |
0 |
|
|
0 |
|
|
|
|
1901 |
784 |
product |
3877 |
M |
0 |
|
|
0 |
|
|
|
|
1906 |
785 |
product |
3882 |
M |
0 |
|
|
0 |
|
|
|
|
1912 |
786 |
product |
3888 |
M |
0 |
|
|
0 |
|
|
|
|
1918 |
787 |
product |
3894 |
M |
0 |
|
|
0 |
|
|
|
|
1922 |
788 |
product |
3898 |
M |
0 |
|
|
0 |
|
|
|
|
1927 |
789 |
product |
3903 |
M |
0 |
|
|
0 |
|
|
|
|
1932 |
790 |
product |
3908 |
M |
0 |
|
|
0 |
|
|
|
|
79916 |
782 |
product |
81859 |
M |
0 |
|
|
0 |
|
|
|
|
1855 |
774 |
product |
3831 |
M |
5 |
|
|