Query time 0.00372
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "195.21"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "34.00"
},
"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": 34,
"rows_produced_per_join": 34,
"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 ('32849','32850','32851','32852','32853','32854','32855','32856','32857','32858','32859','32860','32861','32862','32863','32864','32865','32866','32867','32868','32869','32870','32871','32872','32873','32874','32875','32876','32877','32878','32879','32880')))",
"cost_info": {
"read_cost": "72.81",
"eval_cost": "6.80",
"prefix_cost": "79.61",
"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": 34,
"filtered": "100.00",
"cost_info": {
"read_cost": "34.00",
"eval_cost": "6.80",
"prefix_cost": "120.41",
"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": 34,
"filtered": "100.00",
"cost_info": {
"read_cost": "34.00",
"eval_cost": "6.80",
"prefix_cost": "161.21",
"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 |
|
|
|
|
43883 |
32849 |
product |
45845 |
M |
0 |
|
|
0 |
|
|
|
|
43887 |
32850 |
product |
45849 |
M |
0 |
|
|
0 |
|
|
|
|
43891 |
32851 |
product |
45853 |
M |
0 |
|
|
0 |
|
|
|
|
43895 |
32852 |
product |
45857 |
M |
0 |
|
|
0 |
|
|
|
|
43899 |
32853 |
product |
45861 |
M |
0 |
|
|
0 |
|
|
|
|
43902 |
32854 |
product |
45864 |
M |
0 |
|
|
0 |
|
|
|
|
43905 |
32855 |
product |
45867 |
M |
0 |
|
|
0 |
|
|
|
|
43908 |
32856 |
product |
45870 |
M |
0 |
|
|
0 |
|
|
|
|
43911 |
32857 |
product |
45873 |
M |
0 |
|
|
0 |
|
|
|
|
43914 |
32858 |
product |
45876 |
M |
0 |
|
|
0 |
|
|
|
|
43917 |
32859 |
product |
45879 |
M |
0 |
|
|
0 |
|
|
|
|
43920 |
32860 |
product |
45882 |
M |
0 |
|
|
0 |
|
|
|
|
43924 |
32861 |
product |
45886 |
M |
0 |
|
|
0 |
|
|
|
|
43928 |
32862 |
product |
45890 |
M |
0 |
|
|
0 |
|
|
|
|
43932 |
32863 |
product |
45894 |
M |
0 |
|
|
0 |
|
|
|
|
43936 |
32864 |
product |
45898 |
M |
0 |
|
|
0 |
|
|
|
|
43940 |
32865 |
product |
45902 |
M |
0 |
|
|
0 |
|
|
|
|
43944 |
32866 |
product |
45906 |
M |
0 |
|
|
0 |
|
|
|
|
43948 |
32867 |
product |
45910 |
M |
0 |
|
|
0 |
|
|
|
|
43952 |
32868 |
product |
45914 |
M |
0 |
|
|
0 |
|
|
|
|
43956 |
32869 |
product |
45918 |
M |
0 |
|
|
0 |
|
|
|
|
43960 |
32870 |
product |
45922 |
M |
0 |
|
|
0 |
|
|
|
|
43964 |
32871 |
product |
45926 |
M |
0 |
|
|
0 |
|
|
|
|
43968 |
32872 |
product |
45930 |
M |
0 |
|
|
0 |
|
|
|
|
43972 |
32873 |
product |
45934 |
M |
0 |
|
|
0 |
|
|
|
|
43976 |
32874 |
product |
45938 |
M |
0 |
|
|
0 |
|
|
|
|
43980 |
32875 |
product |
45942 |
M |
0 |
|
|
0 |
|
|
|
|
43988 |
32877 |
product |
45950 |
M |
0 |
|
|
0 |
|
|
|
|
43996 |
32879 |
product |
45958 |
M |
0 |
|
|
0 |
|
|
|
|
44000 |
32880 |
product |
45962 |
M |
0 |
|
|
0 |
|
|
|
|
68213 |
32876 |
product |
70164 |
M |
0 |
|
|
0 |
|
|
|
|
82374 |
32878 |
product |
84317 |
M |
0 |
|
|