Query time 0.00172
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "140.81"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "26.00"
},
"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": 26,
"rows_produced_per_join": 26,
"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 ('34','35','36','37','38','39','40','41','42','43','44','45','46','47','48','49')))",
"cost_info": {
"read_cost": "47.21",
"eval_cost": "5.20",
"prefix_cost": "52.41",
"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.detailed_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 26,
"filtered": "100.00",
"cost_info": {
"read_cost": "26.00",
"eval_cost": "5.20",
"prefix_cost": "83.61",
"data_read_per_join": "19K"
},
"used_columns": [
"image_id",
"image_path",
"image_x",
"image_y",
"is_high_res"
],
"attached_condition": "<if>(is_not_null_compl(q_images), (`portal`.`q_images_links`.`detailed_id` = `portal`.`q_images`.`image_id`), true)"
}
},
{
"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": 26,
"filtered": "100.00",
"cost_info": {
"read_cost": "26.00",
"eval_cost": "5.20",
"prefix_cost": "114.81",
"data_read_per_join": "15K"
},
"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 |
5045493114112.jpg |
900 |
900 |
N |
105 |
34 |
product |
2082 |
M |
0 |
|
2082 |
0 |
5045252667392.jpg |
1000 |
1000 |
N |
107 |
35 |
product |
2084 |
M |
0 |
|
2084 |
0 |
5045497988061.jpg |
1000 |
1000 |
N |
109 |
36 |
product |
2086 |
M |
0 |
|
2086 |
0 |
5045252668184.jpg |
1000 |
1000 |
N |
111 |
37 |
product |
2088 |
M |
0 |
|
2088 |
0 |
5045252668085.jpg |
1000 |
1000 |
N |
112 |
38 |
product |
2089 |
M |
0 |
|
2089 |
0 |
5045497416243.jpg |
1000 |
1000 |
N |
114 |
39 |
product |
2091 |
M |
0 |
|
2091 |
0 |
5045497416274.jpg |
1000 |
1000 |
N |
115 |
40 |
product |
2092 |
M |
0 |
|
2092 |
0 |
5045456747685.jpg |
1000 |
1000 |
N |
117 |
41 |
product |
2094 |
M |
0 |
|
2094 |
0 |
5045456773318.jpg |
1000 |
1000 |
N |
119 |
42 |
product |
2096 |
M |
0 |
|
2096 |
0 |
5045456747654.jpg |
857 |
1000 |
N |
121 |
43 |
product |
2098 |
M |
0 |
|
2098 |
0 |
5045551783649.jpg |
900 |
900 |
N |
122 |
44 |
product |
2099 |
M |
0 |
|
2099 |
0 |
5045551783618.jpg |
1200 |
800 |
N |
124 |
45 |
product |
2101 |
M |
0 |
|
2101 |
0 |
5045551783670.jpg |
1500 |
1500 |
N |
126 |
46 |
product |
2103 |
M |
0 |
|
2103 |
0 |
5045419039611.jpg |
900 |
900 |
N |
128 |
47 |
product |
2105 |
M |
0 |
|
2105 |
0 |
5045493329042.jpg |
900 |
900 |
N |
130 |
48 |
product |
2107 |
M |
0 |
|
2107 |
0 |
5045379571480.jpg |
1056 |
1200 |
N |
132 |
49 |
product |
2109 |
M |
0 |
|
2109 |