Query time 0.00126
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "236.41"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "43.00"
},
"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": 43,
"rows_produced_per_join": 43,
"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 ('105','15','16','17','18','19','20','21','22','23','24','25','26','27','28','29','30','31','32','33','34','35','36','37','38','39','40','41','42','43')))",
"cost_info": {
"read_cost": "81.61",
"eval_cost": "8.60",
"prefix_cost": "90.21",
"data_read_per_join": "4K"
},
"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": 43,
"filtered": "100.00",
"cost_info": {
"read_cost": "43.00",
"eval_cost": "8.60",
"prefix_cost": "141.81",
"data_read_per_join": "32K"
},
"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": 43,
"filtered": "100.00",
"cost_info": {
"read_cost": "43.00",
"eval_cost": "8.60",
"prefix_cost": "193.41",
"data_read_per_join": "25K"
},
"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 |
|
|
|
|
545 |
27 |
product |
2522 |
A |
1 |
|
|
0 |
|
|
|
|
74 |
15 |
product |
2051 |
A |
10 |
|
|
0 |
|
|
|
|
78 |
18 |
product |
2055 |
A |
10 |
|
|
0 |
|
|
|
|
80 |
19 |
product |
2057 |
A |
10 |
|
|
0 |
|
|
|
|
82 |
20 |
product |
2059 |
A |
10 |
|
|
0 |
|
|
|
|
84 |
21 |
product |
2061 |
A |
10 |
|
|
0 |
|
|
|
|
86 |
22 |
product |
2063 |
A |
10 |
|
|
0 |
|
|
|
|
88 |
23 |
product |
2065 |
A |
10 |
|
|
0 |
|
|
|
|
91 |
25 |
product |
2068 |
A |
10 |
|
|
0 |
|
|
|
|
93 |
26 |
product |
2070 |
A |
10 |
|
|
0 |
|
|
|
|
96 |
29 |
product |
2073 |
A |
10 |
|
|
0 |
|
|
|
|
98 |
30 |
product |
2075 |
A |
10 |
|
|
0 |
|
|
|
|
100 |
31 |
product |
2077 |
A |
10 |
|
|
0 |
|
|
|
|
102 |
32 |
product |
2079 |
A |
10 |
|
|
0 |
|
|
|
|
104 |
33 |
product |
2081 |
A |
10 |
|
|
0 |
|
|
|
|
106 |
34 |
product |
2083 |
A |
10 |
|
|
0 |
|
|
|
|
108 |
35 |
product |
2085 |
A |
10 |
|
|
0 |
|
|
|
|
110 |
36 |
product |
2087 |
A |
10 |
|
|
0 |
|
|
|
|
113 |
38 |
product |
2090 |
A |
10 |
|
|
0 |
|
|
|
|
116 |
40 |
product |
2093 |
A |
10 |
|
|
0 |
|
|
|
|
118 |
41 |
product |
2095 |
A |
10 |
|
|
0 |
|
|
|
|
120 |
42 |
product |
2097 |
A |
10 |
|
|