Query time 0.00107
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "136.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "25.00"
},
"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": 25,
"rows_produced_per_join": 25,
"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 ('77','78','79','80','81','82','83','84','85','86','87','88','89','90','91','92')))",
"cost_info": {
"read_cost": "46.01",
"eval_cost": "5.00",
"prefix_cost": "51.01",
"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": 25,
"filtered": "100.00",
"cost_info": {
"read_cost": "25.00",
"eval_cost": "5.00",
"prefix_cost": "81.01",
"data_read_per_join": "19K"
},
"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": 25,
"filtered": "100.00",
"cost_info": {
"read_cost": "25.00",
"eval_cost": "5.00",
"prefix_cost": "111.01",
"data_read_per_join": "14K"
},
"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 |
|
|
|
|
184 |
77 |
product |
2161 |
M |
0 |
|
|
0 |
|
|
|
|
186 |
78 |
product |
2163 |
M |
0 |
|
|
0 |
|
|
|
|
188 |
79 |
product |
2165 |
M |
0 |
|
|
0 |
|
|
|
|
190 |
80 |
product |
2167 |
M |
0 |
|
|
0 |
|
|
|
|
192 |
81 |
product |
2169 |
M |
0 |
|
|
0 |
|
|
|
|
194 |
82 |
product |
2171 |
M |
0 |
|
|
0 |
|
|
|
|
196 |
83 |
product |
2173 |
M |
0 |
|
|
0 |
|
|
|
|
198 |
84 |
product |
2175 |
M |
0 |
|
|
0 |
|
|
|
|
200 |
85 |
product |
2177 |
M |
0 |
|
|
0 |
|
|
|
|
203 |
87 |
product |
2180 |
M |
0 |
|
|
0 |
|
|
|
|
205 |
88 |
product |
2182 |
M |
0 |
|
|
0 |
|
|
|
|
207 |
89 |
product |
2184 |
M |
0 |
|
|
0 |
|
|
|
|
209 |
90 |
product |
2186 |
M |
0 |
|
|
0 |
|
|
|
|
211 |
91 |
product |
2188 |
M |
0 |
|
|
0 |
|
|
|
|
213 |
92 |
product |
2190 |
M |
0 |
|
|
0 |
|
|
|
|
202 |
86 |
product |
2179 |
M |
10 |
|
|