Query time 0.00140
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` = 'A') and (`portal`.`q_images_links`.`object_id` in ('5846','5847','5848','5849','5850','5851','5852','5853','5854','5855','5856','5857','5858','5859','5860','5861','5862','5863','5864','5865','5866','5867','5868','5869','5870','5871','5872','5873','5874','5875','5876','5877')))",
"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 |
|
|
|
|
11236 |
5872 |
product |
13198 |
A |
1 |
|
|
0 |
|
|
|
|
11269 |
5864 |
product |
13231 |
A |
1 |
|
|
0 |
|
|
|
|
11293 |
5866 |
product |
13255 |
A |
1 |
|
|
0 |
|
|
|
|
11295 |
5867 |
product |
13257 |
A |
1 |
|
|
0 |
|
|
|
|
11297 |
5868 |
product |
13259 |
A |
1 |
|
|
0 |
|
|
|
|
11299 |
5869 |
product |
13261 |
A |
1 |
|
|
0 |
|
|
|
|
11301 |
5870 |
product |
13263 |
A |
1 |
|
|
0 |
|
|
|
|
11303 |
5871 |
product |
13265 |
A |
1 |
|
|
0 |
|
|
|
|
11305 |
5873 |
product |
13267 |
A |
1 |
|
|
0 |
|
|
|
|
11307 |
5874 |
product |
13269 |
A |
1 |
|
|
0 |
|
|
|
|
11310 |
5876 |
product |
13272 |
A |
1 |
|
|
0 |
|
|
|
|
80722 |
5872 |
product |
82665 |
A |
2 |
|
|
0 |
|
|
|
|
11246 |
5850 |
product |
13208 |
A |
3 |
|
|
0 |
|
|
|
|
80723 |
5872 |
product |
82666 |
A |
3 |
|
|
0 |
|
|
|
|
80724 |
5872 |
product |
82667 |
A |
4 |
|
|