Query time 0.00092
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "184.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "35.00"
},
"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": 35,
"rows_produced_per_join": 35,
"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 ('9219','9220','9221','9222','9223','9224','9225','9226','9227','9228','9229','9230','9231','9232','9233','9234')))",
"cost_info": {
"read_cost": "58.01",
"eval_cost": "7.00",
"prefix_cost": "65.01",
"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": 35,
"filtered": "100.00",
"cost_info": {
"read_cost": "35.00",
"eval_cost": "7.00",
"prefix_cost": "107.01",
"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": 35,
"filtered": "100.00",
"cost_info": {
"read_cost": "35.00",
"eval_cost": "7.00",
"prefix_cost": "149.01",
"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 |
|
|
|
|
80948 |
9232 |
product |
82891 |
A |
0 |
|
|
0 |
|
|
|
|
80950 |
9232 |
product |
82893 |
A |
0 |
|
|
0 |
|
|
|
|
80951 |
9233 |
product |
82894 |
A |
0 |
|
|
0 |
|
|
|
|
21246 |
9219 |
product |
23208 |
A |
1 |
|
|
0 |
|
|
|
|
80455 |
9220 |
product |
82398 |
A |
1 |
|
|
0 |
|
|
|
|
80458 |
9221 |
product |
82401 |
A |
1 |
|
|
0 |
|
|
|
|
80460 |
9222 |
product |
82403 |
A |
1 |
|
|
0 |
|
|
|
|
80467 |
9228 |
product |
82410 |
A |
1 |
|
|
0 |
|
|
|
|
80952 |
9234 |
product |
82895 |
A |
1 |
|
|
0 |
|
|
|
|
21185 |
9227 |
product |
23147 |
A |
2 |
|
|
0 |
|
|
|
|
80456 |
9220 |
product |
82399 |
A |
2 |
|
|
0 |
|
|
|
|
80459 |
9221 |
product |
82402 |
A |
2 |
|
|
0 |
|
|
|
|
80461 |
9222 |
product |
82404 |
A |
2 |
|
|
0 |
|
|
|
|
80462 |
9224 |
product |
82405 |
A |
2 |
|
|
0 |
|
|
|
|
80465 |
9226 |
product |
82408 |
A |
2 |
|
|
0 |
|
|
|
|
80947 |
9231 |
product |
82890 |
A |
2 |
|
|
0 |
|
|
|
|
80949 |
9231 |
product |
82892 |
A |
2 |
|
|
0 |
|
|
|
|
21186 |
9227 |
product |
23148 |
A |
3 |
|
|
0 |
|
|
|
|
80457 |
9220 |
product |
82400 |
A |
3 |
|
|
0 |
|
|
|
|
80463 |
9224 |
product |
82406 |
A |
3 |
|
|
0 |
|
|
|
|
21187 |
9227 |
product |
23149 |
A |
4 |
|
|