Query time 0.00113
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "92.81"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "16.00"
},
"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": 16,
"rows_produced_per_join": 16,
"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 ('2890','2891','2892','2858','2859','2860','2861','2862','2863','2864','2865','2866','2867','2868','2869','2870')))",
"cost_info": {
"read_cost": "35.21",
"eval_cost": "3.20",
"prefix_cost": "38.41",
"data_read_per_join": "1K"
},
"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": 16,
"filtered": "100.00",
"cost_info": {
"read_cost": "16.00",
"eval_cost": "3.20",
"prefix_cost": "57.61",
"data_read_per_join": "12K"
},
"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": 16,
"filtered": "100.00",
"cost_info": {
"read_cost": "16.00",
"eval_cost": "3.20",
"prefix_cost": "76.81",
"data_read_per_join": "9K"
},
"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 |
00113511305503____1__516x640.jpg |
516 |
640 |
N |
82071 |
2858 |
product |
84014 |
A |
1 |
|
84014 |
0 |
00113511308804____1__516x640.jpg |
516 |
640 |
N |
82072 |
2860 |
product |
84015 |
A |
1 |
|
84015 |
0 |
51ffc779d11113de12006023.jpg |
420 |
413 |
N |
82073 |
2864 |
product |
84016 |
A |
1 |
|
84016 |
0 |
PRADA65051605_7is9-df.jpg |
500 |
500 |
N |
82074 |
2865 |
product |
84018 |
A |
1 |
|
84018 |
0 |
PRADA65051605.jpg |
500 |
500 |
N |
82075 |
2865 |
product |
84017 |
A |
1 |
|
84017 |
0 |
PRADA65113578.jpg |
500 |
500 |
N |
82090 |
2867 |
product |
84033 |
A |
1 |
|
84033 |
0 |
478900054541_1_.jpg |
800 |
800 |
N |
82246 |
2891 |
product |
84189 |
A |
1 |
|
84189 |
0 |
item_XL_7865126_16190386.jpg |
500 |
433 |
N |
82377 |
2892 |
product |
84320 |
A |
1 |
|
84320 |
0 |
3324266231341.jpg |
700 |
700 |
N |
82245 |
2890 |
product |
84188 |
A |
2 |
|
84188 |