Query time 0.00111
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "131.21"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "24.00"
},
"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": 24,
"rows_produced_per_join": 24,
"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 ('539','540','541','542','543','544','545','546','547','548','549','500','501','502','503','504')))",
"cost_info": {
"read_cost": "44.81",
"eval_cost": "4.80",
"prefix_cost": "49.61",
"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.detailed_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 24,
"filtered": "100.00",
"cost_info": {
"read_cost": "24.00",
"eval_cost": "4.80",
"prefix_cost": "78.41",
"data_read_per_join": "18K"
},
"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": 24,
"filtered": "100.00",
"cost_info": {
"read_cost": "24.00",
"eval_cost": "4.80",
"prefix_cost": "107.21",
"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 |
3386460088190.jpg |
900 |
900 |
N |
1033 |
500 |
product |
3010 |
M |
0 |
|
3010 |
0 |
3386460100335.jpg |
1120 |
1200 |
N |
1035 |
501 |
product |
3012 |
M |
0 |
|
3012 |
0 |
3386460102278.jpg |
1500 |
988 |
N |
1037 |
502 |
product |
3014 |
M |
0 |
|
3014 |
0 |
3386460071987.jpg |
1400 |
1592 |
N |
1039 |
503 |
product |
3016 |
M |
0 |
|
3016 |
0 |
3386460018050.jpg |
1400 |
1592 |
N |
1041 |
504 |
product |
3018 |
M |
0 |
|
3018 |
0 |
737052777238.jpg |
448 |
307 |
N |
1110 |
539 |
product |
3087 |
M |
0 |
|
3087 |
0 |
737052717630.jpg |
500 |
500 |
N |
1112 |
540 |
product |
3089 |
M |
0 |
|
3089 |
0 |
737052824376.jpg |
350 |
350 |
N |
1114 |
541 |
product |
3091 |
M |
0 |
|
3091 |
0 |
8005610328256.jpg |
483 |
600 |
N |
1116 |
542 |
product |
3093 |
M |
0 |
|
3093 |
0 |
737052495576.jpg |
1000 |
1000 |
N |
1119 |
544 |
product |
3096 |
M |
0 |
|
3096 |
0 |
737052758046.jpg |
1000 |
1000 |
N |
1121 |
545 |
product |
3098 |
M |
0 |
|
3098 |
0 |
8005610328799.jpg |
1352 |
760 |
N |
1123 |
546 |
product |
3100 |
M |
0 |
|
3100 |
0 |
8005610325927.jpg |
600 |
519 |
N |
1125 |
547 |
product |
3102 |
M |
0 |
|
3102 |
0 |
8005610474304.jpg |
522 |
415 |
N |
1127 |
548 |
product |
3104 |
M |
0 |
|
3104 |
0 |
766124069605.JPG |
500 |
500 |
N |
1133 |
543 |
product |
3110 |
M |
0 |
|
3110 |
0 |
2_4scg-sp.jpg |
640 |
626 |
N |
81494 |
549 |
product |
83437 |
M |
0 |
|
83437 |