Query time 0.00119
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "116.81"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "21.00"
},
"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": 21,
"rows_produced_per_join": 21,
"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 ('490','491','492','493','494','495','496','497','498','499','450','451','452','453','454','455')))",
"cost_info": {
"read_cost": "41.21",
"eval_cost": "4.20",
"prefix_cost": "45.41",
"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": 21,
"filtered": "100.00",
"cost_info": {
"read_cost": "21.00",
"eval_cost": "4.20",
"prefix_cost": "70.61",
"data_read_per_join": "16K"
},
"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": 21,
"filtered": "100.00",
"cost_info": {
"read_cost": "21.00",
"eval_cost": "4.20",
"prefix_cost": "95.81",
"data_read_per_join": "12K"
},
"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 |
3145891233209.jpg |
1000 |
1000 |
N |
932 |
450 |
product |
2909 |
M |
0 |
|
2909 |
0 |
3145891236309.jpg |
1000 |
1000 |
N |
934 |
451 |
product |
2911 |
M |
0 |
|
2911 |
0 |
3145891297300.jpg |
1000 |
1000 |
N |
936 |
452 |
product |
2913 |
M |
0 |
|
2913 |
0 |
3145891184600.jpg |
1000 |
1000 |
N |
938 |
453 |
product |
2915 |
M |
0 |
|
2915 |
0 |
3145891074604.jpg |
1200 |
1200 |
N |
940 |
454 |
product |
2917 |
M |
0 |
|
2917 |
0 |
3145891265200.jpg |
600 |
431 |
N |
942 |
455 |
product |
2919 |
M |
0 |
|
2919 |
0 |
3346470135819.jpg |
551 |
551 |
N |
1013 |
490 |
product |
2990 |
M |
0 |
|
2990 |
0 |
3346470132245.jpg |
700 |
700 |
N |
1015 |
491 |
product |
2992 |
M |
0 |
|
2992 |
0 |
3346470132726.jpg |
500 |
500 |
N |
1017 |
492 |
product |
2994 |
M |
0 |
|
2994 |
0 |
3346470116375.jpg |
300 |
300 |
N |
1019 |
493 |
product |
2996 |
M |
0 |
|
2996 |
0 |
3346470113558.jpg |
1000 |
1000 |
N |
1021 |
494 |
product |
2998 |
M |
0 |
|
2998 |
0 |
3346470113626.jpg |
1000 |
1000 |
N |
1023 |
495 |
product |
3000 |
M |
0 |
|
3000 |
0 |
3346470417694.jpg |
1000 |
1000 |
N |
1025 |
496 |
product |
3002 |
M |
0 |
|
3002 |
0 |
3346470132047.jpg |
1600 |
662 |
N |
1027 |
497 |
product |
3004 |
M |
0 |
|
3004 |
0 |
3346470303775.jpg |
1000 |
1000 |
N |
1029 |
498 |
product |
3006 |
M |
0 |
|
3006 |
0 |
3346470303607.jpg |
1000 |
1000 |
N |
1031 |
499 |
product |
3008 |
M |
0 |
|
3008 |