Query time 0.00126
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "102.41"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "18.00"
},
"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": 18,
"rows_produced_per_join": 18,
"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 ('613','614','615','616','581','582','583','584','585','586','565','566','567','568','569','570')))",
"cost_info": {
"read_cost": "37.61",
"eval_cost": "3.60",
"prefix_cost": "41.21",
"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": 18,
"filtered": "100.00",
"cost_info": {
"read_cost": "18.00",
"eval_cost": "3.60",
"prefix_cost": "62.81",
"data_read_per_join": "13K"
},
"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": 18,
"filtered": "100.00",
"cost_info": {
"read_cost": "18.00",
"eval_cost": "3.60",
"prefix_cost": "84.41",
"data_read_per_join": "10K"
},
"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 |
3614271687654.jpg |
1000 |
1000 |
N |
1162 |
565 |
product |
3139 |
M |
0 |
|
3139 |
0 |
3147754035357.jpg |
1600 |
1600 |
N |
1164 |
566 |
product |
3141 |
M |
0 |
|
3141 |
0 |
3147758235500.jpg |
1000 |
1000 |
N |
1165 |
567 |
product |
3142 |
M |
0 |
|
3142 |
0 |
3614271425959.jpg |
1500 |
2250 |
N |
1167 |
568 |
product |
3144 |
M |
0 |
|
3144 |
0 |
3605533286555.jpg |
1000 |
1000 |
N |
1171 |
570 |
product |
3148 |
M |
0 |
|
3148 |
0 |
3605971364648.jpg |
1290 |
1380 |
N |
1193 |
582 |
product |
3170 |
M |
0 |
|
3170 |
0 |
3605970794576.jpg |
1000 |
1000 |
N |
1195 |
583 |
product |
3172 |
M |
0 |
|
3172 |
0 |
3605970794613.jpg |
1000 |
1000 |
N |
1197 |
584 |
product |
3174 |
M |
0 |
|
3174 |
0 |
3760016770188.jpg |
247 |
293 |
N |
1199 |
585 |
product |
3176 |
M |
0 |
|
3176 |
0 |
3360377022966.jpg |
817 |
1000 |
N |
1201 |
586 |
product |
3178 |
M |
0 |
|
3178 |
0 |
737052074740.jpg |
1000 |
1000 |
N |
1257 |
613 |
product |
3234 |
M |
0 |
|
3234 |
0 |
737052191348.jpg |
1000 |
1000 |
N |
1259 |
614 |
product |
3236 |
M |
0 |
|
3236 |
0 |
737052191331.jpg |
900 |
1234 |
N |
1261 |
615 |
product |
3238 |
M |
0 |
|
3238 |
0 |
737052191324.jpg |
1000 |
1000 |
N |
1263 |
616 |
product |
3240 |
M |
0 |
|
3240 |
0 |
perfume_polo.jpg |
640 |
626 |
N |
39927 |
581 |
product |
41889 |
M |
0 |
|
41889 |
0 |
2_9bkt-0j.jpg |
640 |
626 |
N |
83297 |
569 |
product |
85240 |
M |
0 |
|
85240 |