Query time 0.00104
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "136.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "25.00"
},
"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": 25,
"rows_produced_per_join": 25,
"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 ('30784','30785','30786','30787','30788','30789','30790','30791','30792','30793','30794','30795','30796','30797','30798','30799')))",
"cost_info": {
"read_cost": "46.01",
"eval_cost": "5.00",
"prefix_cost": "51.01",
"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": 25,
"filtered": "100.00",
"cost_info": {
"read_cost": "25.00",
"eval_cost": "5.00",
"prefix_cost": "81.01",
"data_read_per_join": "19K"
},
"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": 25,
"filtered": "100.00",
"cost_info": {
"read_cost": "25.00",
"eval_cost": "5.00",
"prefix_cost": "111.01",
"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 |
61ebi5ONwkL._SL1000_.jpg |
1000 |
1000 |
N |
49328 |
30793 |
product |
51289 |
M |
0 |
|
51289 |
0 |
71CbJcH-jZL._SL1000_.jpg |
1000 |
1000 |
N |
49332 |
30792 |
product |
51293 |
M |
0 |
|
51293 |
0 |
71epsootDsL._SL1000_.jpg |
1000 |
1000 |
N |
49334 |
30791 |
product |
51295 |
M |
0 |
|
51295 |
0 |
519O298qoCL._SL1024_.jpg |
1024 |
1024 |
N |
49335 |
30790 |
product |
51296 |
M |
0 |
|
51296 |
0 |
610dZ6aQjlL._SL1000_.jpg |
1000 |
1000 |
N |
49336 |
30789 |
product |
51297 |
M |
0 |
|
51297 |
0 |
61xPPapqGAL._SL1000_.jpg |
1000 |
1000 |
N |
49337 |
30788 |
product |
51298 |
M |
0 |
|
51298 |
0 |
61oL7dIF7iL._SL1000_.jpg |
1000 |
1000 |
N |
49339 |
30787 |
product |
51300 |
M |
0 |
|
51300 |
0 |
51Ux-1e9YwL._SL1024_.jpg |
1024 |
1024 |
N |
49343 |
30786 |
product |
51304 |
M |
0 |
|
51304 |
0 |
61RJJ4AvYQL._SL1000_.jpg |
1000 |
1000 |
N |
49347 |
30785 |
product |
51308 |
M |
0 |
|
51308 |
0 |
61IpT9sr4jL._SL1000_.jpg |
1000 |
1000 |
N |
49348 |
30784 |
product |
51309 |
M |
0 |
|
51309 |
0 |
51qLuePtm9L._SL1000_.jpg |
1000 |
1000 |
N |
49488 |
30799 |
product |
51449 |
M |
0 |
|
51449 |
0 |
51Fza4itu-L.jpg |
500 |
500 |
N |
49489 |
30798 |
product |
51450 |
M |
0 |
|
51450 |
0 |
61fT9EI62dL._SL1024_.jpg |
1024 |
1024 |
N |
49490 |
30797 |
product |
51451 |
M |
0 |
|
51451 |
0 |
614CiYSkWVL._SL1024_.jpg |
1024 |
1024 |
N |
49493 |
30795 |
product |
51454 |
M |
0 |
|
51454 |
0 |
2_1nmh-q0.jpg |
640 |
626 |
N |
81650 |
30796 |
product |
83593 |
M |
0 |
|
83593 |
0 |
2_coc5-s2.jpg |
640 |
626 |
N |
82951 |
30794 |
product |
84894 |
M |
0 |
|
84894 |