Query time 0.00118
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "121.61"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "22.00"
},
"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": 22,
"rows_produced_per_join": 22,
"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 ('557','558','559','560','561','562','563','564','515','516','517','518','519','520','521','522')))",
"cost_info": {
"read_cost": "42.41",
"eval_cost": "4.40",
"prefix_cost": "46.81",
"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": 22,
"filtered": "100.00",
"cost_info": {
"read_cost": "22.00",
"eval_cost": "4.40",
"prefix_cost": "73.21",
"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": 22,
"filtered": "100.00",
"cost_info": {
"read_cost": "22.00",
"eval_cost": "4.40",
"prefix_cost": "99.61",
"data_read_per_join": "13K"
},
"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 |
3614227570023.jpg |
1000 |
1000 |
N |
1065 |
516 |
product |
3042 |
M |
0 |
|
3042 |
0 |
737052189857.jpg |
1000 |
1000 |
N |
1067 |
517 |
product |
3044 |
M |
0 |
|
3044 |
0 |
737052132662.jpg |
1000 |
1000 |
N |
1069 |
518 |
product |
3046 |
M |
0 |
|
3046 |
0 |
737052034522.jpg |
1000 |
1000 |
N |
1071 |
519 |
product |
3048 |
M |
0 |
|
3048 |
0 |
8005610325682.jpg |
500 |
500 |
N |
1073 |
520 |
product |
3050 |
M |
0 |
|
3050 |
0 |
737052294650.jpg |
650 |
650 |
N |
1075 |
521 |
product |
3052 |
M |
0 |
|
3052 |
0 |
737052230856.jpg |
500 |
500 |
N |
1076 |
522 |
product |
3053 |
M |
0 |
|
3053 |
0 |
3607347733508.jpg |
800 |
800 |
N |
1146 |
557 |
product |
3123 |
M |
0 |
|
3123 |
0 |
3614222793496.jpg |
560 |
350 |
N |
1148 |
558 |
product |
3125 |
M |
0 |
|
3125 |
0 |
3614221031452.jpg |
667 |
1000 |
N |
1150 |
559 |
product |
3127 |
M |
0 |
|
3127 |
0 |
3614223298501.jpg |
600 |
420 |
N |
1152 |
560 |
product |
3129 |
M |
0 |
|
3129 |
0 |
3614223245000.jpg |
225 |
225 |
N |
1154 |
561 |
product |
3131 |
M |
0 |
|
3131 |
0 |
3607345969954.jpg |
398 |
425 |
N |
1156 |
562 |
product |
3133 |
M |
0 |
|
3133 |
0 |
3607346596579-2.jpg |
568 |
694 |
N |
1159 |
563 |
product |
3136 |
M |
0 |
|
3136 |
0 |
3607347733584.jpg |
415 |
506 |
N |
1160 |
564 |
product |
3137 |
M |
0 |
|
3137 |
0 |
2_hcvi-9k.jpg |
640 |
626 |
N |
81481 |
515 |
product |
83424 |
M |
0 |
|
83424 |