Query time 0.00158
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 ('14481','14483','14484','14485','14486','14487','14488','14489','14490','14491','14492','14493','14494','14495','14496','14497')))",
"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 |
5105DS7pDfL.jpg |
400 |
500 |
N |
28389 |
14481 |
product |
30351 |
M |
0 |
|
30351 |
0 |
51jRv4BY26L.jpg |
392 |
500 |
N |
28391 |
14483 |
product |
30353 |
M |
0 |
|
30353 |
0 |
41d7azwX-8L.jpg |
500 |
500 |
N |
28392 |
14484 |
product |
30354 |
M |
0 |
|
30354 |
0 |
31o2lWrfm5L.jpg |
500 |
281 |
N |
28393 |
14485 |
product |
30355 |
M |
0 |
|
30355 |
0 |
51nuCvB7bjL.jpg |
500 |
500 |
N |
28394 |
14486 |
product |
30356 |
M |
0 |
|
30356 |
0 |
31mDnArK8dL.jpg |
500 |
375 |
N |
28395 |
14487 |
product |
30357 |
M |
0 |
|
30357 |
0 |
51bTUnxuRJL.jpg |
500 |
375 |
N |
28396 |
14488 |
product |
30358 |
M |
0 |
|
30358 |
0 |
41FRs35oV5L.jpg |
500 |
500 |
N |
28397 |
14489 |
product |
30359 |
M |
0 |
|
30359 |
0 |
31rZfG7luGL.jpg |
500 |
375 |
N |
28398 |
14490 |
product |
30360 |
M |
0 |
|
30360 |
0 |
41HD63X9fpL.jpg |
500 |
500 |
N |
28399 |
14491 |
product |
30361 |
M |
0 |
|
30361 |
0 |
41wJj4PvsgL.jpg |
500 |
500 |
N |
28400 |
14492 |
product |
30362 |
M |
0 |
|
30362 |
0 |
51gbFC5ao_L.jpg |
500 |
408 |
N |
28401 |
14493 |
product |
30363 |
M |
0 |
|
30363 |
0 |
31hBtM2BKoL.jpg |
500 |
375 |
N |
28402 |
14494 |
product |
30364 |
M |
0 |
|
30364 |
0 |
51X9kRKnhKL.jpg |
320 |
500 |
N |
28403 |
14495 |
product |
30365 |
M |
0 |
|
30365 |
0 |
41Z5ArHJx-L.jpg |
500 |
500 |
N |
28404 |
14496 |
product |
30366 |
M |
0 |
|
30366 |
0 |
313JjMGz2BL.jpg |
500 |
375 |
N |
28405 |
14497 |
product |
30367 |
M |
0 |
|
30367 |