Query time 0.00154
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "202.81"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "36.00"
},
"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": 36,
"rows_produced_per_join": 36,
"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 ('13489','13494','13495','13500','13501','13502','13504','13506','14432','14448','14459','14460','14461','14462','14464','14465','14466','14467','14468','14469','14470','14471','14474','14498','14512','14513','14514','14518','14519','14520')))",
"cost_info": {
"read_cost": "73.21",
"eval_cost": "7.20",
"prefix_cost": "80.41",
"data_read_per_join": "3K"
},
"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.image_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 36,
"filtered": "100.00",
"cost_info": {
"read_cost": "36.00",
"eval_cost": "7.20",
"prefix_cost": "123.61",
"data_read_per_join": "27K"
},
"used_columns": [
"image_id",
"image_path",
"image_x",
"image_y",
"is_high_res"
]
}
},
{
"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": 36,
"filtered": "100.00",
"cost_info": {
"read_cost": "36.00",
"eval_cost": "7.20",
"prefix_cost": "166.81",
"data_read_per_join": "21K"
},
"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 |
|
|
|
|
27383 |
13489 |
product |
29345 |
M |
0 |
|
|
0 |
|
|
|
|
27388 |
13494 |
product |
29350 |
M |
0 |
|
|
0 |
|
|
|
|
27389 |
13495 |
product |
29351 |
M |
0 |
|
|
0 |
|
|
|
|
27394 |
13500 |
product |
29356 |
M |
0 |
|
|
0 |
|
|
|
|
27395 |
13501 |
product |
29357 |
M |
0 |
|
|
0 |
|
|
|
|
27396 |
13502 |
product |
29358 |
M |
0 |
|
|
0 |
|
|
|
|
27398 |
13504 |
product |
29360 |
M |
0 |
|
|
0 |
|
|
|
|
27400 |
13506 |
product |
29362 |
M |
0 |
|
|
0 |
|
|
|
|
28340 |
14432 |
product |
30302 |
M |
0 |
|
|
0 |
|
|
|
|
28356 |
14448 |
product |
30318 |
M |
0 |
|
|
0 |
|
|
|
|
28367 |
14459 |
product |
30329 |
M |
0 |
|
|
0 |
|
|
|
|
28368 |
14460 |
product |
30330 |
M |
0 |
|
|
0 |
|
|
|
|
28369 |
14461 |
product |
30331 |
M |
0 |
|
|
0 |
|
|
|
|
28370 |
14462 |
product |
30332 |
M |
0 |
|
|
0 |
|
|
|
|
28372 |
14464 |
product |
30334 |
M |
0 |
|
|
0 |
|
|
|
|
28373 |
14465 |
product |
30335 |
M |
0 |
|
|
0 |
|
|
|
|
28374 |
14466 |
product |
30336 |
M |
0 |
|
|
0 |
|
|
|
|
28375 |
14467 |
product |
30337 |
M |
0 |
|
|
0 |
|
|
|
|
28376 |
14468 |
product |
30338 |
M |
0 |
|
|
0 |
|
|
|
|
28377 |
14469 |
product |
30339 |
M |
0 |
|
|
0 |
|
|
|
|
28378 |
14470 |
product |
30340 |
M |
0 |
|
|
0 |
|
|
|
|
28379 |
14471 |
product |
30341 |
M |
0 |
|
|
0 |
|
|
|
|
28382 |
14474 |
product |
30344 |
M |
0 |
|
|
0 |
|
|
|
|
28406 |
14498 |
product |
30368 |
M |
0 |
|
|
0 |
|
|
|
|
28420 |
14512 |
product |
30382 |
M |
0 |
|
|
0 |
|
|
|
|
28421 |
14513 |
product |
30383 |
M |
0 |
|
|
0 |
|
|
|
|
28422 |
14514 |
product |
30384 |
M |
0 |
|
|
0 |
|
|
|
|
28426 |
14518 |
product |
30388 |
M |
0 |
|
|
0 |
|
|
|
|
28427 |
14519 |
product |
30389 |
M |
0 |
|
|
0 |
|
|
|
|
28428 |
14520 |
product |
30390 |
M |
0 |
|
|