Query time 0.00182
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "185.61"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "32.00"
},
"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": 32,
"rows_produced_per_join": 32,
"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 ('9623','9639','9640','9641','9642','9643','9647','9656','9659','9660','9661','9662','9663','9664','9665','9675','9676','9677','9678','9679','9686','9687','9688','9689','9690','9691','9692','9696','9697','9698','9699','9700')))",
"cost_info": {
"read_cost": "70.41",
"eval_cost": "6.40",
"prefix_cost": "76.81",
"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": 32,
"filtered": "100.00",
"cost_info": {
"read_cost": "32.00",
"eval_cost": "6.40",
"prefix_cost": "115.21",
"data_read_per_join": "24K"
},
"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": 32,
"filtered": "100.00",
"cost_info": {
"read_cost": "32.00",
"eval_cost": "6.40",
"prefix_cost": "153.61",
"data_read_per_join": "19K"
},
"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 |
|
|
|
|
20447 |
9623 |
product |
22409 |
M |
0 |
|
|
0 |
|
|
|
|
20463 |
9639 |
product |
22425 |
M |
0 |
|
|
0 |
|
|
|
|
20464 |
9640 |
product |
22426 |
M |
0 |
|
|
0 |
|
|
|
|
20465 |
9641 |
product |
22427 |
M |
0 |
|
|
0 |
|
|
|
|
20467 |
9643 |
product |
22429 |
M |
0 |
|
|
0 |
|
|
|
|
20471 |
9647 |
product |
22433 |
M |
0 |
|
|
0 |
|
|
|
|
20480 |
9656 |
product |
22442 |
M |
0 |
|
|
0 |
|
|
|
|
20483 |
9659 |
product |
22445 |
M |
0 |
|
|
0 |
|
|
|
|
20484 |
9660 |
product |
22446 |
M |
0 |
|
|
0 |
|
|
|
|
20485 |
9661 |
product |
22447 |
M |
0 |
|
|
0 |
|
|
|
|
20486 |
9662 |
product |
22448 |
M |
0 |
|
|
0 |
|
|
|
|
20487 |
9663 |
product |
22449 |
M |
0 |
|
|
0 |
|
|
|
|
20488 |
9664 |
product |
22450 |
M |
0 |
|
|
0 |
|
|
|
|
20489 |
9665 |
product |
22451 |
M |
0 |
|
|
0 |
|
|
|
|
20499 |
9675 |
product |
22461 |
M |
0 |
|
|
0 |
|
|
|
|
20500 |
9676 |
product |
22462 |
M |
0 |
|
|
0 |
|
|
|
|
20501 |
9677 |
product |
22463 |
M |
0 |
|
|
0 |
|
|
|
|
20502 |
9678 |
product |
22464 |
M |
0 |
|
|
0 |
|
|
|
|
20503 |
9679 |
product |
22465 |
M |
0 |
|
|
0 |
|
|
|
|
20510 |
9686 |
product |
22472 |
M |
0 |
|
|
0 |
|
|
|
|
20511 |
9687 |
product |
22473 |
M |
0 |
|
|
0 |
|
|
|
|
20512 |
9688 |
product |
22474 |
M |
0 |
|
|
0 |
|
|
|
|
20513 |
9689 |
product |
22475 |
M |
0 |
|
|
0 |
|
|
|
|
20514 |
9690 |
product |
22476 |
M |
0 |
|
|
0 |
|
|
|
|
20515 |
9691 |
product |
22477 |
M |
0 |
|
|
0 |
|
|
|
|
20516 |
9692 |
product |
22478 |
M |
0 |
|
|
0 |
|
|
|
|
20520 |
9696 |
product |
22482 |
M |
0 |
|
|
0 |
|
|
|
|
20521 |
9697 |
product |
22483 |
M |
0 |
|
|
0 |
|
|
|
|
20522 |
9698 |
product |
22484 |
M |
0 |
|
|
0 |
|
|
|
|
20523 |
9699 |
product |
22485 |
M |
0 |
|
|
0 |
|
|
|
|
20524 |
9700 |
product |
22486 |
M |
0 |
|
|
0 |
|
|
|
|
26212 |
9642 |
product |
28174 |
M |
0 |
|
|