Query time 0.00124
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 ('14739','14740','14741','14742','14743','14744','14745','14746','14747','14748','14749','14750','14751','14752','14753','14754')))",
"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 |
411LlXhpJRL.jpg |
500 |
500 |
N |
28647 |
14739 |
product |
30609 |
M |
0 |
|
30609 |
0 |
41mSOTbB6BL.jpg |
500 |
375 |
N |
28648 |
14740 |
product |
30610 |
M |
0 |
|
30610 |
0 |
41CdRd_DO4L.jpg |
500 |
375 |
N |
28649 |
14741 |
product |
30611 |
M |
0 |
|
30611 |
0 |
31xujqLIM0L.jpg |
500 |
375 |
N |
28650 |
14742 |
product |
30612 |
M |
0 |
|
30612 |
0 |
41hgJjnf1VL.jpg |
500 |
327 |
N |
28651 |
14743 |
product |
30613 |
M |
0 |
|
30613 |
0 |
41miU5vbB9L.jpg |
500 |
500 |
N |
28653 |
14745 |
product |
30615 |
M |
0 |
|
30615 |
0 |
31pniiax9-L.jpg |
500 |
500 |
N |
28654 |
14746 |
product |
30616 |
M |
0 |
|
30616 |
0 |
41NtPH7VI8L.jpg |
500 |
500 |
N |
28656 |
14748 |
product |
30618 |
M |
0 |
|
30618 |
0 |
51PQCeNJapL.jpg |
495 |
500 |
N |
28657 |
14749 |
product |
30619 |
M |
0 |
|
30619 |
0 |
4101SwXG02L.jpg |
500 |
500 |
N |
28658 |
14750 |
product |
30620 |
M |
0 |
|
30620 |
0 |
41E1qNhgzmL.jpg |
500 |
500 |
N |
28659 |
14751 |
product |
30621 |
M |
0 |
|
30621 |
0 |
41J7OIb5qML.jpg |
500 |
426 |
N |
28660 |
14752 |
product |
30622 |
M |
0 |
|
30622 |
0 |
41P_OGdY7gL.jpg |
500 |
500 |
N |
28661 |
14753 |
product |
30623 |
M |
0 |
|
30623 |
0 |
31mIQDx3FPL.jpg |
500 |
375 |
N |
28662 |
14754 |
product |
30624 |
M |
0 |
|
30624 |
0 |
61eKIhidOdL._AC_SL1000_.jpg |
1000 |
1000 |
N |
68218 |
14747 |
product |
70169 |
M |
1 |
|
70169 |
0 |
41SeLdEZlTL.jpg |
500 |
500 |
N |
83076 |
14744 |
product |
85019 |
M |
1 |
|
85019 |