Query time 0.00111
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "92.81"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "16.00"
},
"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": 16,
"rows_produced_per_join": 16,
"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 ('10464','10465','10466','10467','10468','10469','10470','10471','10473','10474','10476','10477','10478','10479','10480','10481')))",
"cost_info": {
"read_cost": "35.21",
"eval_cost": "3.20",
"prefix_cost": "38.41",
"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.image_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 16,
"filtered": "100.00",
"cost_info": {
"read_cost": "16.00",
"eval_cost": "3.20",
"prefix_cost": "57.61",
"data_read_per_join": "12K"
},
"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": 16,
"filtered": "100.00",
"cost_info": {
"read_cost": "16.00",
"eval_cost": "3.20",
"prefix_cost": "76.81",
"data_read_per_join": "9K"
},
"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 |
|
|
|
|
21703 |
10464 |
product |
23665 |
M |
0 |
|
|
0 |
|
|
|
|
21705 |
10465 |
product |
23667 |
M |
0 |
|
|
0 |
|
|
|
|
21706 |
10466 |
product |
23668 |
M |
0 |
|
|
0 |
|
|
|
|
21709 |
10467 |
product |
23671 |
M |
0 |
|
|
0 |
|
|
|
|
21718 |
10470 |
product |
23680 |
M |
0 |
|
|
0 |
|
|
|
|
21723 |
10471 |
product |
23685 |
M |
0 |
|
|
0 |
|
|
|
|
21741 |
10476 |
product |
23703 |
M |
0 |
|
|
0 |
|
|
|
|
21748 |
10478 |
product |
23710 |
M |
0 |
|
|
0 |
|
|
|
|
21752 |
10479 |
product |
23714 |
M |
0 |
|
|
0 |
|
|
|
|
21757 |
10481 |
product |
23719 |
M |
0 |
|
|
0 |
|
|
|
|
26730 |
10473 |
product |
28692 |
M |
0 |
|
|
0 |
|
|
|
|
26779 |
10477 |
product |
28741 |
M |
0 |
|
|
0 |
|
|
|
|
26781 |
10469 |
product |
28743 |
M |
0 |
|
|
0 |
|
|
|
|
26783 |
10468 |
product |
28745 |
M |
0 |
|
|
0 |
|
|
|
|
82420 |
10474 |
product |
84363 |
M |
0 |
|
|
0 |
|
|
|
|
26767 |
10480 |
product |
28729 |
M |
1 |
|
|