Query time 0.00084
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "136.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "25.00"
},
"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": 25,
"rows_produced_per_join": 25,
"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 ('30880','30881','30882','30883','30884','30885','30886','30887','30888','30889','30890','30891','30892','30893','30894','30895')))",
"cost_info": {
"read_cost": "46.01",
"eval_cost": "5.00",
"prefix_cost": "51.01",
"data_read_per_join": "2K"
},
"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": 25,
"filtered": "100.00",
"cost_info": {
"read_cost": "25.00",
"eval_cost": "5.00",
"prefix_cost": "81.01",
"data_read_per_join": "19K"
},
"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": 25,
"filtered": "100.00",
"cost_info": {
"read_cost": "25.00",
"eval_cost": "5.00",
"prefix_cost": "111.01",
"data_read_per_join": "14K"
},
"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 |
|
|
|
|
48842 |
30881 |
product |
50803 |
M |
0 |
|
|
0 |
|
|
|
|
48845 |
30880 |
product |
50806 |
M |
0 |
|
|
0 |
|
|
|
|
49403 |
30889 |
product |
51364 |
M |
0 |
|
|
0 |
|
|
|
|
49405 |
30888 |
product |
51366 |
M |
0 |
|
|
0 |
|
|
|
|
49407 |
30887 |
product |
51368 |
M |
0 |
|
|
0 |
|
|
|
|
49409 |
30886 |
product |
51370 |
M |
0 |
|
|
0 |
|
|
|
|
49410 |
30885 |
product |
51371 |
M |
0 |
|
|
0 |
|
|
|
|
49413 |
30884 |
product |
51374 |
M |
0 |
|
|
0 |
|
|
|
|
49414 |
30883 |
product |
51375 |
M |
0 |
|
|
0 |
|
|
|
|
49416 |
30882 |
product |
51377 |
M |
0 |
|
|
0 |
|
|
|
|
49581 |
30895 |
product |
51542 |
M |
0 |
|
|
0 |
|
|
|
|
49582 |
30894 |
product |
51543 |
M |
0 |
|
|
0 |
|
|
|
|
49584 |
30893 |
product |
51545 |
M |
0 |
|
|
0 |
|
|
|
|
49588 |
30892 |
product |
51549 |
M |
0 |
|
|
0 |
|
|
|
|
49589 |
30891 |
product |
51550 |
M |
0 |
|
|
0 |
|
|
|
|
49592 |
30890 |
product |
51553 |
M |
0 |
|
|