Query time 0.00091
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 ('30864','30865','30866','30867','30868','30869','30870','30871','30872','30873','30874','30875','30876','30877','30878','30879')))",
"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 |
|
|
|
|
48852 |
30879 |
product |
50813 |
M |
0 |
|
|
0 |
|
|
|
|
48867 |
30878 |
product |
50828 |
M |
0 |
|
|
0 |
|
|
|
|
48868 |
30877 |
product |
50829 |
M |
0 |
|
|
0 |
|
|
|
|
48873 |
30876 |
product |
50834 |
M |
0 |
|
|
0 |
|
|
|
|
48877 |
30875 |
product |
50838 |
M |
0 |
|
|
0 |
|
|
|
|
48878 |
30874 |
product |
50839 |
M |
0 |
|
|
0 |
|
|
|
|
48881 |
30872 |
product |
50842 |
M |
0 |
|
|
0 |
|
|
|
|
48883 |
30870 |
product |
50844 |
M |
0 |
|
|
0 |
|
|
|
|
48885 |
30869 |
product |
50846 |
M |
0 |
|
|
0 |
|
|
|
|
48886 |
30868 |
product |
50847 |
M |
0 |
|
|
0 |
|
|
|
|
48888 |
30867 |
product |
50849 |
M |
0 |
|
|
0 |
|
|
|
|
48889 |
30866 |
product |
50850 |
M |
0 |
|
|
0 |
|
|
|
|
48890 |
30865 |
product |
50851 |
M |
0 |
|
|
0 |
|
|
|
|
48891 |
30864 |
product |
50852 |
M |
0 |
|
|
0 |
|
|
|
|
65522 |
30871 |
product |
67473 |
M |
0 |
|
|
0 |
|
|
|
|
48880 |
30873 |
product |
50841 |
M |
1 |
|
|