Query time 0.00117
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "107.21"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "19.00"
},
"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": 19,
"rows_produced_per_join": 19,
"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 ('35121','35120','35119','35118','8738','8734','8731','8724','8723','8722','8701','8700','8699','8698','8697','8696')))",
"cost_info": {
"read_cost": "38.81",
"eval_cost": "3.80",
"prefix_cost": "42.61",
"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": 19,
"filtered": "100.00",
"cost_info": {
"read_cost": "19.00",
"eval_cost": "3.80",
"prefix_cost": "65.41",
"data_read_per_join": "14K"
},
"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": 19,
"filtered": "100.00",
"cost_info": {
"read_cost": "19.00",
"eval_cost": "3.80",
"prefix_cost": "88.21",
"data_read_per_join": "11K"
},
"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 |
|
|
|
|
18214 |
8696 |
product |
20176 |
M |
0 |
|
|
0 |
|
|
|
|
18360 |
8722 |
product |
20322 |
M |
0 |
|
|
0 |
|
|
|
|
18363 |
8723 |
product |
20325 |
M |
0 |
|
|
0 |
|
|
|
|
18365 |
8724 |
product |
20327 |
M |
0 |
|
|
0 |
|
|
|
|
18379 |
8734 |
product |
20341 |
M |
0 |
|
|
0 |
|
|
|
|
18398 |
8698 |
product |
20360 |
M |
0 |
|
|
0 |
|
|
|
|
54586 |
8697 |
product |
56547 |
M |
0 |
|
|
0 |
|
|
|
|
56603 |
35118 |
product |
58564 |
M |
0 |
|
|
0 |
|
|
|
|
56606 |
35119 |
product |
58567 |
M |
0 |
|
|
0 |
|
|
|
|
56610 |
35120 |
product |
58571 |
M |
0 |
|
|
0 |
|
|
|
|
56614 |
35121 |
product |
58575 |
M |
0 |
|
|
0 |
|
|
|
|
59296 |
8700 |
product |
61252 |
M |
0 |
|
|
0 |
|
|
|
|
61933 |
8738 |
product |
63889 |
M |
0 |
|
|
0 |
|
|
|
|
72098 |
8701 |
product |
74049 |
M |
0 |
|
|
0 |
|
|
|
|
82689 |
8731 |
product |
84632 |
M |
0 |
|
|
0 |
|
|
|
|
82962 |
8699 |
product |
84905 |
M |
0 |
|
|