Query time 0.00098
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "193.61"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "37.00"
},
"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": 37,
"rows_produced_per_join": 37,
"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 ('30271','30272','30273','30274','30275','30276','30277','30278','30279','30280','30281','30282','30283','30284','30285','30286')))",
"cost_info": {
"read_cost": "60.41",
"eval_cost": "7.40",
"prefix_cost": "67.81",
"data_read_per_join": "3K"
},
"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": 37,
"filtered": "100.00",
"cost_info": {
"read_cost": "37.00",
"eval_cost": "7.40",
"prefix_cost": "112.21",
"data_read_per_join": "28K"
},
"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": 37,
"filtered": "100.00",
"cost_info": {
"read_cost": "37.00",
"eval_cost": "7.40",
"prefix_cost": "156.61",
"data_read_per_join": "21K"
},
"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 |
|
|
|
|
49015 |
30286 |
product |
50976 |
M |
0 |
|
|
0 |
|
|
|
|
49016 |
30285 |
product |
50977 |
M |
0 |
|
|
0 |
|
|
|
|
49018 |
30284 |
product |
50979 |
M |
0 |
|
|
0 |
|
|
|
|
49020 |
30283 |
product |
50981 |
M |
0 |
|
|
0 |
|
|
|
|
49022 |
30282 |
product |
50983 |
M |
0 |
|
|
0 |
|
|
|
|
49024 |
30281 |
product |
50985 |
M |
0 |
|
|
0 |
|
|
|
|
49025 |
30280 |
product |
50986 |
M |
0 |
|
|
0 |
|
|
|
|
49027 |
30279 |
product |
50988 |
M |
0 |
|
|
0 |
|
|
|
|
49028 |
30278 |
product |
50989 |
M |
0 |
|
|
0 |
|
|
|
|
49031 |
30277 |
product |
50992 |
M |
0 |
|
|
0 |
|
|
|
|
49033 |
30276 |
product |
50994 |
M |
0 |
|
|
0 |
|
|
|
|
49035 |
30275 |
product |
50996 |
M |
0 |
|
|
0 |
|
|
|
|
49037 |
30274 |
product |
50998 |
M |
0 |
|
|
0 |
|
|
|
|
49038 |
30273 |
product |
50999 |
M |
0 |
|
|
0 |
|
|
|
|
49039 |
30272 |
product |
51000 |
M |
0 |
|
|
0 |
|
|
|
|
49041 |
30271 |
product |
51002 |
M |
0 |
|
|