Query time 0.00056
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "9.98"
},
"ordering_operation": {
"using_temporary_table": true,
"using_filesort": true,
"cost_info": {
"sort_cost": "4.76"
},
"nested_loop": [
{
"table": {
"table_name": "c",
"access_type": "index",
"possible_keys": [
"PRIMARY",
"product_id"
],
"key": "PRIMARY",
"used_key_parts": [
"option_id",
"product_id"
],
"key_length": "6",
"rows_examined_per_scan": 13,
"rows_produced_per_join": 5,
"filtered": "38.46",
"using_index": true,
"cost_info": {
"read_cost": "1.31",
"eval_cost": "0.50",
"prefix_cost": "1.81",
"data_read_per_join": "40"
},
"used_columns": [
"option_id",
"product_id"
],
"attached_condition": "((`marketplace`.`c`.`product_id` in (536,346,525)) and (`marketplace`.`c`.`option_id` is not null))"
}
},
{
"table": {
"table_name": "a",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"c_status"
],
"key": "PRIMARY",
"used_key_parts": [
"option_id"
],
"key_length": "3",
"ref": [
"marketplace.c.option_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 4,
"filtered": "95.24",
"cost_info": {
"read_cost": "1.25",
"eval_cost": "0.48",
"prefix_cost": "3.56",
"data_read_per_join": "10K"
},
"used_columns": [
"option_id",
"product_id",
"company_id",
"option_type",
"regexp",
"required",
"multiupload",
"allowed_extensions",
"max_file_size",
"missing_variants_handling",
"status",
"position",
"value"
],
"attached_condition": "((`marketplace`.`a`.`product_id` = 0) and (`marketplace`.`a`.`status` = 'A'))"
}
},
{
"table": {
"table_name": "b",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"option_id",
"lang_code"
],
"key_length": "9",
"ref": [
"marketplace.c.option_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 4,
"filtered": "100.00",
"cost_info": {
"read_cost": "1.19",
"eval_cost": "0.48",
"prefix_cost": "5.22",
"data_read_per_join": "16K"
},
"used_columns": [
"option_id",
"lang_code",
"option_name",
"internal_option_name",
"option_text",
"description",
"comment",
"inner_hint",
"incorrect_message"
]
}
}
]
}
}
}
Result
| cur_product_id |
option_id |
product_id |
company_id |
option_type |
regexp |
required |
multiupload |
allowed_extensions |
max_file_size |
missing_variants_handling |
status |
position |
value |
option_name |
internal_option_name |
option_text |
description |
inner_hint |
incorrect_message |
comment |
| 525 |
28 |
0 |
1 |
S |
|
N |
N |
|
0 |
M |
A |
10 |
|
Color monĂ³tono |
Color monĂ³tono |
|
|
|
|
|
| 525 |
31 |
0 |
1 |
S |
|
N |
N |
|
0 |
M |
A |
20 |
|
Capacidad de memoria |
Capacidad de memoria |
|
|
|
|
|
| 525 |
33 |
0 |
1 |
C |
|
N |
N |
|
0 |
M |
A |
20 |
|
Nokia 3G |
Nokia 3G |
|
|
|
|
|