Query time 0.00108
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "7.43"
},
"ordering_operation": {
"using_temporary_table": true,
"using_filesort": true,
"cost_info": {
"sort_cost": "0.10"
},
"nested_loop": [
{
"table": {
"table_name": "c",
"access_type": "range",
"possible_keys": [
"PRIMARY",
"product_id"
],
"key": "product_id",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"rows_examined_per_scan": 2,
"rows_produced_per_join": 2,
"filtered": "100.00",
"index_condition": "(`eshopuga_upgr_4122`.`c`.`product_id` in (1927,1937))",
"cost_info": {
"read_cost": "4.41",
"eval_cost": "0.40",
"prefix_cost": "4.81",
"data_read_per_join": "16"
},
"used_columns": [
"option_id",
"product_id"
],
"attached_condition": "(`eshopuga_upgr_4122`.`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": [
"eshopuga_upgr_4122.c.option_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "5.00",
"cost_info": {
"read_cost": "2.00",
"eval_cost": "0.02",
"prefix_cost": "7.21",
"data_read_per_join": "234"
},
"used_columns": [
"option_id",
"product_id",
"company_id",
"option_type",
"inventory",
"regexp",
"required",
"multiupload",
"allowed_extensions",
"max_file_size",
"missing_variants_handling",
"status",
"position",
"value"
],
"attached_condition": "((`eshopuga_upgr_4122`.`a`.`product_id` = 0) and (`eshopuga_upgr_4122`.`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": [
"eshopuga_upgr_4122.c.option_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.10",
"eval_cost": "0.02",
"prefix_cost": "7.33",
"data_read_per_join": "348"
},
"used_columns": [
"option_id",
"lang_code",
"option_name",
"option_text",
"description",
"comment",
"inner_hint",
"incorrect_message",
"internal_option_name"
]
}
}
]
}
}
}
Result
cur_product_id |
option_id |
product_id |
company_id |
option_type |
inventory |
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 |
1927 |
332 |
0 |
1 |
C |
N |
|
N |
N |
|
0 |
M |
A |
1 |
|
Gift Bag |
Gift Bag |
|
|
|
|
|
1937 |
332 |
0 |
1 |
C |
N |
|
N |
N |
|
0 |
M |
A |
1 |
|
Gift Bag |
Gift Bag |
|
|
|
|
|