Query time 0.00062
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "2.10"
},
"ordering_operation": {
"using_filesort": true,
"nested_loop": [
{
"table": {
"table_name": "a",
"access_type": "ref",
"possible_keys": [
"status",
"option_id",
"option_id_2"
],
"key": "option_id",
"used_key_parts": [
"option_id",
"status"
],
"key_length": "6",
"ref": [
"const",
"const"
],
"rows_examined_per_scan": 3,
"rows_produced_per_join": 3,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.75",
"eval_cost": "0.30",
"prefix_cost": "1.05",
"data_read_per_join": "144"
},
"used_columns": [
"variant_id",
"option_id",
"position",
"modifier",
"modifier_type",
"weight_modifier",
"weight_modifier_type",
"point_modifier",
"point_modifier_type",
"status",
"note_required"
]
}
},
{
"table": {
"table_name": "b",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"variant_id",
"lang_code"
],
"key_length": "9",
"ref": [
"cscartdb.a.variant_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 3,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.75",
"eval_cost": "0.30",
"prefix_cost": "2.10",
"data_read_per_join": "2K"
},
"used_columns": [
"variant_id",
"lang_code",
"variant_name"
]
}
}
]
}
}
}
Result
variant_name |
variant_id |
option_id |
position |
modifier |
modifier_type |
weight_modifier |
weight_modifier_type |
point_modifier |
point_modifier_type |
status |
note_required |
30-35cm |
14352 |
509 |
1 |
0.000 |
A |
0.000 |
A |
0.000 |
A |
A |
|
35-40cm |
14353 |
509 |
2 |
0.000 |
A |
0.000 |
A |
0.000 |
A |
A |
|
40-45cm |
14354 |
509 |
3 |
0.000 |
A |
0.000 |
A |
0.000 |
A |
A |
|
45-50cm |
14355 |
509 |
4 |
0.000 |
A |
0.000 |
A |
0.000 |
A |
A |
|