Query time 0.00078
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "33.16"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "18.00"
},
"nested_loop": [
{
"table": {
"table_name": "a",
"access_type": "range",
"possible_keys": [
"status",
"option_id",
"option_id_2"
],
"key": "option_id",
"used_key_parts": [
"option_id",
"status"
],
"key_length": "6",
"rows_examined_per_scan": 18,
"rows_produced_per_join": 18,
"filtered": "100.00",
"index_condition": "((`cscartdb`.`a`.`option_id` in (1059,1102,1057)) and (`cscartdb`.`a`.`status` = 'A'))",
"cost_info": {
"read_cost": "7.06",
"eval_cost": "1.80",
"prefix_cost": "8.86",
"data_read_per_join": "864"
},
"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": 18,
"filtered": "100.00",
"cost_info": {
"read_cost": "4.50",
"eval_cost": "1.80",
"prefix_cost": "15.16",
"data_read_per_join": "13K"
},
"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 |
Small 1.5" |
19253 |
1059 |
1 |
0.000 |
A |
0.000 |
A |
0.000 |
A |
A |
|
Red |
19257 |
1057 |
1 |
0.000 |
A |
0.000 |
A |
0.000 |
A |
A |
|
Medium |
19279 |
1102 |
1 |
0.000 |
A |
0.000 |
A |
0.000 |
A |
A |
|
Medium 1.75" |
19254 |
1059 |
2 |
0.000 |
A |
0.000 |
A |
0.000 |
A |
A |
|
Black |
19258 |
1057 |
2 |
0.000 |
A |
0.000 |
A |
0.000 |
A |
A |
|
Small |
19280 |
1102 |
2 |
0.000 |
A |
0.000 |
A |
0.000 |
A |
A |
|
Large 2.0" |
19255 |
1059 |
3 |
0.000 |
A |
0.000 |
A |
0.000 |
A |
A |
|
Purple |
19259 |
1057 |
3 |
0.000 |
A |
0.000 |
A |
0.000 |
A |
A |
|
Large |
19281 |
1102 |
3 |
0.000 |
A |
0.000 |
A |
0.000 |
A |
A |
|
X-Large 2.25" |
19256 |
1059 |
4 |
0.000 |
A |
0.000 |
A |
0.000 |
A |
A |
|
Pink |
19260 |
1057 |
4 |
0.000 |
A |
0.000 |
A |
0.000 |
A |
A |
|
White |
19261 |
1057 |
5 |
0.000 |
A |
0.000 |
A |
0.000 |
A |
A |
|
Blue |
19262 |
1057 |
6 |
0.000 |
A |
0.000 |
A |
0.000 |
A |
A |
|