Query time 0.00045
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "39.61"
},
"nested_loop": [
{
"table": {
"table_name": "pfv",
"access_type": "range",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"variant_id"
],
"key_length": "3",
"rows_examined_per_scan": 11,
"rows_produced_per_join": 11,
"filtered": "100.00",
"index_condition": "(`portal`.`pfv`.`variant_id` in (9801,9802,9803,9804,9805,9865,9864,9900,9863,9902,9866))",
"cost_info": {
"read_cost": "24.21",
"eval_cost": "2.20",
"prefix_cost": "26.41",
"data_read_per_join": "12K"
},
"used_columns": [
"variant_id",
"position"
]
}
},
{
"table": {
"table_name": "pfvd",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"variant_id",
"lang_code"
],
"key_length": "9",
"ref": [
"portal.pfv.variant_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 11,
"filtered": "100.00",
"cost_info": {
"read_cost": "11.00",
"eval_cost": "2.20",
"prefix_cost": "39.61",
"data_read_per_join": "33K"
},
"used_columns": [
"variant_id",
"variant",
"lang_code"
]
}
}
]
}
}
Result
variant_id |
position |
variant |
9801 |
0 |
S |
9802 |
0 |
M |
9803 |
0 |
L |
9804 |
0 |
XL |
9805 |
0 |
XXL |
9863 |
0 |
Yellow |
9864 |
0 |
White |
9865 |
0 |
Black |
9866 |
0 |
Blue |
9900 |
0 |
Green |
9902 |
0 |
Pink |