Query time 0.00093
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "15.62"
},
"ordering_operation": {
"using_temporary_table": true,
"using_filesort": true,
"nested_loop": [
{
"table": {
"table_name": "cscart_product_feature_variants",
"access_type": "range",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"variant_id"
],
"key_length": "3",
"rows_examined_per_scan": 6,
"rows_produced_per_join": 6,
"filtered": "100.00",
"cost_info": {
"read_cost": "7.22",
"eval_cost": "1.20",
"prefix_cost": "8.42",
"data_read_per_join": "6K"
},
"used_columns": [
"variant_id",
"color",
"position"
],
"attached_condition": "(`webmarco`.`cscart_product_feature_variants`.`variant_id` in (1193,1542,7132,1195,1194,1197))"
}
},
{
"table": {
"table_name": "cscart_product_feature_variant_descriptions",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"variant_id",
"lang_code"
],
"key_length": "9",
"ref": [
"webmarco.cscart_product_feature_variants.variant_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 6,
"filtered": "100.00",
"cost_info": {
"read_cost": "6.00",
"eval_cost": "1.20",
"prefix_cost": "15.62",
"data_read_per_join": "27K"
},
"used_columns": [
"variant_id",
"variant",
"lang_code"
]
}
}
]
}
}
}
Result
variant_id |
position |
color |
variant |
7132 |
0 |
|
Male |
1542 |
0 |
|
New |
1193 |
0 |
#ffffff |
S |
1195 |
20 |
|
M |
1194 |
30 |
|
L |
1197 |
50 |
|
XL |