Query time 0.00054
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "39.61"
},
"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": 11,
"rows_produced_per_join": 11,
"filtered": "100.00",
"index_condition": "(`danishecarter_latest`.`cscart_product_feature_variants`.`variant_id` in (69,71,72,89,73,70,54,66,74,45,68))",
"cost_info": {
"read_cost": "24.21",
"eval_cost": "2.20",
"prefix_cost": "26.41",
"data_read_per_join": "29K"
},
"used_columns": [
"variant_id",
"color",
"position"
]
}
},
{
"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": [
"danishecarter_latest.cscart_product_feature_variants.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 |
color |
variant |
45 |
0 |
|
16GB |
71 |
0 |
|
3.7" |
54 |
0 |
|
32GB |
68 |
0 |
|
4.3" |
74 |
0 |
|
4.5" |
70 |
0 |
|
4.7" |
72 |
0 |
|
8GB |
66 |
0 |
|
Android 2.3, Gingerbread |
73 |
0 |
|
Android 4.0, Ice Cream Sandwich |
89 |
0 |
|
Samsung |
69 |
0 |
|
Windows Phone 7.5, Mango |