Query time 0.00137
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "688.25"
},
"ordering_operation": {
"using_filesort": true,
"grouping_operation": {
"using_temporary_table": true,
"using_filesort": false,
"nested_loop": [
{
"table": {
"table_name": "cscart_product_feature_variants",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"feature_id"
],
"key": "feature_id",
"used_key_parts": [
"feature_id"
],
"key_length": "3",
"ref": [
"const"
],
"rows_examined_per_scan": 20,
"rows_produced_per_join": 20,
"filtered": "100.00",
"cost_info": {
"read_cost": "5.00",
"eval_cost": "2.00",
"prefix_cost": "7.00",
"data_read_per_join": "22K"
},
"used_columns": [
"variant_id",
"feature_id",
"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": [
"cscartdb.cscart_product_feature_variants.variant_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 20,
"filtered": "100.00",
"cost_info": {
"read_cost": "5.00",
"eval_cost": "2.00",
"prefix_cost": "14.00",
"data_read_per_join": "60K"
},
"used_columns": [
"variant_id",
"variant",
"lang_code"
]
}
},
{
"table": {
"table_name": "cscart_product_features_values",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"fl",
"variant_id",
"lang_code",
"product_id",
"fpl",
"idx_product_feature_variant_id"
],
"key": "PRIMARY",
"used_key_parts": [
"feature_id",
"product_id",
"variant_id",
"lang_code"
],
"key_length": "15",
"ref": [
"const",
"const",
"cscartdb.cscart_product_feature_variants.variant_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 20,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "5.00",
"eval_cost": "2.00",
"prefix_cost": "21.00",
"data_read_per_join": "15K"
},
"used_columns": [
"feature_id",
"product_id",
"variant_id",
"lang_code"
]
}
},
{
"table": {
"table_name": "cscart_product_features",
"access_type": "const",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"feature_id"
],
"key_length": "3",
"ref": [
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 20,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.25",
"eval_cost": "2.00",
"prefix_cost": "23.25",
"data_read_per_join": "8K"
},
"used_columns": [
"feature_id",
"feature_type"
]
}
},
{
"table": {
"table_name": "cscart_seo_names",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"dispatch"
],
"key": "PRIMARY",
"used_key_parts": [
"object_id",
"type",
"dispatch",
"lang_code"
],
"key_length": "206",
"ref": [
"cscartdb.cscart_product_feature_variants.variant_id",
"const",
"const",
"const"
],
"rows_examined_per_scan": 95,
"rows_produced_per_join": 1900,
"filtered": "100.00",
"cost_info": {
"read_cost": "475.00",
"eval_cost": "190.00",
"prefix_cost": "688.25",
"data_read_per_join": "3M"
},
"used_columns": [
"name",
"object_id",
"type",
"dispatch",
"path",
"lang_code"
]
}
}
]
}
}
}
}
Result
variant |
variant_id |
feature_id |
selected |
feature_type |
seo_name |
seo_path |
Strap on harness/XS |
4692 |
1207 |
4692 |
S |
|
|
Strap on harness/S |
4693 |
1207 |
|
S |
|
|
Strap on harness/M |
4694 |
1207 |
|
S |
|
|
Strap on harness/L |
4695 |
1207 |
|
S |
|
|
Strap on harness/XL |
4696 |
1207 |
|
S |
|
|
Strap on harness/2XL |
4697 |
1207 |
|
S |
|
|
Strap on harness/3XL |
4698 |
1207 |
|
S |
|
|
Chest harness/XS |
4699 |
1207 |
|
S |
|
|
Chest harness/S |
4700 |
1207 |
|
S |
|
|
Chest harness/M |
4701 |
1207 |
|
S |
|
|
Chest harness/L |
4702 |
1207 |
|
S |
|
|
Chest harness/XL |
4703 |
1207 |
|
S |
|
|
Chest harness/2XL |
4704 |
1207 |
|
S |
|
|
Chest harness/3XL |
4705 |
1207 |
|
S |
|
|
Full set/XS |
4706 |
1207 |
|
S |
|
|
Full set/S |
4707 |
1207 |
|
S |
|
|
Full set/M |
4708 |
1207 |
|
S |
|
|
Full set/L |
4709 |
1207 |
|
S |
|
|
Full set/XL |
4710 |
1207 |
|
S |
|
|
Full set/2XL |
4711 |
1207 |
|
S |
|
|
Full set/3XL |
4712 |
1207 |
|
S |
|
|