Query time 0.00103
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "4.87"
},
"ordering_operation": {
"using_filesort": true,
"grouping_operation": {
"using_temporary_table": true,
"using_filesort": false,
"nested_loop": [
{
"table": {
"table_name": "cscart_product_features_values",
"access_type": "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"
],
"key_length": "6",
"ref": [
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "99.99",
"using_index": true,
"cost_info": {
"read_cost": "1.00",
"eval_cost": "0.20",
"prefix_cost": "1.20",
"data_read_per_join": "791"
},
"used_columns": [
"feature_id",
"product_id",
"variant_id",
"lang_code"
],
"attached_condition": "(`ea201_diorama`.`cscart_product_features_values`.`lang_code` = 'fr')"
}
},
{
"table": {
"table_name": "cscart_product_feature_variants",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"feature_id"
],
"key": "PRIMARY",
"used_key_parts": [
"variant_id"
],
"key_length": "3",
"ref": [
"ea201_diorama.cscart_product_features_values.variant_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "68.66",
"cost_info": {
"read_cost": "1.00",
"eval_cost": "0.14",
"prefix_cost": "2.40",
"data_read_per_join": "801"
},
"used_columns": [
"variant_id",
"feature_id",
"position"
],
"attached_condition": "(`ea201_diorama`.`cscart_product_feature_variants`.`feature_id` = 5)"
}
},
{
"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": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.69",
"eval_cost": "0.14",
"prefix_cost": "3.22",
"data_read_per_join": "302"
},
"used_columns": [
"feature_id",
"feature_type"
]
}
},
{
"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": [
"ea201_diorama.cscart_product_features_values.variant_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.69",
"eval_cost": "0.14",
"prefix_cost": "4.05",
"data_read_per_join": "2K"
},
"used_columns": [
"variant_id",
"variant",
"lang_code"
]
}
},
{
"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": [
"ea201_diorama.cscart_product_features_values.variant_id",
"const",
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.69",
"eval_cost": "0.14",
"prefix_cost": "4.87",
"data_read_per_join": "1K"
},
"used_columns": [
"name",
"object_id",
"type",
"dispatch",
"lang_code",
"company_id",
"path"
],
"attached_condition": "<if>(is_not_null_compl(cscart_seo_names), ((`ea201_diorama`.`cscart_seo_names`.`company_id` = 1) or (`ea201_diorama`.`cscart_seo_names`.`company_id` = 0)), true)"
}
}
]
}
}
}
}
Result
variant |
variant_id |
feature_id |
selected |
feature_type |
seo_name |
seo_path |
Noch |
1 |
5 |
1 |
S |
|
|