Query time 0.00143
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "53.42"
},
"ordering_operation": {
"using_filesort": true,
"grouping_operation": {
"using_temporary_table": true,
"using_filesort": false,
"nested_loop": [
{
"table": {
"table_name": "pc",
"access_type": "range",
"possible_keys": [
"PRIMARY",
"pt",
"idx_pc_product_id_type"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id",
"product_id"
],
"key_length": "6",
"rows_examined_per_scan": 51,
"rows_produced_per_join": 51,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "5.72",
"eval_cost": "5.10",
"prefix_cost": "10.82",
"data_read_per_join": "816"
},
"used_columns": [
"product_id",
"category_id"
],
"attached_condition": "((`dev2`.`pc`.`category_id` = 658) and (`dev2`.`pc`.`product_id` <> 30255))"
}
},
{
"table": {
"table_name": "p",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"age_verification",
"status",
"idx_parent_product_id",
"cscart_products_brand_id_index",
"cscart_products_conditions_index",
"cscart_products_real_company_id_index",
"cscart_products_product_id_index",
"idx_status"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"dev2.pc.product_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 5,
"filtered": "10.00",
"cost_info": {
"read_cost": "12.75",
"eval_cost": "0.51",
"prefix_cost": "28.67",
"data_read_per_join": "38K"
},
"used_columns": [
"product_id",
"status",
"brand_id"
],
"attached_condition": "(`dev2`.`p`.`status` = 'A')"
}
},
{
"table": {
"table_name": "fv",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"fl",
"product_id",
"fpl",
"idx_product_feature_variant_id"
],
"key": "product_id",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"dev2.pc.product_id"
],
"rows_examined_per_scan": 6,
"rows_produced_per_join": 31,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "2.62",
"eval_cost": "3.12",
"prefix_cost": "34.42",
"data_read_per_join": "24K"
},
"used_columns": [
"feature_id",
"product_id",
"variant_id",
"lang_code"
],
"attached_condition": "<if>(is_not_null_compl(fv), (`dev2`.`fv`.`feature_id` in (744,737,741,805,807,747,796,775)), true)"
}
},
{
"table": {
"table_name": "fv_current",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"fl",
"variant_id",
"product_id",
"fpl",
"idx_product_feature_variant_id"
],
"key": "product_id",
"used_key_parts": [
"product_id",
"feature_id",
"variant_id"
],
"key_length": "9",
"ref": [
"const",
"dev2.fv.feature_id",
"dev2.fv.variant_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 31,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "15.88",
"eval_cost": "3.12",
"prefix_cost": "53.42",
"data_read_per_join": "24K"
},
"used_columns": [
"feature_id",
"product_id",
"variant_id",
"lang_code"
]
}
}
]
}
}
}
}
Result
product_id |
matching_features_count |
brand_match |
8858 |
0 |
0 |
8861 |
0 |
0 |
8864 |
0 |
0 |
8934 |
0 |
0 |
8935 |
0 |
0 |