Query time 0.00228
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "41.36"
},
"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": 38,
"rows_produced_per_join": 38,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "4.41",
"eval_cost": "3.80",
"prefix_cost": "8.21",
"data_read_per_join": "608"
},
"used_columns": [
"product_id",
"category_id"
],
"attached_condition": "((`dev2`.`pc`.`category_id` = 712) and (`dev2`.`pc`.`product_id` <> 25593))"
}
},
{
"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": 3,
"filtered": "10.00",
"cost_info": {
"read_cost": "9.50",
"eval_cost": "0.38",
"prefix_cost": "21.51",
"data_read_per_join": "28K"
},
"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": 23,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "2.15",
"eval_cost": "2.33",
"prefix_cost": "25.99",
"data_read_per_join": "17K"
},
"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": 23,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "13.04",
"eval_cost": "2.33",
"prefix_cost": "41.36",
"data_read_per_join": "17K"
},
"used_columns": [
"feature_id",
"product_id",
"variant_id",
"lang_code"
]
}
}
]
}
}
}
}
Result
product_id |
matching_features_count |
brand_match |
9184 |
0 |
0 |
14253 |
0 |
0 |
14714 |
0 |
0 |
18006 |
0 |
0 |
20475 |
0 |
0 |