Query time 0.00121
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "1.73"
},
"ordering_operation": {
"using_filesort": false,
"grouping_operation": {
"using_filesort": false,
"nested_loop": [
{
"table": {
"table_name": "products",
"access_type": "const",
"possible_keys": [
"PRIMARY",
"status"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "0.10",
"prefix_cost": "0.00",
"data_read_per_join": "5K"
},
"used_columns": [
"product_id",
"product_type",
"status",
"company_id",
"usergroup_ids",
"parent_product_id",
"master_product_id",
"master_product_status",
"master_product_offers_count"
]
}
},
{
"table": {
"table_name": "descr1",
"access_type": "const",
"possible_keys": [
"PRIMARY",
"product_id"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id",
"lang_code"
],
"key_length": "9",
"ref": [
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "0.10",
"prefix_cost": "0.00",
"data_read_per_join": "4K"
},
"used_columns": [
"product_id",
"lang_code",
"product"
]
}
},
{
"table": {
"table_name": "companies",
"access_type": "const",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"company_id"
],
"key_length": "4",
"ref": [
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "0.10",
"prefix_cost": "0.00",
"data_read_per_join": "6K"
},
"used_columns": [
"company_id",
"status",
"company"
]
}
},
{
"table": {
"table_name": "cscart_supplier_links",
"access_type": "ref",
"possible_keys": [
"object_id"
],
"key": "object_id",
"used_key_parts": [
"object_id",
"object_type"
],
"key_length": "7",
"ref": [
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.25",
"eval_cost": "0.10",
"prefix_cost": "0.35",
"data_read_per_join": "16"
},
"used_columns": [
"supplier_id",
"object_id",
"object_type"
]
}
},
{
"table": {
"table_name": "products_categories",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"pt"
],
"key": "pt",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"const"
],
"rows_examined_per_scan": 2,
"rows_produced_per_join": 2,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "0.35",
"eval_cost": "0.20",
"prefix_cost": "0.90",
"data_read_per_join": "32"
},
"used_columns": [
"product_id",
"category_id"
]
}
},
{
"table": {
"table_name": "cscart_categories",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"c_status",
"p_category_id"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id"
],
"key_length": "3",
"ref": [
"cscart_db.products_categories.category_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "5.00",
"cost_info": {
"read_cost": "0.50",
"eval_cost": "0.01",
"prefix_cost": "1.60",
"data_read_per_join": "286"
},
"used_columns": [
"category_id",
"usergroup_ids",
"status",
"storefront_id"
],
"attached_condition": "(((`cscart_db`.`cscart_categories`.`usergroup_ids` = '') or (0 <> find_in_set(0,`cscart_db`.`cscart_categories`.`usergroup_ids`)) or (0 <> find_in_set(1,`cscart_db`.`cscart_categories`.`usergroup_ids`))) and (`cscart_db`.`cscart_categories`.`status` in ('A','H')) and (`cscart_db`.`cscart_categories`.`storefront_id` in (0,1)))"
}
},
{
"table": {
"table_name": "cscart_product_sales",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"pa"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id",
"product_id"
],
"key_length": "6",
"ref": [
"cscart_db.products_categories.category_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.03",
"eval_cost": "0.01",
"prefix_cost": "1.63",
"data_read_per_join": "1"
},
"used_columns": [
"category_id",
"product_id",
"amount"
]
}
},
{
"table": {
"table_name": "pfv_62",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"fl",
"variant_id",
"product_id",
"fpl",
"idx_product_feature_variant_id"
],
"key": "idx_product_feature_variant_id",
"used_key_parts": [
"product_id",
"feature_id"
],
"key_length": "6",
"ref": [
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "40.00",
"using_index": true,
"cost_info": {
"read_cost": "0.08",
"eval_cost": "0.00",
"prefix_cost": "1.73",
"data_read_per_join": "31"
},
"used_columns": [
"feature_id",
"product_id",
"variant_id"
],
"attached_condition": "(`cscart_db`.`pfv_62`.`variant_id` in (58065,47988,27559,54064))"
}
}
]
}
}
}
}