Query time 0.00095
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "1.02"
},
"ordering_operation": {
"using_filesort": false,
"grouping_operation": {
"using_filesort": false,
"nested_loop": [
{
"table": {
"table_name": "shared_descr",
"access_type": "system",
"possible_keys": [
"PRIMARY",
"product_id",
"company_id"
],
"rows_examined_per_scan": 0,
"rows_produced_per_join": 1,
"filtered": "0.00",
"const_row_not_found": true,
"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",
"company_id",
"product"
]
}
},
{
"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": "10K"
},
"used_columns": [
"product_id",
"product_type",
"status",
"company_id",
"amount",
"usergroup_ids",
"tracking",
"parent_product_id",
"is_stock_split_by_warehouses"
]
}
},
{
"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": "img_links",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"object_id"
],
"key": "object_id",
"used_key_parts": [
"object_id",
"object_type",
"type"
],
"key_length": "81",
"ref": [
"const",
"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": "96"
},
"used_columns": [
"pair_id",
"object_id",
"object_type",
"type"
],
"attached_condition": "(`test_uchur_k`.`img_links`.`pair_id` > 0)"
}
},
{
"table": {
"table_name": "prices",
"access_type": "ref",
"possible_keys": [
"usergroup",
"product_id",
"lower_limit",
"usergroup_id"
],
"key": "product_id",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "8.98",
"cost_info": {
"read_cost": "0.25",
"eval_cost": "0.01",
"prefix_cost": "0.70",
"data_read_per_join": "2"
},
"used_columns": [
"product_id",
"lower_limit",
"usergroup_id"
],
"attached_condition": "((`test_uchur_k`.`prices`.`lower_limit` = 1) and (`test_uchur_k`.`prices`.`usergroup_id` in (0,0,1)) and (`test_uchur_k`.`prices`.`usergroup_id` in (0,0,1)))"
}
},
{
"table": {
"table_name": "war_sum_amount",
"access_type": "ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"const"
],
"rows_examined_per_scan": 2,
"rows_produced_per_join": 0,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "0.02",
"eval_cost": "0.02",
"prefix_cost": "0.74",
"data_read_per_join": "2"
},
"used_columns": [
"product_id"
]
}
},
{
"table": {
"table_name": "warehouses_destination_products_amount",
"access_type": "const",
"possible_keys": [
"PRIMARY",
"idx_storefront_id"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id",
"destination_id",
"storefront_id"
],
"key_length": "9",
"ref": [
"const",
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "0.02",
"prefix_cost": "0.76",
"data_read_per_join": "2"
},
"used_columns": [
"destination_id",
"storefront_id",
"product_id",
"amount"
],
"attached_condition": "<if>(found_match(warehouses_destination_products_amount), (((case 'Y' when 'Y' then `test_uchur_k`.`warehouses_destination_products_amount`.`amount` else '5' end) > 0) or <cache>((NULL = 'D'))), true)"
}
},
{
"table": {
"table_name": "popularity",
"access_type": "const",
"possible_keys": [
"PRIMARY",
"total"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "0.02",
"prefix_cost": "0.78",
"data_read_per_join": "5"
},
"used_columns": [
"product_id",
"total"
]
}
},
{
"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": 3,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.13",
"eval_cost": "0.05",
"prefix_cost": "0.97",
"data_read_per_join": "8"
},
"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": [
"test_uchur_k.products_categories.category_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "5.00",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "0.00",
"prefix_cost": "1.02",
"data_read_per_join": "146"
},
"used_columns": [
"category_id",
"storefront_id",
"usergroup_ids",
"status"
],
"attached_condition": "(((`test_uchur_k`.`cscart_categories`.`usergroup_ids` = '') or (0 <> find_in_set(0,`test_uchur_k`.`cscart_categories`.`usergroup_ids`)) or (0 <> find_in_set(1,`test_uchur_k`.`cscart_categories`.`usergroup_ids`))) and (`test_uchur_k`.`cscart_categories`.`status` in ('A','H')) and (`test_uchur_k`.`cscart_categories`.`storefront_id` in (0,1)))"
}
}
]
}
}
}
}
Result
| product_id |
product |
company_name |
product_type |
parent_product_id |
| 22712 |
Футболка спортивная UCHUR TOTEM ANIMAL WOLF цв. Черный |
UCHUR(Астана) |
P |
0 |