Query time 0.00187
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "3.28"
},
"ordering_operation": {
"using_filesort": true,
"grouping_operation": {
"using_temporary_table": true,
"using_filesort": true,
"buffer_result": {
"using_temporary_table": true,
"nested_loop": [
{
"table": {
"table_name": "war_sum_amount",
"access_type": "system",
"possible_keys": [
"PRIMARY"
],
"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": "16"
},
"used_columns": [
"product_id"
]
}
},
{
"table": {
"table_name": "master_products_storefront_offers_count",
"access_type": "system",
"possible_keys": [
"PRIMARY",
"idx_storefront_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": "16"
},
"used_columns": [
"storefront_id",
"product_id",
"count"
]
}
},
{
"table": {
"table_name": "cscart_master_products_storefront_min_price",
"access_type": "system",
"possible_keys": [
"PRIMARY"
],
"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": "16"
},
"used_columns": [
"storefront_id",
"product_id",
"price"
]
}
},
{
"table": {
"table_name": "cscart_categories",
"access_type": "const",
"possible_keys": [
"PRIMARY",
"c_status",
"p_category_id"
],
"key": "PRIMARY",
"used_key_parts": [
"category_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": "3K"
},
"used_columns": [
"category_id",
"usergroup_ids",
"status",
"age_verification",
"age_limit",
"parent_age_verification",
"parent_age_limit",
"storefront_id"
]
}
},
{
"table": {
"table_name": "products_categories",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"pt"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id"
],
"key_length": "3",
"ref": [
"const"
],
"rows_examined_per_scan": 13,
"rows_produced_per_join": 13,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "0.33",
"eval_cost": "1.30",
"prefix_cost": "1.62",
"data_read_per_join": "208"
},
"used_columns": [
"product_id",
"category_id"
]
}
},
{
"table": {
"table_name": "products",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"status",
"idx_master_product_id"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"s2cart.products_categories.product_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "5.00",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "0.07",
"prefix_cost": "2.92",
"data_read_per_join": "4K"
},
"used_columns": [
"product_id",
"product_type",
"status",
"company_id",
"usergroup_ids",
"age_verification",
"age_limit",
"parent_product_id",
"master_product_id",
"master_product_status",
"master_product_offers_count"
],
"attached_condition": "((`s2cart`.`products`.`master_product_id` = 0) and (`s2cart`.`products`.`company_id` in (137,138,146,0)) and ((`s2cart`.`products`.`usergroup_ids` = '') or (0 <> find_in_set(0,`s2cart`.`products`.`usergroup_ids`)) or (0 <> find_in_set(1,`s2cart`.`products`.`usergroup_ids`))) and (`s2cart`.`products`.`status` = 'A') and (`s2cart`.`products`.`master_product_status` = 'A') and ((`s2cart`.`products`.`company_id` > 0) or <cache>((NULL > 0))) and (`s2cart`.`products`.`product_type` <> 'D'))"
}
},
{
"table": {
"table_name": "companies",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"company_id"
],
"key_length": "4",
"ref": [
"s2cart.products.company_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "0.07",
"prefix_cost": "2.99",
"data_read_per_join": "6K"
},
"used_columns": [
"company_id",
"status",
"company"
],
"attached_condition": "<if>(found_match(companies), ((`s2cart`.`companies`.`status` in ('A','S')) or (`s2cart`.`products`.`company_id` = 0)), true)"
}
},
{
"table": {
"table_name": "descr1",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"product_id"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id",
"lang_code"
],
"key_length": "9",
"ref": [
"s2cart.products_categories.product_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "0.07",
"prefix_cost": "3.06",
"data_read_per_join": "4K"
},
"used_columns": [
"product_id",
"lang_code",
"product"
]
}
},
{
"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": [
"s2cart.products_categories.product_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.16",
"eval_cost": "0.06",
"prefix_cost": "3.28",
"data_read_per_join": "15"
},
"used_columns": [
"product_id",
"price",
"percentage_discount",
"lower_limit",
"usergroup_id"
],
"attached_condition": "((`s2cart`.`prices`.`lower_limit` = 1) and (`s2cart`.`prices`.`usergroup_id` in (0,0,1)))"
}
}
]
}
}
}
}
}