Query time 0.00124
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "2.91"
},
"ordering_operation": {
"using_filesort": true,
"grouping_operation": {
"using_temporary_table": true,
"using_filesort": false,
"nested_loop": [
{
"table": {
"table_name": "companies",
"access_type": "ALL",
"possible_keys": [
"PRIMARY"
],
"rows_examined_per_scan": 7,
"rows_produced_per_join": 0,
"filtered": "14.29",
"cost_info": {
"read_cost": "1.17",
"eval_cost": "0.10",
"prefix_cost": "1.27",
"data_read_per_join": "6K"
},
"used_columns": [
"company_id",
"status",
"company"
],
"attached_condition": "(`marketplace`.`companies`.`status` = 'A')"
}
},
{
"table": {
"table_name": "products",
"access_type": "range",
"possible_keys": [
"PRIMARY",
"status"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"rows_examined_per_scan": 2,
"rows_produced_per_join": 0,
"filtered": "7.87",
"index_condition": "(`marketplace`.`products`.`product_id` in (223,224))",
"using_join_buffer": "hash join",
"cost_info": {
"read_cost": "1.25",
"eval_cost": "0.02",
"prefix_cost": "2.68",
"data_read_per_join": "687"
},
"used_columns": [
"product_id",
"product_type",
"status",
"company_id",
"usergroup_ids",
"parent_product_id",
"cp_active_auction_id"
],
"attached_condition": "((`marketplace`.`products`.`company_id` = `marketplace`.`companies`.`company_id`) and ((`marketplace`.`products`.`usergroup_ids` = '') or (0 <> find_in_set(0,`marketplace`.`products`.`usergroup_ids`)) or (0 <> find_in_set(1,`marketplace`.`products`.`usergroup_ids`))) and (`marketplace`.`products`.`status` = 'A') and (`marketplace`.`products`.`product_type` <> 'W') and (`marketplace`.`products`.`product_type` <> 'D'))"
}
},
{
"table": {
"table_name": "products_categories",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"pt"
],
"key": "pt",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"marketplace.products.product_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.04",
"eval_cost": "0.02",
"prefix_cost": "2.73",
"data_read_per_join": "2"
},
"used_columns": [
"product_id",
"category_id"
]
}
},
{
"table": {
"table_name": "auctions",
"access_type": "ref",
"possible_keys": [
"product_id"
],
"key": "product_id",
"used_key_parts": [
"product_id"
],
"key_length": "4",
"ref": [
"marketplace.products.product_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"index_condition": "<if>(is_not_null_compl(auctions), (`marketplace`.`products`.`product_id` = `marketplace`.`auctions`.`product_id`), true)",
"cost_info": {
"read_cost": "0.04",
"eval_cost": "0.02",
"prefix_cost": "2.79",
"data_read_per_join": "32"
},
"used_columns": [
"product_id",
"users",
"show_on_category"
]
}
},
{
"table": {
"table_name": "ushop_users",
"access_type": "const",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"user_id"
],
"key_length": "3",
"ref": [
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.04",
"eval_cost": "0.02",
"prefix_cost": "2.84",
"data_read_per_join": "1K"
},
"used_columns": [
"user_id",
"user_type",
"company_id"
],
"attached_condition": "(<if>(found_match(ushop_users), ((0 <> (case when (`marketplace`.`products`.`cp_active_auction_id` > 0) then (((`marketplace`.`auctions`.`users` = '') or (0 <> find_in_set(0,`marketplace`.`auctions`.`users`))) and (`marketplace`.`auctions`.`show_on_category` = 'Y')) else 1 end)) or (`marketplace`.`ushop_users`.`company_id` = `marketplace`.`companies`.`company_id`)), true) and <if>(is_not_null_compl(ushop_users), ((`marketplace`.`ushop_users`.`company_id` = `marketplace`.`companies`.`company_id`) and (`marketplace`.`ushop_users`.`user_type` = 'V')), true))"
}
},
{
"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": [
"marketplace.products.product_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "29.76",
"cost_info": {
"read_cost": "0.04",
"eval_cost": "0.00",
"prefix_cost": "2.90",
"data_read_per_join": "1"
},
"used_columns": [
"product_id",
"lower_limit",
"usergroup_id"
],
"attached_condition": "((`marketplace`.`prices`.`lower_limit` = 1) and (`marketplace`.`prices`.`usergroup_id` in (0,0,1)))"
}
},
{
"table": {
"table_name": "ushop_categories",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"c_status",
"p_category_id"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id"
],
"key_length": "3",
"ref": [
"marketplace.products_categories.category_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "5.00",
"cost_info": {
"read_cost": "0.01",
"eval_cost": "0.00",
"prefix_cost": "2.91",
"data_read_per_join": "7"
},
"used_columns": [
"category_id",
"storefront_id",
"usergroup_ids",
"status"
],
"attached_condition": "(((`marketplace`.`ushop_categories`.`usergroup_ids` = '') or (0 <> find_in_set(0,`marketplace`.`ushop_categories`.`usergroup_ids`)) or (0 <> find_in_set(1,`marketplace`.`ushop_categories`.`usergroup_ids`))) and (`marketplace`.`ushop_categories`.`status` in ('A','H')) and (`marketplace`.`ushop_categories`.`storefront_id` in (0,1)))"
}
},
{
"table": {
"table_name": "popularity",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"total"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"marketplace.products.product_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "0.00",
"prefix_cost": "2.91",
"data_read_per_join": "0"
},
"used_columns": [
"product_id",
"total"
]
}
},
{
"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": [
"marketplace.products.product_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "0.00",
"prefix_cost": "2.91",
"data_read_per_join": "10"
},
"used_columns": [
"product_id",
"lang_code",
"product"
]
}
}
]
}
}
}
}