Query time 0.00705
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "475.05"
},
"nested_loop": [
{
"table": {
"table_name": "inventory",
"access_type": "system",
"possible_keys": [
"pc"
],
"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": "0.20",
"prefix_cost": "0.00",
"data_read_per_join": "976"
},
"used_columns": [
"product_id",
"amount"
]
}
},
{
"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": "0.20",
"prefix_cost": "0.00",
"data_read_per_join": "5K"
},
"used_columns": [
"company_id",
"status"
]
}
},
{
"table": {
"table_name": "products_categories",
"access_type": "range",
"possible_keys": [
"PRIMARY",
"pt"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id"
],
"key_length": "3",
"rows_examined_per_scan": 668,
"rows_produced_per_join": 668,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "151.28",
"eval_cost": "133.60",
"prefix_cost": "284.88",
"data_read_per_join": "10K"
},
"used_columns": [
"product_id",
"category_id"
],
"attached_condition": "((`portal`.`products_categories`.`category_id` in (249,250,435,436,490,496,500,506,251,492,497,501,507,252,498,502,508,253,499,503,509,254,489,504,255,505,532,256,271,433,434,459,484,533,535,579,595)) and (`portal`.`products_categories`.`product_id` is not null))"
}
},
{
"table": {
"table_name": "q_categories",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"c_status",
"p_category_id"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id"
],
"key_length": "3",
"ref": [
"portal.products_categories.category_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 133,
"filtered": "20.00",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "26.72",
"prefix_cost": "418.49",
"data_read_per_join": "352K"
},
"used_columns": [
"category_id",
"usergroup_ids",
"status"
],
"attached_condition": "(((`portal`.`q_categories`.`usergroup_ids` = '') or find_in_set(0,`portal`.`q_categories`.`usergroup_ids`) or find_in_set(1,`portal`.`q_categories`.`usergroup_ids`)) and (`portal`.`q_categories`.`status` in ('A','H')))"
}
},
{
"table": {
"table_name": "products",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"status"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"portal.products_categories.product_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 12,
"filtered": "9.31",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "2.49",
"prefix_cost": "445.21",
"data_read_per_join": "73K"
},
"used_columns": [
"product_id",
"status",
"company_id",
"amount",
"usergroup_ids",
"tracking"
],
"attached_condition": "((`portal`.`products`.`company_id` = 21) and (`portal`.`products`.`status` = 'A') and (case `portal`.`products`.`tracking` when 'O' then <cache>((NULL > 0)) when 'B' then (`portal`.`products`.`amount` > 0) else 1 end) and ((`portal`.`products`.`usergroup_ids` = '') or find_in_set(0,`portal`.`products`.`usergroup_ids`) or find_in_set(1,`portal`.`products`.`usergroup_ids`)))"
}
},
{
"table": {
"table_name": "q_product_prices",
"access_type": "ref",
"possible_keys": [
"usergroup",
"product_id",
"lower_limit",
"usergroup_id"
],
"key": "usergroup",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"portal.products_categories.product_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 12,
"filtered": "99.95",
"index_condition": "((`portal`.`q_product_prices`.`lower_limit` = 1) and (`portal`.`q_product_prices`.`usergroup_id` in (0,0,1)))",
"cost_info": {
"read_cost": "12.44",
"eval_cost": "2.49",
"prefix_cost": "460.13",
"data_read_per_join": "298"
},
"used_columns": [
"product_id",
"price",
"lower_limit",
"usergroup_id"
]
}
},
{
"table": {
"table_name": "prices_2",
"access_type": "ref",
"possible_keys": [
"usergroup",
"product_id",
"lower_limit",
"usergroup_id"
],
"key": "usergroup",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"portal.products_categories.product_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "10.00",
"not_exists": true,
"cost_info": {
"read_cost": "12.43",
"eval_cost": "0.25",
"prefix_cost": "475.05",
"data_read_per_join": "29"
},
"used_columns": [
"product_id",
"price",
"lower_limit",
"usergroup_id"
],
"attached_condition": "(<if>(found_match(prices_2), isnull(`portal`.`prices_2`.`price`), true) and <if>(is_not_null_compl(prices_2), ((`portal`.`prices_2`.`lower_limit` = 1) and (`portal`.`q_product_prices`.`price` > `portal`.`prices_2`.`price`) and (`portal`.`prices_2`.`usergroup_id` in (0,0,1))), true))"
}
}
]
}
}
Result
min |
max |
27.00 |
3999.00 |