Query time 0.00475
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "75.81"
},
"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": "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": "q_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": "0.20",
"prefix_cost": "0.00",
"data_read_per_join": "2K"
},
"used_columns": [
"category_id",
"usergroup_ids",
"status"
]
}
},
{
"table": {
"table_name": "products_categories",
"access_type": "range",
"possible_keys": [
"PRIMARY",
"pt"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id",
"product_id"
],
"key_length": "6",
"rows_examined_per_scan": 79,
"rows_produced_per_join": 79,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "18.76",
"eval_cost": "15.80",
"prefix_cost": "34.56",
"data_read_per_join": "1K"
},
"used_columns": [
"product_id",
"category_id"
],
"attached_condition": "((`portal`.`products_categories`.`category_id` = 534) and (`portal`.`products_categories`.`product_id` <> 6535))"
}
},
{
"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": 73,
"filtered": "93.11",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "14.71",
"prefix_cost": "50.36",
"data_read_per_join": "433K"
},
"used_columns": [
"product_id",
"product_type",
"status",
"company_id",
"amount",
"timestamp",
"usergroup_ids",
"tracking",
"parent_product_id"
],
"attached_condition": "((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`)) and (`portal`.`products`.`status` = 'A'))"
}
},
{
"table": {
"table_name": "companies",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"company_id"
],
"key_length": "4",
"ref": [
"portal.products.company_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 7,
"filtered": "10.00",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "1.47",
"prefix_cost": "65.07",
"data_read_per_join": "40K"
},
"used_columns": [
"company_id",
"status",
"company"
],
"attached_condition": "(`portal`.`companies`.`status` = 'A')"
}
},
{
"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": [
"portal.products_categories.product_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 7,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "1.47",
"prefix_cost": "66.54",
"data_read_per_join": "28K"
},
"used_columns": [
"product_id",
"lang_code",
"product"
]
}
},
{
"table": {
"table_name": "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": 0,
"filtered": "5.00",
"index_condition": "((`portal`.`prices`.`lower_limit` = 1) and (`portal`.`prices`.`usergroup_id` in (0,0,1)))",
"cost_info": {
"read_cost": "7.36",
"eval_cost": "0.07",
"prefix_cost": "75.37",
"data_read_per_join": "8"
},
"used_columns": [
"product_id",
"price",
"percentage_discount",
"lower_limit",
"usergroup_id"
],
"attached_condition": "((`portal`.`prices`.`price` >= 89.40) and (`portal`.`prices`.`price` <= 208.60))"
}
},
{
"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": 0,
"filtered": "10.00",
"not_exists": true,
"cost_info": {
"read_cost": "0.37",
"eval_cost": "0.01",
"prefix_cost": "75.81",
"data_read_per_join": "0"
},
"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`.`prices_2`.`price` < `portal`.`prices`.`price`) and (`portal`.`prices_2`.`usergroup_id` in (0,0,1))), true))"
}
}
]
}
}
}
}
}
Result
product_id |
product |
company_name |
price |
product_ids |
product_types |
parent_product_ids |
product_type |
parent_product_id |
6536 |
Kenco Premium Car Cover Mini Cooper |
Line Of Purpose |
149.000000 |
6536 |
P |
0 |
P |
0 |
6537 |
Kenco Premium Car Cover Dodge Viper |
Line Of Purpose |
149.000000 |
6537 |
P |
0 |
P |
0 |
6538 |
Kenco Premium Car Cover Dodge Challenger |
Line Of Purpose |
149.000000 |
6538 |
P |
0 |
P |
0 |
6539 |
Kenco Premium Car Cover Dodge Charger |
Line Of Purpose |
149.000000 |
6539 |
P |
0 |
P |
0 |
6540 |
Kenco Premium Car Cover Chrysler 200 |
Line Of Purpose |
149.000000 |
6540 |
P |
0 |
P |
0 |
6541 |
Kenco Premium Car Cover Chrysler 300 |
Line Of Purpose |
149.000000 |
6541 |
P |
0 |
P |
0 |