Query time 0.10035
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "7419.44"
},
"ordering_operation": {
"using_filesort": true,
"grouping_operation": {
"using_temporary_table": true,
"using_filesort": false,
"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",
"company"
]
}
},
{
"table": {
"table_name": "products_categories",
"access_type": "index",
"possible_keys": [
"PRIMARY",
"pt"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id",
"product_id"
],
"key_length": "6",
"rows_examined_per_scan": 15659,
"rows_produced_per_join": 15659,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "140.59",
"eval_cost": "3131.80",
"prefix_cost": "3272.39",
"data_read_per_join": "244K"
},
"used_columns": [
"product_id",
"category_id"
]
}
},
{
"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": 3131,
"filtered": "20.00",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "626.36",
"prefix_cost": "6404.19",
"data_read_per_join": "8M"
},
"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",
"idx_parent_product_id"
],
"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": 277,
"filtered": "8.87",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "55.56",
"prefix_cost": "7030.55",
"data_read_per_join": "1M"
},
"used_columns": [
"product_id",
"product_type",
"status",
"company_id",
"amount",
"timestamp",
"usergroup_ids",
"tracking",
"parent_product_id"
],
"attached_condition": "((`portal`.`products`.`parent_product_id` = 0) and (`portal`.`products`.`company_id` = 115) 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`)) and (`portal`.`products`.`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": 277,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "55.56",
"prefix_cost": "7086.11",
"data_read_per_join": "1M"
},
"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": 277,
"filtered": "99.95",
"using_index": true,
"cost_info": {
"read_cost": "277.78",
"eval_cost": "55.53",
"prefix_cost": "7419.44",
"data_read_per_join": "6K"
},
"used_columns": [
"product_id",
"lower_limit",
"usergroup_id"
],
"attached_condition": "((`portal`.`prices`.`lower_limit` = 1) and (`portal`.`prices`.`usergroup_id` in (0,0,1)))"
}
}
]
}
}
}
}
Result
product_id |
product |
company_name |
product_type |
parent_product_id |
14787 |
Asus ROG Strix B250I Socket 1151 DDR4 S-ATA 600 Mini ITX Gaming Motherboard |
Exborders FZE |
P |
0 |
14788 |
Supermicro 1U 700W Power Supply - Pws-702A-1R |
Exborders FZE |
P |
0 |
14789 |
Apple Macbook A1181 Macbook4,1 MB402LL/A, 2.4GHz Intel Core 2 Duo |
Exborders FZE |
P |
0 |
14790 |
Dell Latitude E6400 14.1in Notebook PC - Intel Core 2 Duo 2.24GHz |
Exborders FZE |
P |
0 |
14791 |
Acer Chromebook CB3-131-C3SZ 11.6-Inch Laptop |
Exborders FZE |
P |
0 |
14792 |
Apple MacBook MJY42LL/A 12-Inch Laptop With Retina Display |
Exborders FZE |
P |
0 |
14793 |
Monoprice, Inc. Asus Chromebook C202Sa-Ys02 11.6" - Intel Celeron N3060 Dual-Core |
Exborders FZE |
P |
0 |
14794 |
Envizen V917G Cosmos 32 GB 9-Inch-Black |
Exborders FZE |
P |
0 |
14795 |
All-New Fire 7 Tablet With Alexa, 7 Display, 8 GB, Canary Yellow |
Exborders FZE |
P |
0 |
14796 |
Seagate Momentus Thin ST320LT020 320 GB 2.5 Internal Hard Drive |
Exborders FZE |
P |
0 |
14797 |
Western Digital WD1600BEVT 160 GB 5400RPM SATA 8 MB 2.5-Inch Notebook Hard Drive |
Exborders FZE |
P |
0 |
14798 |
Drevo X1 Series 60 GB SSD 2.5-Inch Solid State |
Exborders FZE |
P |
0 |
14799 |
Norco Heavy Duty Industrial Standard Rackmount Chassis, RPC-450 |
Exborders FZE |
P |
0 |
14800 |
Patriot 32GB Supersonic Rage Series USB 3.0 Flash Drive |
Exborders FZE |
P |
0 |
14801 |
IMBAPrice 0.5 Ft Cat6 Ethernet Network Patch Cable RJ45 |
Exborders FZE |
P |
0 |
14802 |
3Ft (3 Feet) IEEE-1284 DB25 Parallel Serial Cable UL Certified |
Exborders FZE |
P |
0 |