Query time 0.00096
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "13.47"
},
"ordering_operation": {
"using_filesort": true,
"grouping_operation": {
"using_temporary_table": true,
"using_filesort": false,
"nested_loop": [
{
"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": "6K"
},
"used_columns": [
"company_id",
"status",
"company"
]
}
},
{
"table": {
"table_name": "cscart_categories",
"access_type": "range",
"possible_keys": [
"PRIMARY",
"c_status",
"p_category_id"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id"
],
"key_length": "3",
"rows_examined_per_scan": 5,
"rows_produced_per_join": 0,
"filtered": "4.00",
"index_condition": "(`atulecarter_atul_demo2`.`cscart_categories`.`category_id` in (196,199,197,198,200))",
"cost_info": {
"read_cost": "11.97",
"eval_cost": "0.04",
"prefix_cost": "12.01",
"data_read_per_join": "534"
},
"used_columns": [
"category_id",
"storefront_id",
"usergroup_ids",
"status"
],
"attached_condition": "(((`atulecarter_atul_demo2`.`cscart_categories`.`usergroup_ids` = '') or find_in_set(0,`atulecarter_atul_demo2`.`cscart_categories`.`usergroup_ids`) or find_in_set(1,`atulecarter_atul_demo2`.`cscart_categories`.`usergroup_ids`)) and (`atulecarter_atul_demo2`.`cscart_categories`.`status` in ('A','H')) and (`atulecarter_atul_demo2`.`cscart_categories`.`storefront_id` in (0,1)))"
}
},
{
"table": {
"table_name": "products_categories",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"pt"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id"
],
"key_length": "3",
"ref": [
"atulecarter_atul_demo2.cscart_categories.category_id"
],
"rows_examined_per_scan": 4,
"rows_produced_per_join": 0,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "0.22",
"eval_cost": "0.16",
"prefix_cost": "12.39",
"data_read_per_join": "12"
},
"used_columns": [
"product_id",
"category_id"
]
}
},
{
"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": [
"atulecarter_atul_demo2.products_categories.product_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "5.00",
"cost_info": {
"read_cost": "0.80",
"eval_cost": "0.01",
"prefix_cost": "13.35",
"data_read_per_join": "180"
},
"used_columns": [
"product_id",
"product_type",
"status",
"company_id",
"usergroup_ids",
"parent_product_id"
],
"attached_condition": "((`atulecarter_atul_demo2`.`products`.`parent_product_id` = 0) and (`atulecarter_atul_demo2`.`products`.`company_id` = 1) and ((`atulecarter_atul_demo2`.`products`.`usergroup_ids` = '') or find_in_set(0,`atulecarter_atul_demo2`.`products`.`usergroup_ids`) or find_in_set(1,`atulecarter_atul_demo2`.`products`.`usergroup_ids`)) and (`atulecarter_atul_demo2`.`products`.`status` = 'A') and (`atulecarter_atul_demo2`.`products`.`product_type` <> 'D'))"
}
},
{
"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": [
"atulecarter_atul_demo2.products_categories.product_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.04",
"eval_cost": "0.01",
"prefix_cost": "13.40",
"data_read_per_join": "186"
},
"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": [
"atulecarter_atul_demo2.products_categories.product_id"
],
"rows_examined_per_scan": 4,
"rows_produced_per_join": 0,
"filtered": "98.24",
"using_index": true,
"cost_info": {
"read_cost": "0.04",
"eval_cost": "0.03",
"prefix_cost": "13.47",
"data_read_per_join": "3"
},
"used_columns": [
"product_id",
"lower_limit",
"usergroup_id"
],
"attached_condition": "((`atulecarter_atul_demo2`.`prices`.`lower_limit` = 1) and (`atulecarter_atul_demo2`.`prices`.`usergroup_id` in (0,0,1)))"
}
}
]
}
}
}
}
Result
| product_id |
product |
company_name |
product_type |
parent_product_id |
| 190 |
AF-S DX NIKKOR 10-24mm f/3.5-4.5G ED |
CS-Cart test |
P |
0 |
| 189 |
AF-S NIKKOR 14-24mm f/2.8G ED |
CS-Cart test |
P |
0 |
| 172 |
Compact Full HD Camcorder |
CS-Cart test |
P |
0 |
| 168 |
D300S (Body Only) |
CS-Cart test |
P |
0 |
| 167 |
D3100 + 18-55 VR Lens Kit |
CS-Cart test |
P |
0 |
| 169 |
D5100 + AF-S DX NIKKOR 18-55mm f/3.5-5.6G VR Lens Kit |
CS-Cart test |
P |
0 |
| 175 |
F50 Flash Memory 52x Zoom Camcorder (Silver) |
CS-Cart test |
P |
0 |
| 246 |
GoPro - Hero3+ Black Edition Camera |
CS-Cart test |
P |
0 |
| 173 |
H300 Long Zoom Compact Full HD Camcorder (Black) |
CS-Cart test |
P |
0 |
| 161 |
MV800 16.1 Megapixel MultiView Compact Digital Camera |
CS-Cart test |
P |
0 |
| 165 |
Nikon 1 J1 One-Lens Kit White |
CS-Cart test |
P |
0 |
| 166 |
Nikon 1 J1 Two-Lens Wide Angle Kit Red |
CS-Cart test |
P |
0 |
| 163 |
NX200 20.3 Megapixel Compact System Camera |
CS-Cart test |
P |
0 |
| 184 |
Samsung 30mm NX Pancake Lens |
CS-Cart test |
P |
0 |
| 183 |
Samsung 50-200mm NX Telephoto OIS Lens |
CS-Cart test |
P |
0 |
| 164 |
WB210 10MB 14 Megapixel Slim Digital Camera (Red) |
CS-Cart test |
P |
0 |