Query time 0.00313
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "29.76"
},
"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": "0.10",
"prefix_cost": "0.00",
"data_read_per_join": "6K"
},
"used_columns": [
"company_id",
"status",
"company"
]
}
},
{
"table": {
"table_name": "cscart_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": "0.10",
"prefix_cost": "0.00",
"data_read_per_join": "3K"
},
"used_columns": [
"category_id",
"storefront_id",
"usergroup_ids",
"status"
]
}
},
{
"table": {
"table_name": "products_categories",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"pt"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id"
],
"key_length": "3",
"ref": [
"const"
],
"rows_examined_per_scan": 58,
"rows_produced_per_join": 58,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "0.61",
"eval_cost": "5.80",
"prefix_cost": "6.41",
"data_read_per_join": "928"
},
"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": [
"softwarepirmam_hewadelivard_cscart_4.products_categories.product_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 2,
"filtered": "5.00",
"cost_info": {
"read_cost": "14.50",
"eval_cost": "0.29",
"prefix_cost": "26.71",
"data_read_per_join": "12K"
},
"used_columns": [
"product_id",
"product_type",
"status",
"company_id",
"amount",
"usergroup_ids",
"tracking",
"parent_product_id"
],
"attached_condition": "((`softwarepirmam_hewadelivard_cscart_4`.`products`.`parent_product_id` = 0) and (`softwarepirmam_hewadelivard_cscart_4`.`products`.`company_id` = 1) and ((`softwarepirmam_hewadelivard_cscart_4`.`products`.`amount` > 0) or (`softwarepirmam_hewadelivard_cscart_4`.`products`.`tracking` = 'D')) and ((`softwarepirmam_hewadelivard_cscart_4`.`products`.`usergroup_ids` = '') or (0 <> find_in_set(0,`softwarepirmam_hewadelivard_cscart_4`.`products`.`usergroup_ids`)) or (0 <> find_in_set(1,`softwarepirmam_hewadelivard_cscart_4`.`products`.`usergroup_ids`))) and (`softwarepirmam_hewadelivard_cscart_4`.`products`.`status` = 'A') and (`softwarepirmam_hewadelivard_cscart_4`.`products`.`product_type` <> 'D'))"
}
},
{
"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": [
"softwarepirmam_hewadelivard_cscart_4.products_categories.product_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 2,
"filtered": "99.93",
"cost_info": {
"read_cost": "0.73",
"eval_cost": "0.29",
"prefix_cost": "27.72",
"data_read_per_join": "69"
},
"used_columns": [
"product_id",
"lower_limit",
"usergroup_id"
],
"attached_condition": "((`softwarepirmam_hewadelivard_cscart_4`.`prices`.`lower_limit` = 1) and (`softwarepirmam_hewadelivard_cscart_4`.`prices`.`usergroup_id` in (0,0,1)))"
}
},
{
"table": {
"table_name": "popularity",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"total"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"softwarepirmam_hewadelivard_cscart_4.products_categories.product_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 2,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.72",
"eval_cost": "0.29",
"prefix_cost": "28.74",
"data_read_per_join": "92"
},
"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": [
"softwarepirmam_hewadelivard_cscart_4.products_categories.product_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 2,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.74",
"eval_cost": "0.29",
"prefix_cost": "29.76",
"data_read_per_join": "13K"
},
"used_columns": [
"product_id",
"lang_code",
"product"
]
}
}
]
}
}
}
}
Result
| product_id |
product |
company_name |
product_type |
parent_product_id |
| 4080 |
LEGO Harry Potter Ideas Book |
Delivard Store |
P |
0 |
| 4678 |
English for Everyone Course Book Level 1 Beginner: A Complete Self-Study Programme |
Delivard Store |
P |
0 |
| 4391 |
One Piece, Vol. 8: I Won't Die |
Delivard Store |
P |
0 |
| 4695 |
Knowledge Encyclopedia Space! |
Delivard Store |
P |
0 |
| 3993 |
Diary of a Wimpy Kid: Cabin Fever (Book 6) |
Delivard Store |
P |
0 |
| 4325 |
One Piece: East Blue 10-11-12 |
Delivard Store |
P |
0 |
| 4696 |
How to Play Chess |
Delivard Store |
P |
0 |
| 4327 |
Attack on Titan 3 |
Delivard Store |
P |
0 |
| 4329 |
Attack on Titan 5 |
Delivard Store |
P |
0 |
| 4332 |
Harry Potter and the Sorcerer's Stone (Book 1) |
Delivard Store |
P |
0 |
| 4362 |
Harry Potter and The Chamber of Secrets Illustrated Edition |
Delivard Store |
P |
0 |
| 4331 |
Harry Potter and the Goblet of Fire (Book 4) |
Delivard Store |
P |
0 |
| 4328 |
Attack on Titan 4 |
Delivard Store |
P |
0 |
| 4341 |
The Ballad of Songbirds and Snakes (A Hunger Games Novel) |
Delivard Store |
P |
0 |
| 4322 |
One Piece: East Blue 1-2-3 |
Delivard Store |
P |
0 |
| 4365 |
The Battle of the Labyrinth (Percy Jackson and the Olympians, Book 4) |
Delivard Store |
P |
0 |
| 4415 |
Harry Potter and the Half-Blood Prince |
Delivard Store |
P |
0 |
| 4326 |
Attack on Titan 2 |
Delivard Store |
P |
0 |
| 4390 |
One Piece, Vol. 7: The Crap-Geezer |
Delivard Store |
P |
0 |
| 4383 |
The Titan’s Curse (Percy Jackson and the Olympians, Book 3) |
Delivard Store |
P |
0 |
| 4141 |
Attack on Titan 1 |
Delivard Store |
P |
0 |
| 4031 |
Diary of a Wimpy Kid - the Third Wheel (Book 7) |
Delivard Store |
P |
0 |
| 4386 |
One Piece, Vol. 3: Don't Get Fooled Again |
Delivard Store |
P |
0 |
| 4382 |
The Sea of Monsters (Percy Jackson and the Olympians, Book 2) |
Delivard Store |
P |
0 |