Sandbox

SELECT 
  SQL_CALC_FOUND_ROWS products.product_id, 
  descr1.product as product, 
  companies.company as company_name, 
  MIN(
    IF(
      prices.percentage_discount = 0, 
      prices.price, 
      prices.price - (
        prices.price * prices.percentage_discount
      )/ 100
    )
  ) as price, 
  products.product_type, 
  products.parent_product_id, 
  products.rf_stop_update_price, 
  products.rf_stop_update_amount, 
  products.rf_stop_update_status 
FROM 
  cscart_products as products 
  LEFT JOIN cscart_product_descriptions as descr1 ON descr1.product_id = products.product_id 
  AND descr1.lang_code = 'en' 
  LEFT JOIN cscart_product_prices as prices ON prices.product_id = products.product_id 
  AND prices.lower_limit = 1 
  LEFT JOIN cscart_companies AS companies ON companies.company_id = products.company_id 
  INNER JOIN cscart_products_categories as products_categories ON products_categories.product_id = products.product_id 
  INNER JOIN cscart_categories ON cscart_categories.category_id = products_categories.category_id 
  AND (
    cscart_categories.usergroup_ids = '' 
    OR FIND_IN_SET(
      0, cscart_categories.usergroup_ids
    ) 
    OR FIND_IN_SET(
      1, cscart_categories.usergroup_ids
    )
  ) 
  AND cscart_categories.status IN ('A', 'H') 
  AND cscart_categories.storefront_id IN (0, 1) 
WHERE 
  1 
  AND cscart_categories.category_id IN (7157) 
  AND companies.status IN ('A') 
  AND products.company_id IN (2, 8, 9, 10, 0) 
  AND (
    products.usergroup_ids = '' 
    OR FIND_IN_SET(0, products.usergroup_ids) 
    OR FIND_IN_SET(1, products.usergroup_ids)
  ) 
  AND products.status IN ('A') 
  AND prices.usergroup_id IN (0, 0, 1) 
  AND products.parent_product_id = 0 
  AND products.product_type != 'D' 
GROUP BY 
  products.product_id 
ORDER BY 
  price desc, 
  products.product_id ASC 
LIMIT 
  384, 96

Query time 0.01304

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "432.87"
    },
    "ordering_operation": {
      "using_filesort": true,
      "grouping_operation": {
        "using_temporary_table": true,
        "using_filesort": false,
        "nested_loop": [
          {
            "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": "2K"
              },
              "used_columns": [
                "category_id",
                "usergroup_ids",
                "status",
                "storefront_id"
              ]
            }
          },
          {
            "table": {
              "table_name": "companies",
              "access_type": "range",
              "possible_keys": [
                "PRIMARY"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "company_id"
              ],
              "key_length": "4",
              "rows_examined_per_scan": 5,
              "rows_produced_per_join": 1,
              "filtered": "33.33",
              "cost_info": {
                "read_cost": "2.10",
                "eval_cost": "0.17",
                "prefix_cost": "2.26",
                "data_read_per_join": "10K"
              },
              "used_columns": [
                "company_id",
                "status",
                "company"
              ],
              "attached_condition": "((`nuie_scalesta_net`.`companies`.`status` = 'A') and (`nuie_scalesta_net`.`companies`.`company_id` in (2,8,9,10,0)))"
            }
          },
          {
            "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": 563,
              "rows_produced_per_join": 938,
              "filtered": "100.00",
              "using_index": true,
              "cost_info": {
                "read_cost": "0.76",
                "eval_cost": "93.83",
                "prefix_cost": "96.86",
                "data_read_per_join": "14K"
              },
              "used_columns": [
                "product_id",
                "category_id"
              ]
            }
          },
          {
            "table": {
              "table_name": "products",
              "access_type": "eq_ref",
              "possible_keys": [
                "PRIMARY",
                "age_verification",
                "status",
                "idx_parent_product_id",
                "my_supplier_id",
                "supplier_access_time",
                "products_rf_product_code_index",
                "products_rf_manufacturer_code_index"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "product_id"
              ],
              "key_length": "3",
              "ref": [
                "nuie_scalesta_net.products_categories.product_id"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 46,
              "filtered": "5.00",
              "cost_info": {
                "read_cost": "140.75",
                "eval_cost": "4.69",
                "prefix_cost": "331.44",
                "data_read_per_join": "225K"
              },
              "used_columns": [
                "product_id",
                "product_type",
                "status",
                "company_id",
                "usergroup_ids",
                "parent_product_id",
                "rf_stop_update_price",
                "rf_stop_update_amount",
                "rf_stop_update_status"
              ],
              "attached_condition": "((`nuie_scalesta_net`.`products`.`company_id` = `nuie_scalesta_net`.`companies`.`company_id`) and (`nuie_scalesta_net`.`products`.`parent_product_id` = 0) and ((`nuie_scalesta_net`.`products`.`usergroup_ids` = '') or (0 <> find_in_set(0,`nuie_scalesta_net`.`products`.`usergroup_ids`)) or (0 <> find_in_set(1,`nuie_scalesta_net`.`products`.`usergroup_ids`))) and (`nuie_scalesta_net`.`products`.`status` = 'A') and (`nuie_scalesta_net`.`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": [
                "nuie_scalesta_net.products_categories.product_id",
                "const"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 46,
              "filtered": "100.00",
              "cost_info": {
                "read_cost": "7.04",
                "eval_cost": "4.69",
                "prefix_cost": "343.17",
                "data_read_per_join": "178K"
              },
              "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": [
                "nuie_scalesta_net.products_categories.product_id"
              ],
              "rows_examined_per_scan": 16,
              "rows_produced_per_join": 77,
              "filtered": "9.92",
              "cost_info": {
                "read_cost": "11.94",
                "eval_cost": "7.72",
                "prefix_cost": "432.87",
                "data_read_per_join": "1K"
              },
              "used_columns": [
                "product_id",
                "price",
                "percentage_discount",
                "lower_limit",
                "usergroup_id"
              ],
              "attached_condition": "((`nuie_scalesta_net`.`prices`.`lower_limit` = 1) and (`nuie_scalesta_net`.`prices`.`usergroup_id` in (0,0,1)))"
            }
          }
        ]
      }
    }
  }
}

Result

product_id	product	company_name	product_type	rf_stop_update_price	rf_stop_update_amount	rf_stop_update_status
98177	CMA025BC-M	Roxor	P	N	N	N
98178	CMA025BCO-M	Roxor	P	N	N	N
98179	CMA025BG-M	Roxor	P	N	N	N
98180	CMA025BN-M	Roxor	P	N	N	N
98181	CMA025CO-M	Roxor	P	N	N	N
98182	CMA025G-M	Roxor	P	N	N	N
98183	CMA025N-M	Roxor	P	N	N	N
98184	CMA030-M	Roxor	P	N	N	N
98185	CMA030BC-M	Roxor	P	N	N	N
98186	CMA030BCO-M	Roxor	P	N	N	N
98187	CMA030BG-M	Roxor	P	N	N	N
98188	CMA030BN-M	Roxor	P	N	N	N
98189	CMA030CO-M	Roxor	P	N	N	N
98190	CMA030G-M	Roxor	P	N	N	N
98191	CMA030N-M	Roxor	P	N	N	N
98200	CMA045-M	Roxor	P	N	N	N
98201	CMA045BC-M	Roxor	P	N	N	N
98202	CMA045BCO-M	Roxor	P	N	N	N
98203	CMA045BG-M	Roxor	P	N	N	N
98204	CMA045BN-M	Roxor	P	N	N	N
98205	CMA045CO-M	Roxor	P	N	N	N
98206	CMA045G-M	Roxor	P	N	N	N
98207	CMA045N-M	Roxor	P	N	N	N
98391	CTW905-M	Roxor	P	N	N	N
98392	CTW905BC-M	Roxor	P	N	N	N
98393	CTW905BCO-M	Roxor	P	N	N	N
98394	CTW905BG-M	Roxor	P	N	N	N
98395	CTW905BN-M	Roxor	P	N	N	N
98396	CTW905CO-M	Roxor	P	N	N	N
98397	CTW905G-M	Roxor	P	N	N	N
98398	CTW905N-M	Roxor	P	N	N	N
98399	CTW910-M	Roxor	P	N	N	N
98400	CTW910BC-M	Roxor	P	N	N	N
98401	CTW910BCO-M	Roxor	P	N	N	N
98402	CTW910BG-M	Roxor	P	N	N	N
98403	CTW910BN-M	Roxor	P	N	N	N
98404	CTW910CO-M	Roxor	P	N	N	N
98405	CTW910G-M	Roxor	P	N	N	N
98406	CTW910N-M	Roxor	P	N	N	N
98411	DA311-P	Roxor	P	N	N	N
98412	DA314-P	Roxor	P	N	N	N
98413	DA811-P	Roxor	P	N	N	N
98422	E1527-P	Roxor	P	N	N	N
98427	E309-P	Roxor	P	N	N	N
98429	E315-P	Roxor	P	N	N	N
98433	E324-P	Roxor	P	N	N	N
98435	E327-P	Roxor	P	N	N	N
98439	E345-P	Roxor	P	N	N	N
98440	E347-P	Roxor	P	N	N	N
98441	E348-P	Roxor	P	N	N	N
98443	E357-P	Roxor	P	N	N	N
98447	E396-P	Roxor	P	N	N	N
98451	E427-P	Roxor	P	N	N	N
98453	E727-P	Roxor	P	N	N	N
98456	E827-P	Roxor	P	N	N	N
98476	EA318-P	Roxor	P	N	N	N
98477	EA329-P	Roxor	P	N	N	N
98478	EA333-P	Roxor	P	N	N	N
98479	EA366-P	Roxor	P	N	N	N
98480	EA368-P	Roxor	P	N	N	N
98481	EA381-P	Roxor	P	N	N	N
98483	EA384-P	Roxor	P	N	N	N
98484	EA385-P	Roxor	P	N	N	N
98490	EK308-P	Roxor	P	N	N	N
98492	EK321-P	Roxor	P	N	N	N
98759	LA380-P	Roxor	P	N	N	N
98769	LH302-P	Roxor	P	N	N	N
98770	LH305-P	Roxor	P	N	N	N
98771	LH307-P	Roxor	P	N	N	N
98772	LH311-P	Roxor	P	N	N	N
98897	M1C-P	Roxor	P	N	N	N
99066	NBL001-P	Roxor	P	N	N	N
99508	PDT-000599-P	Roxor	P	N	N	N
99512	PDT-000730-P	Roxor	P	N	N	N
99516	PDT-000734-P	Roxor	P	N	N	N
100480	T1C-P	Roxor	P	N	N	N
100481	T2C-P	Roxor	P	N	N	N
100484	TB001-P	Roxor	P	N	N	N
100485	TB002-P	Roxor	P	N	N	N
100486	TB003-P	Roxor	P	N	N	N
100700	WAS020-P	Roxor	P	N	N	N
100701	WAS020BC-M	Roxor	P	N	N	N
100702	WAS020BCO-M	Roxor	P	N	N	N
100703	WAS020BG-M	Roxor	P	N	N	N
100704	WAS020BN-M	Roxor	P	N	N	N
100705	WAS020CO-M	Roxor	P	N	N	N
100706	WAS020G-M	Roxor	P	N	N	N
100707	WAS020N-M	Roxor	P	N	N	N
100708	WAS030-P	Roxor	P	N	N	N
100709	WAS030BC-M	Roxor	P	N	N	N
100710	WAS030BCO-M	Roxor	P	N	N	N
100711	WAS030BG-M	Roxor	P	N	N	N
100712	WAS030BN-M	Roxor	P	N	N	N
100713	WAS030CO-M	Roxor	P	N	N	N
100714	WAS030G-M	Roxor	P	N	N	N
100715	WAS030N-M	Roxor	P	N	N	N