SELECT 
  SQL_CALC_FOUND_ROWS (
    CASE WHEN products.parent_product_id <> 0 THEN products.parent_product_id ELSE products.product_id END
  ) AS product_id, 
  IF(
    shared_descr.product_id IS NOT NULL, 
    shared_descr.product, descr1.product
  ) as product, 
  companies.company as company_name, 
  GROUP_CONCAT(
    products.product_id 
    ORDER BY 
      products.parent_product_id ASC, 
      products.product_id ASC
  ) AS product_ids, 
  GROUP_CONCAT(
    products.product_type 
    ORDER BY 
      products.parent_product_id ASC, 
      products.product_id ASC
  ) AS product_types, 
  GROUP_CONCAT(
    products.parent_product_id 
    ORDER BY 
      products.parent_product_id ASC, 
      products.product_id ASC
  ) AS parent_product_ids, 
  products.product_type, 
  products.parent_product_id, 
  SUM(cscart_product_sales.amount) as sales_amount 
FROM 
  cscart_products as products 
  LEFT JOIN cscart_product_descriptions as descr1 ON descr1.product_id = products.product_id 
  AND descr1.lang_code = 'kk' 
  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) 
  LEFT JOIN cscart_ult_product_descriptions shared_descr ON shared_descr.product_id = products.product_id 
  AND shared_descr.company_id = 1 
  AND shared_descr.lang_code = 'kk' 
  LEFT JOIN cscart_images_links as img_links ON img_links.object_id = products.product_id 
  AND img_links.object_type = 'product' 
  AND img_links.type = 'M' 
  LEFT JOIN cscart_warehouses_sum_products_amount as war_sum_amount ON war_sum_amount.product_id = products.product_id 
  LEFT JOIN cscart_warehouses_destination_products_amount AS warehouses_destination_products_amount ON warehouses_destination_products_amount.product_id = products.product_id 
  AND warehouses_destination_products_amount.destination_id = 116 
  AND warehouses_destination_products_amount.storefront_id = 1 
  INNER JOIN cscart_product_sales ON cscart_product_sales.product_id = products.product_id 
  AND cscart_product_sales.category_id = products_categories.category_id 
WHERE 
  1 
  AND companies.status IN ('A') 
  AND (
    (
      CASE products.is_stock_split_by_warehouses WHEN 'Y' THEN warehouses_destination_products_amount.amount ELSE products.amount END
    ) > 0 
    OR products.tracking = 'D'
  ) 
  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.company_id != 2 
  AND img_links.pair_id > 0 
  AND cscart_product_sales.amount >= 1 
GROUP BY 
  cscart_product_sales.product_id 
ORDER BY 
  sales_amount desc, 
  products.product_id ASC 
LIMIT 
  0, 12

Query time 0.01530

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "72.41"
    },
    "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": "shared_descr",
                "access_type": "system",
                "possible_keys": [
                  "PRIMARY",
                  "product_id",
                  "company_id"
                ],
                "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": "0.10",
                  "prefix_cost": "0.00",
                  "data_read_per_join": "4K"
                },
                "used_columns": [
                  "product_id",
                  "lang_code",
                  "company_id",
                  "product"
                ]
              }
            },
            {
              "table": {
                "table_name": "companies",
                "access_type": "range",
                "possible_keys": [
                  "PRIMARY"
                ],
                "key": "PRIMARY",
                "used_key_parts": [
                  "company_id"
                ],
                "key_length": "4",
                "rows_examined_per_scan": 2,
                "rows_produced_per_join": 1,
                "filtered": "50.00",
                "index_condition": "(`test_uchur_k`.`companies`.`company_id` <> 2)",
                "cost_info": {
                  "read_cost": "1.31",
                  "eval_cost": "0.10",
                  "prefix_cost": "1.41",
                  "data_read_per_join": "6K"
                },
                "used_columns": [
                  "company_id",
                  "status",
                  "company"
                ],
                "attached_condition": "(`test_uchur_k`.`companies`.`status` = 'A')"
              }
            },
            {
              "table": {
                "table_name": "cscart_product_sales",
                "access_type": "ALL",
                "possible_keys": [
                  "PRIMARY",
                  "pa"
                ],
                "rows_examined_per_scan": 460,
                "rows_produced_per_join": 153,
                "filtered": "33.33",
                "using_join_buffer": "hash join",
                "cost_info": {
                  "read_cost": "31.54",
                  "eval_cost": "15.33",
                  "prefix_cost": "48.28",
                  "data_read_per_join": "2K"
                },
                "used_columns": [
                  "category_id",
                  "product_id",
                  "amount"
                ],
                "attached_condition": "(`test_uchur_k`.`cscart_product_sales`.`amount` >= 1)"
              }
            },
            {
              "table": {
                "table_name": "cscart_categories",
                "access_type": "eq_ref",
                "possible_keys": [
                  "PRIMARY",
                  "c_status",
                  "p_category_id"
                ],
                "key": "PRIMARY",
                "used_key_parts": [
                  "category_id"
                ],
                "key_length": "3",
                "ref": [
                  "test_uchur_k.cscart_product_sales.category_id"
                ],
                "rows_examined_per_scan": 1,
                "rows_produced_per_join": 7,
                "filtered": "5.00",
                "cost_info": {
                  "read_cost": "0.00",
                  "eval_cost": "0.77",
                  "prefix_cost": "63.62",
                  "data_read_per_join": "40K"
                },
                "used_columns": [
                  "category_id",
                  "storefront_id",
                  "usergroup_ids",
                  "status"
                ],
                "attached_condition": "(((`test_uchur_k`.`cscart_categories`.`usergroup_ids` = '') or (0 <> find_in_set(0,`test_uchur_k`.`cscart_categories`.`usergroup_ids`)) or (0 <> find_in_set(1,`test_uchur_k`.`cscart_categories`.`usergroup_ids`))) and (`test_uchur_k`.`cscart_categories`.`status` in ('A','H')) and (`test_uchur_k`.`cscart_categories`.`storefront_id` in (0,1)))"
              }
            },
            {
              "table": {
                "table_name": "products",
                "access_type": "eq_ref",
                "possible_keys": [
                  "PRIMARY",
                  "status"
                ],
                "key": "PRIMARY",
                "used_key_parts": [
                  "product_id"
                ],
                "key_length": "3",
                "ref": [
                  "test_uchur_k.cscart_product_sales.product_id"
                ],
                "rows_examined_per_scan": 1,
                "rows_produced_per_join": 0,
                "filtered": "8.92",
                "cost_info": {
                  "read_cost": "0.00",
                  "eval_cost": "0.07",
                  "prefix_cost": "64.38",
                  "data_read_per_join": "7K"
                },
                "used_columns": [
                  "product_id",
                  "product_type",
                  "status",
                  "company_id",
                  "amount",
                  "usergroup_ids",
                  "tracking",
                  "parent_product_id",
                  "is_stock_split_by_warehouses"
                ],
                "attached_condition": "((`test_uchur_k`.`products`.`company_id` = `test_uchur_k`.`companies`.`company_id`) and ((`test_uchur_k`.`products`.`usergroup_ids` = '') or (0 <> find_in_set(0,`test_uchur_k`.`products`.`usergroup_ids`)) or (0 <> find_in_set(1,`test_uchur_k`.`products`.`usergroup_ids`))) and (`test_uchur_k`.`products`.`status` = 'A'))"
              }
            },
            {
              "table": {
                "table_name": "products_categories",
                "access_type": "eq_ref",
                "possible_keys": [
                  "PRIMARY",
                  "pt"
                ],
                "key": "PRIMARY",
                "used_key_parts": [
                  "category_id",
                  "product_id"
                ],
                "key_length": "6",
                "ref": [
                  "test_uchur_k.cscart_product_sales.category_id",
                  "test_uchur_k.cscart_product_sales.product_id"
                ],
                "rows_examined_per_scan": 1,
                "rows_produced_per_join": 0,
                "filtered": "100.00",
                "using_index": true,
                "cost_info": {
                  "read_cost": "0.00",
                  "eval_cost": "0.07",
                  "prefix_cost": "64.45",
                  "data_read_per_join": "10"
                },
                "used_columns": [
                  "product_id",
                  "category_id"
                ]
              }
            },
            {
              "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": [
                  "test_uchur_k.cscart_product_sales.product_id",
                  "const"
                ],
                "rows_examined_per_scan": 1,
                "rows_produced_per_join": 0,
                "filtered": "100.00",
                "cost_info": {
                  "read_cost": "0.00",
                  "eval_cost": "0.07",
                  "prefix_cost": "64.52",
                  "data_read_per_join": "3K"
                },
                "used_columns": [
                  "product_id",
                  "lang_code",
                  "product"
                ]
              }
            },
            {
              "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": [
                  "test_uchur_k.cscart_product_sales.product_id"
                ],
                "rows_examined_per_scan": 1,
                "rows_produced_per_join": 0,
                "filtered": "75.77",
                "cost_info": {
                  "read_cost": "0.17",
                  "eval_cost": "0.05",
                  "prefix_cost": "64.76",
                  "data_read_per_join": "12"
                },
                "used_columns": [
                  "product_id",
                  "lower_limit",
                  "usergroup_id"
                ],
                "attached_condition": "((`test_uchur_k`.`prices`.`lower_limit` = 1) and (`test_uchur_k`.`prices`.`usergroup_id` in (0,0,1)))"
              }
            },
            {
              "table": {
                "table_name": "img_links",
                "access_type": "ref",
                "possible_keys": [
                  "PRIMARY",
                  "object_id"
                ],
                "key": "object_id",
                "used_key_parts": [
                  "object_id",
                  "object_type",
                  "type"
                ],
                "key_length": "81",
                "ref": [
                  "test_uchur_k.cscart_product_sales.product_id",
                  "const",
                  "const"
                ],
                "rows_examined_per_scan": 4,
                "rows_produced_per_join": 2,
                "filtered": "100.00",
                "index_condition": "(`test_uchur_k`.`img_links`.`object_id` = `test_uchur_k`.`cscart_product_sales`.`product_id`)",
                "cost_info": {
                  "read_cost": "0.52",
                  "eval_cost": "0.21",
                  "prefix_cost": "65.48",
                  "data_read_per_join": "198"
                },
                "used_columns": [
                  "pair_id",
                  "object_id",
                  "object_type",
                  "type"
                ],
                "attached_condition": "(`test_uchur_k`.`img_links`.`pair_id` > 0)"
              }
            },
            {
              "table": {
                "table_name": "war_sum_amount",
                "access_type": "ref",
                "possible_keys": [
                  "PRIMARY"
                ],
                "key": "PRIMARY",
                "used_key_parts": [
                  "product_id"
                ],
                "key_length": "3",
                "ref": [
                  "test_uchur_k.cscart_product_sales.product_id"
                ],
                "rows_examined_per_scan": 15,
                "rows_produced_per_join": 31,
                "filtered": "100.00",
                "using_index": true,
                "cost_info": {
                  "read_cost": "0.71",
                  "eval_cost": "3.11",
                  "prefix_cost": "69.31",
                  "data_read_per_join": "497"
                },
                "used_columns": [
                  "product_id"
                ]
              }
            },
            {
              "table": {
                "table_name": "warehouses_destination_products_amount",
                "access_type": "eq_ref",
                "possible_keys": [
                  "PRIMARY",
                  "idx_storefront_id"
                ],
                "key": "PRIMARY",
                "used_key_parts": [
                  "product_id",
                  "destination_id",
                  "storefront_id"
                ],
                "key_length": "9",
                "ref": [
                  "test_uchur_k.cscart_product_sales.product_id",
                  "const",
                  "const"
                ],
                "rows_examined_per_scan": 1,
                "rows_produced_per_join": 31,
                "filtered": "100.00",
                "cost_info": {
                  "read_cost": "0.00",
                  "eval_cost": "3.11",
                  "prefix_cost": "72.41",
                  "data_read_per_join": "497"
                },
                "used_columns": [
                  "destination_id",
                  "storefront_id",
                  "product_id",
                  "amount"
                ],
                "attached_condition": "<if>(found_match(warehouses_destination_products_amount), (((case `test_uchur_k`.`products`.`is_stock_split_by_warehouses` when 'Y' then `test_uchur_k`.`warehouses_destination_products_amount`.`amount` else `test_uchur_k`.`products`.`amount` end) > 0) or (`test_uchur_k`.`products`.`tracking` = 'D')), true)"
              }
            }
          ]
        }
      }
    }
  }
}