SELECT 
  cscart_products.*, 
  cscart_product_descriptions.*, 
  MIN(
    IF(
      cscart_product_prices.percentage_discount = 0, 
      cscart_product_prices.price, 
      cscart_product_prices.price - (
        cscart_product_prices.price * cscart_product_prices.percentage_discount
      )/ 100
    )
  ) as price, 
  GROUP_CONCAT(
    CASE WHEN (
      cscart_products_categories.link_type = 'M'
    ) THEN CONCAT(
      cscart_products_categories.category_id, 
      'M'
    ) ELSE cscart_products_categories.category_id END 
    ORDER BY 
      cscart_categories.storefront_id IN (0, 1) DESC, 
      (
        cscart_products_categories.link_type = 'M'
      ) DESC, 
      cscart_products_categories.category_position ASC, 
      cscart_products_categories.category_id ASC
  ) as category_ids, 
  popularity.total as popularity, 
  company_descr.i18n_company as company_name, 
  cscart_product_sales.amount as sales_amount, 
  cscart_seo_names.name as seo_name, 
  cscart_seo_names.path as seo_path, 
  MIN(point_prices.point_price) as point_price, 
  cscart_discussion.type as discussion_type, 
  cscart_product_review_prepared_data.average_rating average_rating, 
  cscart_product_review_prepared_data.reviews_count product_reviews_count 
FROM 
  cscart_products 
  LEFT JOIN cscart_product_prices ON cscart_product_prices.product_id = cscart_products.product_id 
  AND cscart_product_prices.lower_limit = 1 
  AND cscart_product_prices.usergroup_id IN (0, 0, 1) 
  LEFT JOIN cscart_product_descriptions ON cscart_product_descriptions.product_id = cscart_products.product_id 
  AND cscart_product_descriptions.lang_code = 'en' 
  LEFT JOIN cscart_company_descriptions as company_descr ON company_descr.company_id = cscart_products.company_id 
  AND company_descr.lang_code = 'en' 
  LEFT JOIN cscart_companies as companies ON companies.company_id = cscart_products.company_id 
  INNER JOIN cscart_products_categories ON cscart_products_categories.product_id = cscart_products.product_id 
  INNER JOIN cscart_categories ON cscart_categories.category_id = cscart_products_categories.category_id 
  AND cscart_categories.storefront_id IN (0, 1) 
  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_products.usergroup_ids = '' 
    OR FIND_IN_SET(
      0, cscart_products.usergroup_ids
    ) 
    OR FIND_IN_SET(
      1, cscart_products.usergroup_ids
    )
  ) 
  AND cscart_categories.status IN ('A', 'H') 
  AND cscart_products.status IN ('A', 'H') 
  LEFT JOIN cscart_product_popularity as popularity ON popularity.product_id = cscart_products.product_id 
  LEFT JOIN cscart_product_sales ON cscart_product_sales.product_id = cscart_products.product_id 
  AND cscart_product_sales.category_id = 193 
  LEFT JOIN cscart_seo_names ON cscart_seo_names.object_id = 10 
  AND cscart_seo_names.type = 'p' 
  AND cscart_seo_names.dispatch = '' 
  AND cscart_seo_names.lang_code = 'en' 
  LEFT JOIN cscart_product_point_prices as point_prices ON point_prices.product_id = cscart_products.product_id 
  AND point_prices.lower_limit = 1 
  AND point_prices.usergroup_id IN (0, 0, 1) 
  LEFT JOIN cscart_discussion ON cscart_discussion.object_id = cscart_products.product_id 
  AND cscart_discussion.object_type = 'P' 
  LEFT JOIN cscart_product_review_prepared_data ON cscart_product_review_prepared_data.product_id = cscart_products.product_id 
  AND cscart_product_review_prepared_data.storefront_id = 0 
WHERE 
  cscart_products.product_id = 10 
  AND (
    companies.status IN ('A') 
    OR cscart_products.company_id = 0
  ) 
GROUP BY 
  cscart_products.product_id

Query time 0.01425

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "13494528182500.48"
    },
    "grouping_operation": {
      "using_filesort": false,
      "nested_loop": [
        {
          "table": {
            "table_name": "point_prices",
            "access_type": "system",
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            "rows_produced_per_join": 1,
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              "usergroup_id"
            ]
          }
        },
        {
          "table": {
            "table_name": "cscart_categories",
            "access_type": "ALL",
            "rows_examined_per_scan": 84,
            "rows_produced_per_join": 3,
            "filtered": "4.00",
            "cost_info": {
              "read_cost": "8.91",
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            },
            "used_columns": [
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            ],
            "attached_condition": "((`mobikul_delivery_boy_livedemo`.`cscart_categories`.`storefront_id` in (0,1)) and ((`mobikul_delivery_boy_livedemo`.`cscart_categories`.`usergroup_ids` = '') or (0 <> find_in_set(0,`mobikul_delivery_boy_livedemo`.`cscart_categories`.`usergroup_ids`)) or (0 <> find_in_set(1,`mobikul_delivery_boy_livedemo`.`cscart_categories`.`usergroup_ids`))) and (`mobikul_delivery_boy_livedemo`.`cscart_categories`.`status` in ('A','H')))"
          }
        },
        {
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            "used_columns": [
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              "link_type",
              "category_position"
            ],
            "attached_condition": "((`mobikul_delivery_boy_livedemo`.`cscart_products_categories`.`category_id` = `mobikul_delivery_boy_livedemo`.`cscart_categories`.`category_id`) and (`mobikul_delivery_boy_livedemo`.`cscart_products_categories`.`product_id` = 10))"
          }
        },
        {
          "table": {
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            "rows_produced_per_join": 44,
            "filtered": "2.00",
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            "cost_info": {
              "read_cost": "29.58",
              "eval_cost": "4.47",
              "prefix_cost": "77.40",
              "data_read_per_join": "196K"
            },
            "used_columns": [
              "product_id",
              "product_code",
              "product_type",
              "status",
              "company_id",
              "list_price",
              "amount",
              "weight",
              "length",
              "width",
              "height",
              "shipping_freight",
              "low_avail_limit",
              "timestamp",
              "updated_timestamp",
              "usergroup_ids",
              "is_edp",
              "edp_shipping",
              "unlimited_download",
              "tracking",
              "free_shipping",
              "zero_price_action",
              "is_pbp",
              "is_op",
              "is_oper",
              "is_returnable",
              "return_period",
              "avail_since",
              "out_of_stock_actions",
              "localization",
              "min_qty",
              "max_qty",
              "qty_step",
              "list_qty_count",
              "tax_ids",
              "age_verification",
              "age_limit",
              "options_type",
              "exceptions_type",
              "details_layout",
              "shipping_params",
              "facebook_obj_type",
              "parent_product_id",
              "buy_now_url",
              "units_in_product",
              "show_price_per_x_units"
            ],
            "attached_condition": "((`mobikul_delivery_boy_livedemo`.`cscart_products`.`product_id` = 10) and ((`mobikul_delivery_boy_livedemo`.`cscart_products`.`usergroup_ids` = '') or (0 <> find_in_set(0,`mobikul_delivery_boy_livedemo`.`cscart_products`.`usergroup_ids`)) or (0 <> find_in_set(1,`mobikul_delivery_boy_livedemo`.`cscart_products`.`usergroup_ids`))) and (`mobikul_delivery_boy_livedemo`.`cscart_products`.`status` in ('A','H')))"
          }
        },
        {
          "table": {
            "table_name": "popularity",
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            "rows_examined_per_scan": 6,
            "rows_produced_per_join": 267,
            "filtered": "100.00",
            "using_join_buffer": "hash join",
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              "eval_cost": "26.80",
              "prefix_cost": "105.16",
              "data_read_per_join": "8K"
            },
            "used_columns": [
              "product_id",
              "total"
            ],
            "attached_condition": "<if>(is_not_null_compl(popularity), (`mobikul_delivery_boy_livedemo`.`popularity`.`product_id` = 10), true)"
          }
        },
        {
          "table": {
            "table_name": "cscart_product_sales",
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            "rows_examined_per_scan": 4,
            "rows_produced_per_join": 1071,
            "filtered": "100.00",
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              "data_read_per_join": "16K"
            },
            "used_columns": [
              "category_id",
              "product_id",
              "amount"
            ],
            "attached_condition": "<if>(is_not_null_compl(cscart_product_sales), ((`mobikul_delivery_boy_livedemo`.`cscart_product_sales`.`category_id` = 193) and (`mobikul_delivery_boy_livedemo`.`cscart_product_sales`.`product_id` = 10)), true)"
          }
        },
        {
          "table": {
            "table_name": "cscart_product_prices",
            "access_type": "ALL",
            "rows_examined_per_scan": 254,
            "rows_produced_per_join": 272270,
            "filtered": "100.00",
            "using_join_buffer": "hash join",
            "cost_info": {
              "read_cost": "18.04",
              "eval_cost": "27227.06",
              "prefix_cost": "27460.69",
              "data_read_per_join": "6M"
            },
            "used_columns": [
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              "price",
              "percentage_discount",
              "lower_limit",
              "usergroup_id"
            ],
            "attached_condition": "<if>(is_not_null_compl(cscart_product_prices), ((`mobikul_delivery_boy_livedemo`.`cscart_product_prices`.`lower_limit` = 1) and (`mobikul_delivery_boy_livedemo`.`cscart_product_prices`.`product_id` = 10) and (`mobikul_delivery_boy_livedemo`.`cscart_product_prices`.`usergroup_id` in (0,0,1))), true)"
          }
        },
        {
          "table": {
            "table_name": "cscart_product_descriptions",
            "access_type": "ALL",
            "rows_examined_per_scan": 248,
            "rows_produced_per_join": 67523114,
            "filtered": "100.00",
            "using_join_buffer": "hash join",
            "cost_info": {
              "read_cost": "148313.20",
              "eval_cost": "6752311.48",
              "prefix_cost": "6928085.36",
              "data_read_per_join": "293G"
            },
            "used_columns": [
              "product_id",
              "lang_code",
              "product",
              "shortname",
              "short_description",
              "full_description",
              "meta_keywords",
              "meta_description",
              "search_words",
              "page_title",
              "age_warning_message",
              "promo_text",
              "unit_name"
            ],
            "attached_condition": "<if>(is_not_null_compl(cscart_product_descriptions), ((`mobikul_delivery_boy_livedemo`.`cscart_product_descriptions`.`product_id` = 10) and (`mobikul_delivery_boy_livedemo`.`cscart_product_descriptions`.`lang_code` = 'en')), true)"
          }
        },
        {
          "table": {
            "table_name": "company_descr",
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            "rows_examined_per_scan": 2,
            "rows_produced_per_join": 135046229,
            "filtered": "100.00",
            "using_join_buffer": "hash join",
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              "eval_cost": "13504622.96",
              "prefix_cost": "22244687.32",
              "data_read_per_join": "221G"
            },
            "used_columns": [
              "company_id",
              "lang_code",
              "i18n_company"
            ],
            "attached_condition": "<if>(is_not_null_compl(company_descr), ((`mobikul_delivery_boy_livedemo`.`company_descr`.`company_id` = `mobikul_delivery_boy_livedemo`.`cscart_products`.`company_id`) and (`mobikul_delivery_boy_livedemo`.`company_descr`.`lang_code` = 'en')), true)"
          }
        },
        {
          "table": {
            "table_name": "companies",
            "access_type": "ALL",
            "rows_examined_per_scan": 2,
            "rows_produced_per_join": 270092459,
            "filtered": "100.00",
            "using_join_buffer": "hash join",
            "cost_info": {
              "read_cost": "3340334.55",
              "eval_cost": "27009245.93",
              "prefix_cost": "52594267.79",
              "data_read_per_join": "1T"
            },
            "used_columns": [
              "company_id",
              "status"
            ],
            "attached_condition": "(<if>(found_match(companies), ((`mobikul_delivery_boy_livedemo`.`companies`.`status` = 'A') or (`mobikul_delivery_boy_livedemo`.`cscart_products`.`company_id` = 0)), true) and <if>(is_not_null_compl(companies), (`mobikul_delivery_boy_livedemo`.`companies`.`company_id` = `mobikul_delivery_boy_livedemo`.`cscart_products`.`company_id`), true))"
          }
        },
        {
          "table": {
            "table_name": "cscart_seo_names",
            "access_type": "ALL",
            "rows_examined_per_scan": 323,
            "rows_produced_per_join": 87239864350,
            "filtered": "100.00",
            "using_join_buffer": "hash join",
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              "read_cost": "18338716.49",
              "eval_cost": "8723986435.01",
              "prefix_cost": "8794919419.29",
              "data_read_per_join": "137T"
            },
            "used_columns": [
              "name",
              "object_id",
              "type",
              "dispatch",
              "path",
              "lang_code"
            ],
            "attached_condition": "<if>(is_not_null_compl(cscart_seo_names), ((`mobikul_delivery_boy_livedemo`.`cscart_seo_names`.`object_id` = 10) and (`mobikul_delivery_boy_livedemo`.`cscart_seo_names`.`type` = 'p') and (`mobikul_delivery_boy_livedemo`.`cscart_seo_names`.`dispatch` = '') and (`mobikul_delivery_boy_livedemo`.`cscart_seo_names`.`lang_code` = 'en')), true)"
          }
        },
        {
          "table": {
            "table_name": "cscart_discussion",
            "access_type": "ALL",
            "rows_examined_per_scan": 29,
            "rows_produced_per_join": 2529956066151,
            "filtered": "100.00",
            "using_join_buffer": "hash join",
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              "eval_cost": "252995606615.15",
              "prefix_cost": "264303143750.20",
              "data_read_per_join": "55T"
            },
            "used_columns": [
              "object_id",
              "object_type",
              "type"
            ],
            "attached_condition": "<if>(is_not_null_compl(cscart_discussion), ((`mobikul_delivery_boy_livedemo`.`cscart_discussion`.`object_id` = 10) and (`mobikul_delivery_boy_livedemo`.`cscart_discussion`.`object_type` = 'P')), true)"
          }
        },
        {
          "table": {
            "table_name": "cscart_product_review_prepared_data",
            "access_type": "ALL",
            "rows_examined_per_scan": 52,
            "rows_produced_per_join": 131557715439879,
            "filtered": "100.00",
            "using_join_buffer": "hash join",
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              "eval_cost": "13155771543987.97",
              "prefix_cost": "13494528182500.47",
              "data_read_per_join": "1P"
            },
            "used_columns": [
              "product_id",
              "storefront_id",
              "average_rating",
              "reviews_count"
            ],
            "attached_condition": "<if>(is_not_null_compl(cscart_product_review_prepared_data), ((`mobikul_delivery_boy_livedemo`.`cscart_product_review_prepared_data`.`storefront_id` = 0) and (`mobikul_delivery_boy_livedemo`.`cscart_product_review_prepared_data`.`product_id` = 10)), true)"
          }
        }
      ]
    }
  }
}