SELECT 
  shop_policies.*, 
  return_policy_descriptions.policy AS return_policy, 
  company_descriptions.*, 
  companies.*, 
  cscart_vendor_plan_descriptions.plan, 
  cscart_seo_names.name as seo_name, 
  cscart_seo_names.path as seo_path, 
  AVG(
    cscart_discussion_rating.rating_value
  ) AS average_rating, 
  CONCAT(
    companies.company_id, 
    '_', 
    IF (
      cscart_discussion_rating.thread_id, 
      cscart_discussion_rating.thread_id, 
      '0'
    )
  ) AS company_thread_ids 
FROM 
  cscart_companies AS companies 
  LEFT JOIN cscart_company_descriptions AS company_descriptions ON company_descriptions.company_id = companies.company_id 
  AND company_descriptions.lang_code = 'en' 
  LEFT JOIN cscart_vendor_plan_descriptions ON companies.plan_id = cscart_vendor_plan_descriptions.plan_id 
  AND cscart_vendor_plan_descriptions.lang_code = 'en' 
  LEFT JOIN cscart_seo_names ON cscart_seo_names.object_id = 52 
  AND cscart_seo_names.type = 'm' 
  AND cscart_seo_names.dispatch = '' 
  AND cscart_seo_names.lang_code = 'en' 
  LEFT JOIN cscart_discussion ON cscart_discussion.object_id = companies.company_id 
  AND cscart_discussion.object_type = 'M' 
  LEFT JOIN cscart_discussion_posts ON cscart_discussion_posts.thread_id = cscart_discussion.thread_id 
  AND cscart_discussion_posts.status = 'A' 
  LEFT JOIN cscart_discussion_rating ON cscart_discussion.thread_id = cscart_discussion_rating.thread_id 
  AND cscart_discussion_rating.post_id = cscart_discussion_posts.post_id 
  LEFT JOIN cscart_return_policies AS return_policies ON return_policies.object_id = companies.company_id 
  AND return_policies.object_type = 'company' 
  LEFT JOIN cscart_return_policy_descriptions AS return_policy_descriptions ON return_policy_descriptions.policy_id = return_policies.policy_id 
  AND return_policy_descriptions.lang_code = 'en' 
  LEFT JOIN cscart_shop_policies AS shop_policies ON shop_policies.company_id = companies.company_id 
  AND shop_policies.lang_code = 'en' 
WHERE 
  companies.company_id = 52

Query time 0.00110

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "1.00"
    },
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_discussion_posts",
          "access_type": "system",
          "possible_keys": [
            "thread_id",
            "thread_id_2"
          ],
          "rows_examined_per_scan": 0,
          "rows_produced_per_join": 1,
          "filtered": "0.00",
          "const_row_not_found": true,
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          "used_columns": [
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          ]
        }
      },
      {
        "table": {
          "table_name": "cscart_discussion_rating",
          "access_type": "system",
          "possible_keys": [
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          ],
          "rows_examined_per_scan": 0,
          "rows_produced_per_join": 1,
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          "const_row_not_found": true,
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          "used_columns": [
            "rating_value",
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            "thread_id"
          ]
        }
      },
      {
        "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": "15K"
          },
          "used_columns": [
            "company_id",
            "status",
            "company",
            "lang_code",
            "address",
            "city",
            "state",
            "country",
            "zipcode",
            "email",
            "phone",
            "url",
            "storefront",
            "secure_storefront",
            "entry_page",
            "redirect_customer",
            "countries_list",
            "timestamp",
            "shippings",
            "logos",
            "request_user_id",
            "request_account_name",
            "request_account_data",
            "tax_number",
            "registered_from_storefront_id",
            "plan_id",
            "pre_moderation",
            "pre_moderation_edit",
            "pre_moderation_edit_vendors",
            "suspend_date",
            "grace_period_start",
            "last_time_suspended",
            "last_debt_notification_time",
            "paypal_commerce_platform_account_id",
            "discreet_shipping",
            "shipstation_enabled",
            "shipstation_fulfillment",
            "shipstation_api_key",
            "shipstation_api_secret",
            "shipstation_api_connected",
            "shipstation_webhook_id",
            "shipstation_store_id",
            "shipstation_warehouse_name",
            "shipstation_warehouse_street1",
            "shipstation_warehouse_street2",
            "shipstation_warehouse_street3",
            "shipstation_warehouse_country",
            "shipstation_warehouse_state",
            "shipstation_warehouse_city",
            "shipstation_warehouse_postal_code",
            "shipstation_warehouse_phone",
            "shipstation_warehouse_residential",
            "shipstation_warehouse_id",
            "shipengine_enabled",
            "shipengine_api_key",
            "shipengine_api_connected",
            "shipengine_webhook_id",
            "shipengine_account_id",
            "shipengine_external_account_id",
            "shipengine_api_key_id",
            "discreet_shipping_shop_name",
            "vacation_mode",
            "vacation_start_date",
            "vacation_end_date",
            "tagline",
            "shopify_token",
            "shopify_link_app",
            "shopify_api_key",
            "shopify_api_secret",
            "stripe_connect_account_id",
            "stripe_connect_account_type",
            "chitchats_enabled",
            "chitchats_client_id",
            "chitchats_api_key",
            "royal_mail_enabled",
            "royal_mail_api_key"
          ]
        }
      },
      {
        "table": {
          "table_name": "company_descriptions",
          "access_type": "const",
          "possible_keys": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "company_id",
            "lang_code"
          ],
          "key_length": "10",
          "ref": [
            "const",
            "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": "1K"
          },
          "used_columns": [
            "company_id",
            "lang_code",
            "company_description",
            "terms",
            "i18n_company",
            "i18n_address",
            "i18n_city"
          ]
        }
      },
      {
        "table": {
          "table_name": "cscart_vendor_plan_descriptions",
          "access_type": "const",
          "possible_keys": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "plan_id",
            "lang_code"
          ],
          "key_length": "10",
          "ref": [
            "const",
            "const"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
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          "cost_info": {
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            "prefix_cost": "0.00",
            "data_read_per_join": "792"
          },
          "used_columns": [
            "plan_id",
            "lang_code",
            "plan"
          ]
        }
      },
      {
        "table": {
          "table_name": "cscart_seo_names",
          "access_type": "ref",
          "possible_keys": [
            "PRIMARY",
            "dispatch"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "object_id",
            "type",
            "dispatch",
            "lang_code"
          ],
          "key_length": "206",
          "ref": [
            "const",
            "const",
            "const",
            "const"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "0.25",
            "eval_cost": "0.10",
            "prefix_cost": "0.35",
            "data_read_per_join": "1K"
          },
          "used_columns": [
            "name",
            "object_id",
            "type",
            "dispatch",
            "path",
            "lang_code"
          ]
        }
      },
      {
        "table": {
          "table_name": "cscart_discussion",
          "access_type": "const",
          "possible_keys": [
            "object_id"
          ],
          "key": "object_id",
          "used_key_parts": [
            "object_id",
            "object_type"
          ],
          "key_length": "6",
          "ref": [
            "const",
            "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": "0.45",
            "data_read_per_join": "24"
          },
          "used_columns": [
            "thread_id",
            "object_id",
            "object_type"
          ]
        }
      },
      {
        "table": {
          "table_name": "return_policies",
          "access_type": "ref",
          "possible_keys": [
            "object_type"
          ],
          "key": "object_type",
          "used_key_parts": [
            "object_type",
            "object_id"
          ],
          "key_length": "95",
          "ref": [
            "const",
            "const"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "0.25",
            "eval_cost": "0.10",
            "prefix_cost": "0.80",
            "data_read_per_join": "112"
          },
          "used_columns": [
            "policy_id",
            "object_type",
            "object_id"
          ]
        }
      },
      {
        "table": {
          "table_name": "return_policy_descriptions",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "policy_id",
            "lang_code"
          ],
          "key_length": "9",
          "ref": [
            "cscartdb.return_policies.policy_id",
            "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": "0.90",
            "data_read_per_join": "24"
          },
          "used_columns": [
            "policy_id",
            "policy",
            "lang_code"
          ]
        }
      },
      {
        "table": {
          "table_name": "shop_policies",
          "access_type": "const",
          "possible_keys": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "company_id",
            "lang_code"
          ],
          "key_length": "10",
          "ref": [
            "const",
            "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": "1.00",
            "data_read_per_join": "24"
          },
          "used_columns": [
            "company_id",
            "lang_code",
            "shop_policies"
          ]
        }
      }
    ]
  }
}

Result

company_id lang_code shop_policies return_policy company_description terms i18n_company i18n_address i18n_city status company address city state country zipcode email phone url storefront secure_storefront entry_page redirect_customer countries_list timestamp shippings logos request_user_id request_account_name request_account_data tax_number registered_from_storefront_id plan_id pre_moderation pre_moderation_edit pre_moderation_edit_vendors suspend_date grace_period_start last_time_suspended last_debt_notification_time paypal_commerce_platform_account_id discreet_shipping shipstation_enabled shipstation_fulfillment shipstation_api_key shipstation_api_secret shipstation_api_connected shipstation_webhook_id shipstation_store_id shipstation_warehouse_name shipstation_warehouse_street1 shipstation_warehouse_street2 shipstation_warehouse_street3 shipstation_warehouse_country shipstation_warehouse_state shipstation_warehouse_city shipstation_warehouse_postal_code shipstation_warehouse_phone shipstation_warehouse_residential shipstation_warehouse_id shipengine_enabled shipengine_api_key shipengine_api_connected shipengine_webhook_id shipengine_account_id shipengine_external_account_id shipengine_api_key_id discreet_shipping_shop_name vacation_mode vacation_start_date vacation_end_date tagline shopify_token shopify_link_app shopify_api_key shopify_api_secret stripe_connect_account_id stripe_connect_account_type chitchats_enabled chitchats_client_id chitchats_api_key royal_mail_enabled royal_mail_api_key plan seo_name seo_path average_rating company_thread_ids
52 en Welcome to our shop. Here are some basic information. Please feel free to message us with any other questions. Our products are made with 100% platinum cured silicone, that's it!! You can cancel your order at any time before the product has been produced. Once shipped there are no cancellation or returns. Make sure you order your sizing and firmness accordingly. If a product is found defective please message us with the issue and pictures and we will replace it for free. If it is aesthetic we can provide a credit compensate. All this is at our discretion. We do not share, sell or keep any of your personal/financial/address information other than to process your order. Due to the nature of the product no returns will be accepted. Please make sure of your sizing and firmness. Please contact us for assistance or questions about our products if you need additional infos. Elementaltoys 163 Chemin de l'anse Rigaud A Elementaltoys 163 Chemin de l'anse Rigaud QC CA j0p1p0 elementaltoys@gmail.com 5147156470 https://www.etsy.com/ca/shop/elementaltoy none Y 1707246766 103 a:4:{s:14:"company_fields";a:8:{i:37;s:9:"Sebastien";i:38;s:6:"Rochon";i:52;s:16:"elementaltoys.ca";i:58;s:0:"";i:54;s:0:"";i:55;s:0:"";i:56;s:57:"https://x.com/elementaltoys?t=0QexNqJgly0pEtQZ8JWY_A&s=09";i:57;s:0:"";}s:15:"admin_firstname";s:9:"Sebastien";s:14:"admin_lastname";s:6:"Rochon";s:6:"fields";a:5:{i:65;s:0:"";i:61;s:0:"";i:62;s:0:"";i:63;s:57:"https://x.com/elementaltoys?t=0QexNqJgly0pEtQZ8JWY_A&s=09";i:64;s:0:"";}} def50200b498269fc9adb32ec661babe1eb56389f999f3f3eeda01e2ba8432a4b75983fd91244dc35e576e34fc1cc29f04bf891bd6050949fbeffea09865eee3bbb8d7d919f0a95b2322c0bf3ad4be8017868cc717f6 1 1 N N N 0 0 0 0 JW4NRBAMNL8LQ Y N Y N 0 N 0 Y Df0EC3KDd2WdDALkf8RnmMFRdM5mmTm1E9p8W+y/iu8 Y 0 6622751 c0b608ed-2830-44d1-825a-4a730046f3d1 5353291 Elemental 0 0 0 We love toys!!! Why not share it with the world. N N Beta Plan elementaltoys 52_0