SELECT 
  company_descriptions.*, 
  companies.*, 
  vendor_plan_descriptions.plan, 
  seo_names.name as seo_name, 
  seo_names.path as seo_path, 
  vendor_ga_tracking_code, 
  vendor_fb_tracking_code, 
  AVG(discussion_rating.rating_value) AS average_rating, 
  CONCAT(
    companies.company_id, 
    '_', 
    IF (
      discussion_rating.thread_id, discussion_rating.thread_id, 
      '0'
    )
  ) AS company_thread_ids 
FROM 
  companies AS companies 
  LEFT JOIN company_descriptions AS company_descriptions ON company_descriptions.company_id = companies.company_id 
  AND company_descriptions.lang_code = 'en' 
  LEFT JOIN vendor_plan_descriptions ON companies.plan_id = vendor_plan_descriptions.plan_id 
  AND vendor_plan_descriptions.lang_code = 'en' 
  LEFT JOIN seo_names ON seo_names.object_id = 4139 
  AND seo_names.type = 'm' 
  AND seo_names.dispatch = '' 
  AND seo_names.lang_code = 'en' 
  LEFT JOIN discussion as discussionA ON discussionA.object_id = companies.company_id 
  AND discussionA.object_type = 'M' 
  LEFT JOIN discussion_posts ON discussion_posts.thread_id = discussionA.thread_id 
  AND discussion_posts.status = 'A' 
  LEFT JOIN discussion_rating ON discussionA.thread_id = discussion_rating.thread_id 
  AND discussion_rating.post_id = discussion_posts.post_id 
WHERE 
  companies.company_id = 4139

Query time 0.00104

JSON explain

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    "nested_loop": [
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          "key": "PRIMARY",
          "used_key_parts": [
            "company_id"
          ],
          "key_length": "4",
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          ],
          "rows_examined_per_scan": 1,
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          "cost_info": {
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            "data_read_per_join": "14K"
          },
          "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",
            "plan_id",
            "stripe_connect_account_id",
            "identifier_facebook_pixel",
            "featured_products",
            "sd_ga_tracking_code",
            "paypal_commerce_platform_account_id",
            "tagline",
            "url_facebook",
            "url_instagram",
            "url_twitter",
            "url_pinterest",
            "announcement",
            "shippo_api_token",
            "shippo_carrier",
            "shippo_service_type",
            "vendor_ga_tracking_code",
            "vendor_fb_tracking_code",
            "custom_domain",
            "custom_domain_status",
            "taxjar_key",
            "taxjar_export_statuses",
            "taxjar_export_csv_data",
            "ag_hide_city",
            "updated_timestamp",
            "suspend_date",
            "grace_period_start",
            "last_time_suspended",
            "last_debt_notification_time",
            "tax_number",
            "stripe_connect_account_type",
            "registered_from_storefront_id"
          ]
        }
      },
      {
        "table": {
          "table_name": "company_descriptions",
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          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "company_id",
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          ],
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          },
          "used_columns": [
            "company_id",
            "lang_code",
            "company_description",
            "terms",
            "subdomain_colors",
            "i18n_company",
            "i18n_address",
            "i18n_city"
          ]
        }
      },
      {
        "table": {
          "table_name": "vendor_plan_descriptions",
          "access_type": "const",
          "possible_keys": [
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          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "plan_id",
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          ],
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            "data_read_per_join": "1K"
          },
          "used_columns": [
            "plan_id",
            "lang_code",
            "plan"
          ]
        }
      },
      {
        "table": {
          "table_name": "seo_names",
          "access_type": "ref",
          "possible_keys": [
            "PRIMARY",
            "dispatch"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "object_id",
            "type",
            "dispatch",
            "lang_code"
          ],
          "key_length": "206",
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            "const"
          ],
          "rows_examined_per_scan": 1,
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          "cost_info": {
            "read_cost": "0.87",
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            "prefix_cost": "0.97",
            "data_read_per_join": "1K"
          },
          "used_columns": [
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            "type",
            "dispatch",
            "path",
            "lang_code"
          ]
        }
      },
      {
        "table": {
          "table_name": "discussionA",
          "access_type": "const",
          "possible_keys": [
            "object_id"
          ],
          "key": "object_id",
          "used_key_parts": [
            "object_id",
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          ],
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            "const"
          ],
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          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "using_index": true,
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            "data_read_per_join": "24"
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          "used_columns": [
            "thread_id",
            "object_id",
            "object_type"
          ]
        }
      },
      {
        "table": {
          "table_name": "discussion_posts",
          "access_type": "ref",
          "possible_keys": [
            "thread_id",
            "thread_id_2"
          ],
          "key": "thread_id_2",
          "used_key_parts": [
            "thread_id",
            "status"
          ],
          "key_length": "6",
          "ref": [
            "goimagine.discussionA.thread_id",
            "const"
          ],
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          "using_index": true,
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            "prefix_cost": "2.20",
            "data_read_per_join": "787"
          },
          "used_columns": [
            "post_id",
            "thread_id",
            "status"
          ]
        }
      },
      {
        "table": {
          "table_name": "discussion_rating",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY",
            "thread_id"
          ],
          "key": "PRIMARY",
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            "post_id"
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          "key_length": "3",
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            "goimagine.discussion_posts.post_id"
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          "used_columns": [
            "rating_value",
            "post_id",
            "thread_id"
          ],
          "attached_condition": "<if>(is_not_null_compl(discussion_rating), (`goimagine`.`discussion_rating`.`thread_id` = `goimagine`.`discussionA`.`thread_id`), true)"
        }
      }
    ]
  }
}

Result

company_id lang_code company_description terms subdomain_colors 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 plan_id stripe_connect_account_id identifier_facebook_pixel featured_products sd_ga_tracking_code paypal_commerce_platform_account_id tagline url_facebook url_instagram url_twitter url_pinterest announcement shippo_api_token shippo_carrier shippo_service_type vendor_ga_tracking_code vendor_fb_tracking_code custom_domain custom_domain_status taxjar_key taxjar_export_statuses taxjar_export_csv_data ag_hide_city updated_timestamp suspend_date grace_period_start last_time_suspended last_debt_notification_time tax_number stripe_connect_account_type registered_from_storefront_id plan seo_name seo_path average_rating company_thread_ids
4139 en <p>Hi! I’m Gracie, owner of Rural Route Design Co. This is my creative outlet to honor my rural roots, both as a farm kid who fell in love with agriculture and grew up to be a farmer and as a former 4-H member, where my love of crafting began.&nbsp; My favorite hobbies include crocheting, macrame, sewing, Cricuting, and sharing my love of agriculture in my designs. I’m excited to have you on this journey with me and appreciate your support of this new “side hustle” endeavor!</p> <p><strong>When will my order ship?</strong><br></p><p>All orders are made-to-order by me, so please allow me 5-7 business days to create your product(s). Upon completion, your order will be shipped via your selected method. If you have any questions about when your order will ship, please feel free to send me a message!</p><hr><p><strong>I have a problem with my order. Who do I contact?</strong><br></p><p>Problems with your order?&nbsp;Please let me know! Send a message or email me at gracie@ruralroutedesignco.com. Please allow up to 48 hours for the initial response.<br></p><p>If damage occurs during shipping, please message or email gracie@ruralroutedesignco.com with photos. Items damaged during shipping with adequate documentation will be replaced at no cost to the buyer. In the event damage does occur, please be sure to save and/or photograph the packaging.</p><hr><p><strong>Returns and exchanges</strong><br></p><p>If you are not 100% satisfied with your purchase, you may return your order for a refund (less shipping fees). Exchanges may be made for the additional shipping cost. Please reach out to make arrangements before returning or exchanging. Refunds/dispatch of new item(s) will be made upon receipt of the original returned item(s).</p><p>All sales of digital items are final, but do feel free to reach out if there are any problems with your order.<br></p> {"tmenu_style":"V","default_colors":"N","link_color":"#007d89","label_color":"#00a0af","icon_color":"#00a0af","main_btn_color":"#6dd1d6","branded_text_color":"#00a0af","vbp_1_url":"","vbp_2_url":"","vbp_3_url":"","vba_1_url":"","vba_2_url":"","vba_3_url":""} Rural Route Design Co. 13509 2950 North Avenue Walnut A Rural Route Design Co. 13509 2950 North Avenue Walnut IL US 61376 gracie@ruralroutedesignco.com none Y 1635601211 0 3 acct_1Jq1n4GZY2zFpZZS 153699,246274,153704,153696,249128,249232 Shop the Rural Route for unique gifts and home decor Facebook.com/RuralRouteDesignCo Instagram.com/RuralRouteDesignCo UA-70031629-2 A N 0 0 0 0 0 S Professional Plan ruralroutedesignco 4139_0