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 = 802 
  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 = 802

Query time 0.00098

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "2.88"
    },
    "nested_loop": [
      {
        "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": "14K"
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          "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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          ],
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            "prefix_cost": "0.00",
            "data_read_per_join": "1K"
          },
          "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": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
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            "lang_code"
          ],
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          ],
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          "cost_info": {
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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",
          "ref": [
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            "const",
            "const",
            "const"
          ],
          "rows_examined_per_scan": 1,
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          "cost_info": {
            "read_cost": "0.88",
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            "prefix_cost": "0.98",
            "data_read_per_join": "1K"
          },
          "used_columns": [
            "name",
            "object_id",
            "type",
            "dispatch",
            "path",
            "lang_code"
          ]
        }
      },
      {
        "table": {
          "table_name": "discussionA",
          "access_type": "const",
          "possible_keys": [
            "object_id"
          ],
          "key": "object_id",
          "used_key_parts": [
            "object_id",
            "object_type"
          ],
          "key_length": "6",
          "ref": [
            "const",
            "const"
          ],
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          "filtered": "100.00",
          "using_index": true,
          "cost_info": {
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            "prefix_cost": "1.84",
            "data_read_per_join": "24"
          },
          "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"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "using_index": true,
          "cost_info": {
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            "prefix_cost": "2.27",
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          },
          "used_columns": [
            "post_id",
            "thread_id",
            "status"
          ]
        }
      },
      {
        "table": {
          "table_name": "discussion_rating",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY",
            "thread_id"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
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          "key_length": "3",
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            "goimagine.discussion_posts.post_id"
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            "data_read_per_join": "28"
          },
          "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
802 en <p>The anticipation of a baby is one of the most wonderful experiences of life and is a cause for celebration. Mom and Baby Boutique LLC was established in 2010 with the goal of offering high quality baby accessories to help you celebrate that little bundle of joy. Whether you are an expectant mother yourself, a grandmother to be, or a loving friend searching for the perfect baby shower gift, I am proud to offer you a variety of exceptional presents.<br><br>I was first inspired by my nephew when he was expecting his first child. He was excited, he was nervous, and he was more than a little overwhelmed. Baby showers, and gender reveal showers, are often a way to relax those nerves while reminding everyone just how amazing pregnancy and babyhood truly is. I started with a simple diaper cake for them. He loved it. His wife loved it. The guests were amazed and I was hooked. Over the years I expanded my offerings to include baby clothing, gift sets, bibs, pacifier clips, and, of course, my diaper cakes.<br><br>My signature product line is the personalized pacifier and it is my best-seller for good reason. I elevate traditional pacifiers with expertly engraved text. Not only do I offer names, but I also offer playful phrases, awareness identifications, and even include them in our gift sets. I know that all babies are unique, and these customized pacifiers are the perfect expressions of your little ones budding personality.<br><br>Thank you again for learning about Mom and Baby Boutique LLC. I’d like to invite you to explore my shop and follow us on our social media platforms.<br><br><a href="http://www.facebook.com/MomandBabyBoutique" target="_blank" rel="nofollow noopener">www.facebook.com/MomandBabyBoutique</a><br><a href="http://www.twitter.com/MomandBabyBtq" target="_blank" rel="nofollow noopener">www.twitter.com/MomandBabyBtq</a><br><a href="http://www.instagram.com/MomandBabyBoutique" target="_blank" rel="nofollow noopener">www.instagram.com/MomandBabyBoutique</a><br><a href="http://www.pinterest.com/MomandBabyBtq" target="_blank" rel="nofollow noopener">www.pinterest.com/MomandBabyBtq</a></p> {"default_colors":"N","link_color":"#007d89","label_color":"#00a0af","icon_color":"#00a0af","main_btn_color":"#6dd1d6","branded_text_color":"#00a0af","vbp_1_url":"https:\/\/mombaby.goimagine.com\/index.php?dispatch=products.search&search_performed=Y","vbp_2_url":"","vbp_3_url":"","vba_1_url":"https:\/\/mombaby.goimagine.com\/index.php?dispatch=products.search&search_performed=Y","vba_2_url":"","vba_3_url":""} Mom and Baby Boutique PO BOX 42703 INDIANAPOLIS A Mom and Baby Boutique PO BOX 42703 INDIANAPOLIS IN US 46242 momandbabyboutique@yahoo.com none Y 1593210557 0 a:4:{s:14:"company_fields";a:2:{i:37;s:5:"April";i:38;s:7:"Jenkins";}s:15:"admin_firstname";s:5:"April";s:14:"admin_lastname";s:7:"Jenkins";s:6:"fields";a:0:{}} 4 acct_16SGzBCK2UFoY861 132894895583207 38169,38324,38186,38178,38264,38189 G-2M7X2X8PJT G-2M7X2X8PJT 132894895583207 A N 0 0 0 0 0 S All-Star Plan momandbabyboutique 802_0