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 = 325 
  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 = 325

Query time 0.00106

JSON explain

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            "city",
            "state",
            "country",
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            "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",
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            "custom_domain",
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            "taxjar_export_statuses",
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            "grace_period_start",
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            "tax_number",
            "stripe_connect_account_type",
            "registered_from_storefront_id"
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            "i18n_company",
            "i18n_address",
            "i18n_city"
          ]
        }
      },
      {
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          "used_columns": [
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            "lang_code",
            "plan"
          ]
        }
      },
      {
        "table": {
          "table_name": "seo_names",
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          ],
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          ]
        }
      },
      {
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            "status"
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          "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
325 en <p>If you, as I enjoy the creamy color that is produced when not using colorants and artificial fragrance in personal and home care products, add these to your must have list. Please keep in mind that our products are handcrafted, some are hand-cut. That means that they might differ a bit in shape and color from pictured. Handmade inspirations are always unique!</p> <p></p> <h6>I gladly accept returns, exchanges, and cancellations</h6> <p>Contact me within:&nbsp;<span class="text-gray-darker">3 days of delivery</span><br>Ship items back within:&nbsp;<span class="text-gray-darker">7 days of delivery</span><br>Request a cancellation within:&nbsp;<span class="text-gray-darker">2 hours of purchase</span></p> <h6>The following items can't be returned or exchanged</h6> <p>Because of the nature of these items, unless they arrive damaged or defective, I can't accept returns for:</p> <ul><li>Custom or personalized orders</li><li>Perishable products (like food or flowers)</li><li>Digital downloads</li><li>Intimate items (for health/hygiene reasons)</li></ul> <p><strong>Conditions of return</strong><br>Buyers are responsible for return shipping costs. If the item is not returned in its original condition, the buyer is responsible for any loss in value.</p> <p><strong>Questions about your order?</strong></p> <p>Please&nbsp;<span class="btn btn-link" data-action="open-convo" style="background-color: transparent; font-family: inherit; font-size: inherit; border-radius: 3px; border-width: initial; border-style: none; border-color: initial; font-weight: inherit; height: inherit; line-height: inherit; padding: 0px; text-decoration-line: underline; user-select: none; white-space: nowrap; -webkit-tap-highlight-color: transparent; -webkit-appearance: none; color: rgb(34, 34, 34);">contact me&nbsp;if you have any problems with your order.</span></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":""} Soap Farmacy 2720 Neilson Way Unit 5014 Santa Monica A Soap Farmacy 2720 Neilson Way Unit 5014 Santa Monica CA US 90409 blackmarketfarmacy@gmail.com none Y 1586679759 0 a:4:{s:14:"company_fields";a:2:{i:37;s:3:"Kim";i:38;s:13:"Williams Kent";}s:15:"admin_firstname";s:3:"Kim";s:14:"admin_lastname";s:13:"Williams Kent";s:6:"fields";a:0:{}} 3 acct_1DE5CKIJUivldas8 Natural Soap | Organic Apothecary chesilhurstfarm chesilhurstfarm chesilhurstfarm chesilhurstfarm A {"items_per_file":"2500","time_from":"","time_to":""} N 0 0 0 0 0 S Professional Plan soap-farmacy 5.0000 325_1280