SELECT 
  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 = 33 
  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 
WHERE 
  companies.company_id = 33

Query time 0.00063

JSON explain

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  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "2.10"
    },
    "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,
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          "cost_info": {
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            "eval_cost": "0.10",
            "prefix_cost": "0.00",
            "data_read_per_join": "6K"
          },
          "used_columns": [
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            "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",
            "override_delivery_days",
            "delivery_days",
            "stripe_connect_account_id",
            "stripe_connect_account_type",
            "paypal_commerce_platform_account_id"
          ]
        }
      },
      {
        "table": {
          "table_name": "company_descriptions",
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          ],
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            "const",
            "const"
          ],
          "rows_examined_per_scan": 1,
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          "cost_info": {
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            "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"
          ],
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          ],
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          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "cost_info": {
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          },
          "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": [
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            "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",
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          ],
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            "data_read_per_join": "24"
          },
          "used_columns": [
            "thread_id",
            "object_id",
            "object_type"
          ]
        }
      },
      {
        "table": {
          "table_name": "cscart_discussion_posts",
          "access_type": "ref",
          "possible_keys": [
            "thread_id",
            "thread_id_2"
          ],
          "key": "thread_id",
          "used_key_parts": [
            "thread_id"
          ],
          "key_length": "3",
          "ref": [
            "wearethehelpful_scalesta_net.cscart_discussion.thread_id"
          ],
          "rows_examined_per_scan": 2,
          "rows_produced_per_join": 2,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "0.50",
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            "prefix_cost": "1.40",
            "data_read_per_join": "896"
          },
          "used_columns": [
            "post_id",
            "thread_id",
            "status"
          ],
          "attached_condition": "<if>(is_not_null_compl(cscart_discussion_posts), (`wearethehelpful_scalesta_net`.`cscart_discussion_posts`.`status` = 'A'), true)"
        }
      },
      {
        "table": {
          "table_name": "cscart_discussion_rating",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY",
            "thread_id"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "post_id"
          ],
          "key_length": "3",
          "ref": [
            "wearethehelpful_scalesta_net.cscart_discussion_posts.post_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 2,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "0.50",
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            "data_read_per_join": "32"
          },
          "used_columns": [
            "rating_value",
            "post_id",
            "thread_id"
          ],
          "attached_condition": "<if>(is_not_null_compl(cscart_discussion_rating), (`wearethehelpful_scalesta_net`.`cscart_discussion_rating`.`thread_id` = `wearethehelpful_scalesta_net`.`cscart_discussion`.`thread_id`), true)"
        }
      }
    ]
  }
}

Result

company_id lang_code 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 override_delivery_days delivery_days stripe_connect_account_id stripe_connect_account_type paypal_commerce_platform_account_id plan seo_name seo_path average_rating company_thread_ids
33 en <p>DOOK REFUND POLICY</p> <p><b>Returns:</b></p> <p>To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.</p> <p>&nbsp;</p> <p>Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately, we can’t offer you a refund or exchange.</p> <p>To return your product, you should mail your product (ideally in the original postal packaging) to dook, 17 Esplanade Terrace, Edinburgh, EH152ES, United Kingdom</p> <p>&nbsp;</p> <p><b>Refunds:&nbsp;</b> Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund. If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 2&nbsp;days.</p> <p>For workshop and event bookings refunds are made on a case by case basis.&nbsp; Sadly, we are unable to refund anyone who cancels within 3 days of the event.&nbsp;&nbsp;</p> <p><b>Late or missing refunds:</b> If you haven’t received a refund yet, first check your bank account again. Then contact your credit card company, it may take some time before your refund is officially posted.&nbsp; Next, contact your bank. There is often some processing time before a refund is posted. If you’ve done all of this and you still have not received your refund yet, please contact us at dookofedinburgh@gmail.com.</p> <p><b>Exchanges:</b> We only replace items if they are defective or damaged. If you need to exchange it for the same item, send us an email at dookofedinburgh@gmail.com and send your item to dook, 17 Esplanade Terrace, Edinburgh, EH152ES, United Kingdom.</p> <p>&nbsp;</p> <p>If you are shipping items worth over £20, you should consider using a trackable shipping service or purchasing insurance. We don’t guarantee that we will receive your returned item.</p> <p></p> Dook A Dook helen@dookofedinburgh.com +447792520022 none Y 1741027039 26 0 a:4:{s:14:"company_fields";a:6:{i:37;s:5:"Helen";i:38;s:8:"Atherton";i:53;s:16:"Founder/Director";i:54;s:33:"Our handmade soaps and bath salts";i:55;s:98:"Our customers are mainly women from 30-60 who are buying gifts for others or treat for themselves.";i:56;s:116:"UK wide and we can post out our products to the EU and US - (although then additional shipping costs would be added)";}s:15:"admin_firstname";s:5:"Helen";s:14:"admin_lastname";s:8:"Atherton";s:6:"fields";a:0:{}} GB400891616 1 10 N N N 0 0 0 0 N 0 acct_1I8pnPJmZepdL6JN S Launch - 20% dook 33_0