SELECT 
  q_product_feature_variant_descriptions.*, 
  q_product_feature_variants.*, 
  q_product_features_values.variant_id as selected, 
  q_product_features.feature_type, 
  q_seo_names.name as seo_name, 
  q_seo_names.path as seo_path 
FROM 
  q_product_feature_variants 
  LEFT JOIN q_product_feature_variant_descriptions ON q_product_feature_variant_descriptions.variant_id = q_product_feature_variants.variant_id 
  AND q_product_feature_variant_descriptions.lang_code = 'en' 
  INNER JOIN q_product_features_values ON q_product_features_values.variant_id = q_product_feature_variants.variant_id 
  AND q_product_features_values.lang_code = 'en' 
  AND q_product_features_values.product_id = 33162 
  LEFT JOIN q_product_features ON q_product_features.feature_id = q_product_feature_variants.feature_id 
  LEFT JOIN q_seo_names ON q_seo_names.object_id = q_product_feature_variants.variant_id 
  AND q_seo_names.type = 'e' 
  AND q_seo_names.dispatch = '' 
  AND q_seo_names.lang_code = 'en' 
WHERE 
  1 
  AND q_product_feature_variants.feature_id IN (62) 
GROUP BY 
  q_product_feature_variants.variant_id 
ORDER BY 
  q_product_feature_variants.position, 
  q_product_feature_variant_descriptions.variant

Query time 0.00138

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "33.20"
    },
    "ordering_operation": {
      "using_filesort": true,
      "grouping_operation": {
        "using_temporary_table": true,
        "using_filesort": false,
        "nested_loop": [
          {
            "table": {
              "table_name": "q_product_features_values",
              "access_type": "ref",
              "possible_keys": [
                "variant_id",
                "lang_code",
                "product_id"
              ],
              "key": "product_id",
              "used_key_parts": [
                "product_id"
              ],
              "key_length": "3",
              "ref": [
                "const"
              ],
              "rows_examined_per_scan": 17,
              "rows_produced_per_join": 9,
              "filtered": "56.37",
              "cost_info": {
                "read_cost": "17.00",
                "eval_cost": "1.92",
                "prefix_cost": "20.40",
                "data_read_per_join": "7K"
              },
              "used_columns": [
                "product_id",
                "variant_id",
                "lang_code"
              ],
              "attached_condition": "(`portal`.`q_product_features_values`.`lang_code` = 'en')"
            }
          },
          {
            "table": {
              "table_name": "q_product_feature_variants",
              "access_type": "eq_ref",
              "possible_keys": [
                "PRIMARY",
                "feature_id"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "variant_id"
              ],
              "key_length": "3",
              "ref": [
                "portal.q_product_features_values.variant_id"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 0,
              "filtered": "5.00",
              "cost_info": {
                "read_cost": "9.58",
                "eval_cost": "0.10",
                "prefix_cost": "31.90",
                "data_read_per_join": "559"
              },
              "used_columns": [
                "variant_id",
                "feature_id",
                "url",
                "color",
                "position"
              ],
              "attached_condition": "(`portal`.`q_product_feature_variants`.`feature_id` = 62)"
            }
          },
          {
            "table": {
              "table_name": "q_product_features",
              "access_type": "const",
              "possible_keys": [
                "PRIMARY"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "feature_id"
              ],
              "key_length": "3",
              "ref": [
                "const"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 0,
              "filtered": "100.00",
              "cost_info": {
                "read_cost": "0.05",
                "eval_cost": "0.10",
                "prefix_cost": "32.05",
                "data_read_per_join": "207"
              },
              "used_columns": [
                "feature_id",
                "feature_type"
              ]
            }
          },
          {
            "table": {
              "table_name": "q_product_feature_variant_descriptions",
              "access_type": "eq_ref",
              "possible_keys": [
                "PRIMARY"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "variant_id",
                "lang_code"
              ],
              "key_length": "9",
              "ref": [
                "portal.q_product_features_values.variant_id",
                "const"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 0,
              "filtered": "100.00",
              "cost_info": {
                "read_cost": "0.48",
                "eval_cost": "0.10",
                "prefix_cost": "32.62",
                "data_read_per_join": "1K"
              },
              "used_columns": [
                "variant_id",
                "variant",
                "description",
                "page_title",
                "meta_keywords",
                "meta_description",
                "lang_code"
              ]
            }
          },
          {
            "table": {
              "table_name": "q_seo_names",
              "access_type": "ref",
              "possible_keys": [
                "PRIMARY",
                "dispatch"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "object_id",
                "type",
                "dispatch",
                "lang_code"
              ],
              "key_length": "206",
              "ref": [
                "portal.q_product_features_values.variant_id",
                "const",
                "const",
                "const"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 0,
              "filtered": "100.00",
              "cost_info": {
                "read_cost": "0.48",
                "eval_cost": "0.10",
                "prefix_cost": "33.20",
                "data_read_per_join": "831"
              },
              "used_columns": [
                "name",
                "object_id",
                "type",
                "dispatch",
                "path",
                "lang_code"
              ]
            }
          }
        ]
      }
    }
  }
}