Query time 0.00092
    
    
            JSON explain
        {
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "2.78"
    },
    "ordering_operation": {
      "using_filesort": true,
      "grouping_operation": {
        "using_temporary_table": true,
        "using_filesort": false,
        "nested_loop": [
          {
            "table": {
              "table_name": "companies",
              "access_type": "system",
              "possible_keys": [
                "PRIMARY"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 1,
              "filtered": "100.00",
              "cost_info": {
                "read_cost": "0.00",
                "eval_cost": "0.20",
                "prefix_cost": "0.00",
                "data_read_per_join": "5K"
              },
              "used_columns": [
                "company_id",
                "status",
                "company"
              ]
            }
          },
          {
            "table": {
              "table_name": "shared_descr",
              "access_type": "system",
              "possible_keys": [
                "PRIMARY",
                "product_id",
                "company_id"
              ],
              "rows_examined_per_scan": 0,
              "rows_produced_per_join": 1,
              "filtered": "0.00",
              "const_row_not_found": true,
              "cost_info": {
                "read_cost": "0.00",
                "eval_cost": "0.20",
                "prefix_cost": "0.00",
                "data_read_per_join": "3K"
              },
              "used_columns": [
                "product_id",
                "lang_code",
                "company_id",
                "product"
              ]
            }
          },
          {
            "table": {
              "table_name": "cscart_categories",
              "access_type": "const",
              "possible_keys": [
                "PRIMARY",
                "c_status",
                "p_category_id"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "category_id"
              ],
              "key_length": "3",
              "ref": [
                "const"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 1,
              "filtered": "100.00",
              "cost_info": {
                "read_cost": "0.00",
                "eval_cost": "0.20",
                "prefix_cost": "0.00",
                "data_read_per_join": "2K"
              },
              "used_columns": [
                "category_id",
                "storefront_id",
                "usergroup_ids",
                "status"
              ]
            }
          },
          {
            "table": {
              "table_name": "products_categories",
              "access_type": "ref",
              "possible_keys": [
                "PRIMARY",
                "pt"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "category_id"
              ],
              "key_length": "3",
              "ref": [
                "const"
              ],
              "rows_examined_per_scan": 3,
              "rows_produced_per_join": 3,
              "filtered": "100.00",
              "using_index": true,
              "cost_info": {
                "read_cost": "1.05",
                "eval_cost": "0.60",
                "prefix_cost": "1.65",
                "data_read_per_join": "48"
              },
              "used_columns": [
                "product_id",
                "category_id"
              ]
            }
          },
          {
            "table": {
              "table_name": "products",
              "access_type": "eq_ref",
              "possible_keys": [
                "PRIMARY",
                "status",
                "idx_parent_product_id"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "product_id"
              ],
              "key_length": "3",
              "ref": [
                "atulecarter_atul_demo5.products_categories.product_id"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 0,
              "filtered": "9.56",
              "cost_info": {
                "read_cost": "0.00",
                "eval_cost": "0.06",
                "prefix_cost": "2.25",
                "data_read_per_join": "1K"
              },
              "used_columns": [
                "product_id",
                "product_type",
                "status",
                "company_id",
                "usergroup_ids",
                "parent_product_id"
              ],
              "attached_condition": "((`atulecarter_atul_demo5`.`products`.`company_id` = '1') and (`atulecarter_atul_demo5`.`products`.`parent_product_id` = 0) and ((`atulecarter_atul_demo5`.`products`.`usergroup_ids` = '') or find_in_set(0,`atulecarter_atul_demo5`.`products`.`usergroup_ids`) or find_in_set(1,`atulecarter_atul_demo5`.`products`.`usergroup_ids`)) and (`atulecarter_atul_demo5`.`products`.`status` = 'A'))"
            }
          },
          {
            "table": {
              "table_name": "cscart_ec_table_booking_system",
              "access_type": "eq_ref",
              "possible_keys": [
                "PRIMARY"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "product_id"
              ],
              "key_length": "4",
              "ref": [
                "atulecarter_atul_demo5.products_categories.product_id"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 0,
              "filtered": "100.00",
              "cost_info": {
                "read_cost": "0.00",
                "eval_cost": "0.06",
                "prefix_cost": "2.31",
                "data_read_per_join": "50"
              },
              "used_columns": [
                "product_id",
                "booking_type"
              ],
              "attached_condition": "<if>(is_not_null_compl(cscart_ec_table_booking_system), (`atulecarter_atul_demo5`.`cscart_ec_table_booking_system`.`product_id` = `atulecarter_atul_demo5`.`products_categories`.`product_id`), true)"
            }
          },
          {
            "table": {
              "table_name": "descr1",
              "access_type": "eq_ref",
              "possible_keys": [
                "PRIMARY",
                "product_id"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "product_id",
                "lang_code"
              ],
              "key_length": "9",
              "ref": [
                "atulecarter_atul_demo5.products_categories.product_id",
                "const"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 0,
              "filtered": "100.00",
              "cost_info": {
                "read_cost": "0.00",
                "eval_cost": "0.06",
                "prefix_cost": "2.36",
                "data_read_per_join": "1K"
              },
              "used_columns": [
                "product_id",
                "lang_code",
                "product"
              ]
            }
          },
          {
            "table": {
              "table_name": "prices",
              "access_type": "ref",
              "possible_keys": [
                "usergroup",
                "product_id",
                "lower_limit",
                "usergroup_id"
              ],
              "key": "usergroup",
              "used_key_parts": [
                "product_id"
              ],
              "key_length": "3",
              "ref": [
                "atulecarter_atul_demo5.products_categories.product_id"
              ],
              "rows_examined_per_scan": 2,
              "rows_produced_per_join": 0,
              "filtered": "92.12",
              "using_index": true,
              "cost_info": {
                "read_cost": "0.30",
                "eval_cost": "0.11",
                "prefix_cost": "2.78",
                "data_read_per_join": "12"
              },
              "used_columns": [
                "product_id",
                "lower_limit",
                "usergroup_id"
              ],
              "attached_condition": "((`atulecarter_atul_demo5`.`prices`.`lower_limit` = 1) and (`atulecarter_atul_demo5`.`prices`.`usergroup_id` in (0,0,1)))"
            }
          }
        ]
      }
    }
  }
}
    
            
            
                Result
                                    
                                                    | product_id | product | company_name | product_type | parent_product_id | booking_type | 
                                            
                                                            | 107 | Montblanc Classic Collection Money Clip | CS-Cart | P | 0 |  | 
                                            
                                                            | 109 | Montblanc Contemporary Collection Key Ring with Montblanc emblem | CS-Cart | P | 0 |  | 
                                            
                                                            | 91 | Montblanc Nicolas Rieussec Chronograph Automatic | CS-Cart | P | 0 |  | 
                                            
                                                            | 92 | Montblanc TimeWalker Automatic | CS-Cart | P | 0 |  | 
                                            
                                                            | 102 | PR 100 Women's White Quartz Watch | CS-Cart | P | 0 |  |