CPFS/JSON table_d

cpfs_json_table_d.json

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "1.09"
    },
    "table": {
      "table_name": "table_d",
      "access_type": "ref",
      "possible_keys": [
        "idx_cpf"
      ],
      "key": "idx_cpf",
      "used_key_parts": [
        "cpf"
      ],
      "key_length": "45",
      "ref": [
        "const"
      ],
      "rows_examined_per_scan": 1,
      "rows_produced_per_join": 1,
      "filtered": "100.00",
      "using_index": true,
      "cost_info": {
        "read_cost": "0.99",
        "eval_cost": "0.10",
        "prefix_cost": "1.09",
        "data_read_per_join": "48"
      },
      "used_columns": [
        "cpf"
      ],
      "attached_condition": "(`cpfs_data`.`table_d`.`cpf` = '99786051285')"
    }
  }
}"