TimestreamにAWS CLIでクエリ

### 事前状態

* awscliを最新にする
* Timestreamでサンプルデータベース作っておく

### ヘルプ
```bash:
$ aws timestream-query help
```

```bash:
TIMESTREAM-QUERY()                                          TIMESTREAM-QUERY()



NAME
       timestream-query -

DESCRIPTION
AVAILABLE COMMANDS
       o cancel-query

       o describe-endpoints

       o help

       o query
```

### ドキュメントはこちら

https://docs.aws.amazon.com/cli/latest/reference/timestream-query/query.html

### CLIでクエリ

```bash:
$ aws timestream-query query --query-string "SELECT * FROM testdb.IoT ORDER BY time DESC LIMIT 2"
{
    "Rows": [
        {
            "Data": [
                {
                    "ScalarValue": "Alpha"
                },
                {
                    "ScalarValue": "21135517"
                },
                {
                    "ScalarValue": "100"
                },
                {
                    "ScalarValue": "359"
                },
                {
                    "ScalarValue": "1000"
                },
                {
                    "ScalarValue": "Peterbilt"
                },
                {
                    "NullValue": true
                },
                {
                    "ScalarValue": "34.7465° N, 92.2896° W"
                },
                {
                    "ScalarValue": "location"
                },
                {
                    "ScalarValue": "2020-10-23 03:33:23.716000000"
                }
            ]
        },
        {
            "Data": [
                {
                    "ScalarValue": "Alpha"
                },
                {
                    "ScalarValue": "8598979964"
                },
                {
                    "ScalarValue": "150"
                },
                {
                    "ScalarValue": "C-600"
                },
                {
                    "ScalarValue": "1000"
                },
                {
                    "ScalarValue": "Ford"
                },
                {
                    "ScalarValue": "14.0"
                },
                {
                    "NullValue": true
                },
                {
                    "ScalarValue": "speed"
                },
                {
                    "ScalarValue": "2020-10-23 03:33:15.708000000"
                }
            ]
        }
    ],
    "ColumnInfo": [
        {
            "Name": "fleet",
            "Type": {
                "ScalarType": "VARCHAR"
            }
        },
        {
            "Name": "truck_id",
            "Type": {
                "ScalarType": "VARCHAR"
            }
        },
        {
            "Name": "fuel_capacity",
            "Type": {
                "ScalarType": "VARCHAR"
            }
        },
        {
            "Name": "model",
            "Type": {
                "ScalarType": "VARCHAR"
            }
        },
        {
            "Name": "load_capacity",
            "Type": {
                "ScalarType": "VARCHAR"
            }
        },
        {
            "Name": "make",
            "Type": {
                "ScalarType": "VARCHAR"
            }
        },
        {
            "Name": "measure_value::double",
            "Type": {
                "ScalarType": "DOUBLE"
            }
        },
        {
            "Name": "measure_value::varchar",
            "Type": {
                "ScalarType": "VARCHAR"
            }
        },
        {
            "Name": "measure_name",
            "Type": {
                "ScalarType": "VARCHAR"
            }
        },
        {
            "Name": "time",
            "Type": {
                "ScalarType": "TIMESTAMP"
            }
        }
    ],
    "QueryId": "AEBQEAMXYYX46KAC5AWWAQMNHBHRRDECDAFOKKQ45N4PIVWTA3D5BVXELIKF4HA"
}
```