Chilkat Online Tools

GetQueryResults Powershell Example

Athena

Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll"

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

$rest = New-Object Chilkat.Rest

$authAws = New-Object Chilkat.AuthAws
$authAws.AccessKey = "AWS_ACCESS_KEY"
$authAws.SecretKey = "AWS_SECRET_KEY"

# Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
$authAws.Region = "us-west-2"
$authAws.ServiceName = "athena"
# SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
$rest.SetAuthAws($authAws)

# URL: https://athena.us-west-2.amazonaws.com/
# Use the same region as specified above.
$success = $rest.Connect("athena.us-west-2.amazonaws.com",443,$true,$true)
if ($success -ne $true) {
    $("ConnectFailReason: " + $rest.ConnectFailReason)
    $($rest.LastErrorText)
    exit
}

# The following code creates the JSON request body.
# The JSON created by this code is shown below.

# Use this online tool to generate code from sample JSON:
# Generate Code to Create JSON

$json = New-Object Chilkat.JsonObject
$json.UpdateInt("MaxResults",123)
$json.UpdateString("NextToken","string")
$json.UpdateString("QueryExecutionId","string")

# The JSON request body created by the above code:

# {
#   "MaxResults": number,
#   "NextToken": "string",
#   "QueryExecutionId": "string"
# }

$rest.AddHeader("Content-Type","application/x-amz-json-1.1")
$rest.AddHeader("X-Amz-Target","AmazonAthena.GetQueryResults")

$sbRequestBody = New-Object Chilkat.StringBuilder
$json.EmitSb($sbRequestBody)
$sbResponseBody = New-Object Chilkat.StringBuilder
$success = $rest.FullRequestSb("POST","/",$sbRequestBody,$sbResponseBody)
if ($success -ne $true) {
    $($rest.LastErrorText)
    exit
}

$respStatusCode = $rest.ResponseStatusCode
$("response status code = " + $respStatusCode)
if ($respStatusCode -ne 200) {
    $("Response Header:")
    $($rest.ResponseHeader)
    $("Response Body:")
    $($sbResponseBody.GetAsString())
    exit
}

$jResp = New-Object Chilkat.JsonObject
$jResp.LoadSb($sbResponseBody)

# The following code parses the JSON response.
# A sample JSON response is shown below the sample code.

# Use this online tool to generate parsing code from sample JSON:
# Generate Parsing Code from JSON

$NextToken = $jResp.StringOf("NextToken")
$UpdateCount = $jResp.IntOf("UpdateCount")
$i = 0
$count_i = $jResp.SizeOfArray("ResultSet.ResultSetMetadata.ColumnInfo")
while ($i -lt $count_i) {
    $jResp.I = $i
    $CaseSensitive = $jResp.IntOf("ResultSet.ResultSetMetadata.ColumnInfo[i].CaseSensitive")
    $CatalogName = $jResp.StringOf("ResultSet.ResultSetMetadata.ColumnInfo[i].CatalogName")
    $Label = $jResp.StringOf("ResultSet.ResultSetMetadata.ColumnInfo[i].Label")
    $Name = $jResp.StringOf("ResultSet.ResultSetMetadata.ColumnInfo[i].Name")
    $Nullable = $jResp.StringOf("ResultSet.ResultSetMetadata.ColumnInfo[i].Nullable")
    $Precision = $jResp.IntOf("ResultSet.ResultSetMetadata.ColumnInfo[i].Precision")
    $Scale = $jResp.IntOf("ResultSet.ResultSetMetadata.ColumnInfo[i].Scale")
    $SchemaName = $jResp.StringOf("ResultSet.ResultSetMetadata.ColumnInfo[i].SchemaName")
    $TableName = $jResp.StringOf("ResultSet.ResultSetMetadata.ColumnInfo[i].TableName")
    $v_Type = $jResp.StringOf("ResultSet.ResultSetMetadata.ColumnInfo[i].Type")
    $i = $i + 1
}

$i = 0
$count_i = $jResp.SizeOfArray("ResultSet.Rows")
while ($i -lt $count_i) {
    $jResp.I = $i
    $j = 0
    $count_j = $jResp.SizeOfArray("ResultSet.Rows[i].Data")
    while ($j -lt $count_j) {
        $jResp.J = $j
        $VarCharValue = $jResp.StringOf("ResultSet.Rows[i].Data[j].VarCharValue")
        $j = $j + 1
    }

    $i = $i + 1
}

# A sample JSON response body parsed by the above code:

# {
#   "NextToken": "string",
#   "ResultSet": {
#     "ResultSetMetadata": {
#       "ColumnInfo": [
#         {
#           "CaseSensitive": boolean,
#           "CatalogName": "string",
#           "Label": "string",
#           "Name": "string",
#           "Nullable": "string",
#           "Precision": number,
#           "Scale": number,
#           "SchemaName": "string",
#           "TableName": "string",
#           "Type": "string"
#         }
#       ]
#     },
#     "Rows": [
#       {
#         "Data": [
#           {
#             "VarCharValue": "string"
#           }
#         ]
#       }
#     ]
#   },
#   "UpdateCount": number
# }