Chilkat Online Tools

GetQueryResults VBScript Example

Athena

Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
Set outFile = fso.CreateTextFile("output.txt", True)

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

set rest = CreateObject("Chilkat_9_5_0.Rest")

set authAws = CreateObject("Chilkat_9_5_0.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
success = 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",443,1,1)
If (success <> 1) Then
    outFile.WriteLine("ConnectFailReason: " & rest.ConnectFailReason)
    outFile.WriteLine(rest.LastErrorText)
    WScript.Quit
End If

' 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

set json = CreateObject("Chilkat_9_5_0.JsonObject")
success = json.UpdateInt("MaxResults",123)
success = json.UpdateString("NextToken","string")
success = json.UpdateString("QueryExecutionId","string")

' The JSON request body created by the above code:

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

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

set sbRequestBody = CreateObject("Chilkat_9_5_0.StringBuilder")
success = json.EmitSb(sbRequestBody)
set sbResponseBody = CreateObject("Chilkat_9_5_0.StringBuilder")
success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody)
If (success <> 1) Then
    outFile.WriteLine(rest.LastErrorText)
    WScript.Quit
End If

respStatusCode = rest.ResponseStatusCode
outFile.WriteLine("response status code = " & respStatusCode)
If (respStatusCode <> 200) Then
    outFile.WriteLine("Response Header:")
    outFile.WriteLine(rest.ResponseHeader)
    outFile.WriteLine("Response Body:")
    outFile.WriteLine(sbResponseBody.GetAsString())
    WScript.Quit
End If

set jResp = CreateObject("Chilkat_9_5_0.JsonObject")
success = 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")
Do While i < 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
Loop
i = 0
count_i = jResp.SizeOfArray("ResultSet.Rows")
Do While i < count_i
    jResp.I = i
    j = 0
    count_j = jResp.SizeOfArray("ResultSet.Rows[i].Data")
    Do While j < count_j
        jResp.J = j
        VarCharValue = jResp.StringOf("ResultSet.Rows[i].Data[j].VarCharValue")
        j = j + 1
    Loop
    i = i + 1
Loop

' 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
' }

outFile.Close