Chilkat Online Tools

DescribeStatement Xojo Example

Amazon Redshift Data API

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

Dim rest As New Chilkat.Rest
Dim success As Boolean

Dim authAws As New 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 = "redshift-data"
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
success = rest.SetAuthAws(authAws)

// URL: https://redshift-data.us-west-2.amazonaws.com/
// Use the same region as specified above.
success = rest.Connect("redshift-data.us-west-2.amazonaws.com",443,True,True)
If (success <> True) Then
    System.DebugLog("ConnectFailReason: " + Str(rest.ConnectFailReason))
    System.DebugLog(rest.LastErrorText)
    Return
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

Dim json As New Chilkat.JsonObject
success = json.UpdateString("Id","string")

// The JSON request body created by the above code:

// {
//   "Id": "string"
// }

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

Dim sbRequestBody As New Chilkat.StringBuilder
success = json.EmitSb(sbRequestBody)
Dim sbResponseBody As New Chilkat.StringBuilder
success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody)
If (success <> True) Then
    System.DebugLog(rest.LastErrorText)
    Return
End If

Dim respStatusCode As Int32
respStatusCode = rest.ResponseStatusCode
System.DebugLog("response status code = " + Str(respStatusCode))
If (respStatusCode <> 200) Then
    System.DebugLog("Response Header:")
    System.DebugLog(rest.ResponseHeader)
    System.DebugLog("Response Body:")
    System.DebugLog(sbResponseBody.GetAsString())
    Return
End If

Dim jResp As New Chilkat.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

Dim name As String
Dim value As String

Dim ClusterIdentifier As String
ClusterIdentifier = jResp.StringOf("ClusterIdentifier")
Dim CreatedAt As Int32
CreatedAt = jResp.IntOf("CreatedAt")
Dim Database As String
Database = jResp.StringOf("Database")
Dim DbUser As String
DbUser = jResp.StringOf("DbUser")
Dim Duration As Int32
Duration = jResp.IntOf("Duration")
Dim Error As String
Error = jResp.StringOf("Error")
Dim HasResultSet As Int32
HasResultSet = jResp.IntOf("HasResultSet")
Dim Id As String
Id = jResp.StringOf("Id")
Dim QueryString As String
QueryString = jResp.StringOf("QueryString")
Dim RedshiftPid As Int32
RedshiftPid = jResp.IntOf("RedshiftPid")
Dim RedshiftQueryId As Int32
RedshiftQueryId = jResp.IntOf("RedshiftQueryId")
Dim ResultRows As Int32
ResultRows = jResp.IntOf("ResultRows")
Dim ResultSize As Int32
ResultSize = jResp.IntOf("ResultSize")
Dim SecretArn As String
SecretArn = jResp.StringOf("SecretArn")
Dim Status As String
Status = jResp.StringOf("Status")
Dim UpdatedAt As Int32
UpdatedAt = jResp.IntOf("UpdatedAt")
Dim i As Int32
i = 0
Dim count_i As Int32
count_i = jResp.SizeOfArray("QueryParameters")
While i < count_i
    jResp.I = i
    name = jResp.StringOf("QueryParameters[i].name")
    value = jResp.StringOf("QueryParameters[i].value")
    i = i + 1
Wend
i = 0
count_i = jResp.SizeOfArray("SubStatements")
While i < count_i
    jResp.I = i
    CreatedAt = jResp.IntOf("SubStatements[i].CreatedAt")
    Duration = jResp.IntOf("SubStatements[i].Duration")
    Error = jResp.StringOf("SubStatements[i].Error")
    HasResultSet = jResp.IntOf("SubStatements[i].HasResultSet")
    Id = jResp.StringOf("SubStatements[i].Id")
    QueryString = jResp.StringOf("SubStatements[i].QueryString")
    RedshiftQueryId = jResp.IntOf("SubStatements[i].RedshiftQueryId")
    ResultRows = jResp.IntOf("SubStatements[i].ResultRows")
    ResultSize = jResp.IntOf("SubStatements[i].ResultSize")
    Status = jResp.StringOf("SubStatements[i].Status")
    UpdatedAt = jResp.IntOf("SubStatements[i].UpdatedAt")
    i = i + 1
Wend

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

// {
//   "ClusterIdentifier": "string",
//   "CreatedAt": number,
//   "Database": "string",
//   "DbUser": "string",
//   "Duration": number,
//   "Error": "string",
//   "HasResultSet": boolean,
//   "Id": "string",
//   "QueryParameters": [
//     {
//       "name": "string",
//       "value": "string"
//     }
//   ],
//   "QueryString": "string",
//   "RedshiftPid": number,
//   "RedshiftQueryId": number,
//   "ResultRows": number,
//   "ResultSize": number,
//   "SecretArn": "string",
//   "Status": "string",
//   "SubStatements": [
//     {
//       "CreatedAt": number,
//       "Duration": number,
//       "Error": "string",
//       "HasResultSet": boolean,
//       "Id": "string",
//       "QueryString": "string",
//       "RedshiftQueryId": number,
//       "ResultRows": number,
//       "ResultSize": number,
//       "Status": "string",
//       "UpdatedAt": number
//     }
//   ],
//   "UpdatedAt": number
// }