Chilkat Online Tools

ListTables 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("ClusterIdentifier","string")
success = json.UpdateString("ConnectedDatabase","string")
success = json.UpdateString("Database","string")
success = json.UpdateString("DbUser","string")
success = json.UpdateInt("MaxResults",123)
success = json.UpdateString("NextToken","string")
success = json.UpdateString("SchemaPattern","string")
success = json.UpdateString("SecretArn","string")
success = json.UpdateString("TablePattern","string")

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

// {
//   "ClusterIdentifier": "string",
//   "ConnectedDatabase": "string",
//   "Database": "string",
//   "DbUser": "string",
//   "MaxResults": number,
//   "NextToken": "string",
//   "SchemaPattern": "string",
//   "SecretArn": "string",
//   "TablePattern": "string"
// }

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

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 schema As String
Dim v_type As String

Dim NextToken As String
NextToken = jResp.StringOf("NextToken")
Dim i As Int32
i = 0
Dim count_i As Int32
count_i = jResp.SizeOfArray("Tables")
While i < count_i
    jResp.I = i
    name = jResp.StringOf("Tables[i].name")
    schema = jResp.StringOf("Tables[i].schema")
    v_type = jResp.StringOf("Tables[i].type")
    i = i + 1
Wend

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

// {
//   "NextToken": "string",
//   "Tables": [
//     {
//       "name": "string",
//       "schema": "string",
//       "type": "string"
//     }
//   ]
// }