Chilkat Online Tools

DescribeTable autoit Example

Amazon Redshift Data API

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

$oRest = ObjCreate("Chilkat_9_5_0.Rest")
Local $bSuccess

$oAuthAws = ObjCreate("Chilkat_9_5_0.AuthAws")
$oAuthAws.AccessKey = "AWS_ACCESS_KEY"
$oAuthAws.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.)
$oAuthAws.Region = "us-west-2"
$oAuthAws.ServiceName = "redshift-data"
; SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
$oRest.SetAuthAws($oAuthAws)

; URL: https://redshift-data.us-west-2.amazonaws.com/
; Use the same region as specified above.
$bSuccess = $oRest.Connect("redshift-data.us-west-2.amazonaws.com",443,True,True)
If ($bSuccess <> True) Then
    ConsoleWrite("ConnectFailReason: " & $oRest.ConnectFailReason & @CRLF)
    ConsoleWrite($oRest.LastErrorText & @CRLF)
    Exit
EndIf

; 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

$oJson = ObjCreate("Chilkat_9_5_0.JsonObject")
$oJson.UpdateString("ClusterIdentifier","string")
$oJson.UpdateString("ConnectedDatabase","string")
$oJson.UpdateString("Database","string")
$oJson.UpdateString("DbUser","string")
$oJson.UpdateInt("MaxResults",123)
$oJson.UpdateString("NextToken","string")
$oJson.UpdateString("Schema","string")
$oJson.UpdateString("SecretArn","string")
$oJson.UpdateString("Table","string")

; The JSON request body created by the above code:

; {
;   "ClusterIdentifier": "string",
;   "ConnectedDatabase": "string",
;   "Database": "string",
;   "DbUser": "string",
;   "MaxResults": number,
;   "NextToken": "string",
;   "Schema": "string",
;   "SecretArn": "string",
;   "Table": "string"
; }

$oRest.AddHeader("Content-Type","application/x-amz-json-1.1")
$oRest.AddHeader("X-Amz-Target","RedshiftData.DescribeTable")

$oSbRequestBody = ObjCreate("Chilkat_9_5_0.StringBuilder")
$oJson.EmitSb($oSbRequestBody)
$oSbResponseBody = ObjCreate("Chilkat_9_5_0.StringBuilder")
$bSuccess = $oRest.FullRequestSb("POST","/",$oSbRequestBody,$oSbResponseBody)
If ($bSuccess <> True) Then
    ConsoleWrite($oRest.LastErrorText & @CRLF)
    Exit
EndIf

Local $iRespStatusCode = $oRest.ResponseStatusCode
ConsoleWrite("response status code = " & $iRespStatusCode & @CRLF)
If ($iRespStatusCode <> 200) Then
    ConsoleWrite("Response Header:" & @CRLF)
    ConsoleWrite($oRest.ResponseHeader & @CRLF)
    ConsoleWrite("Response Body:" & @CRLF)
    ConsoleWrite($oSbResponseBody.GetAsString() & @CRLF)
    Exit
EndIf

$oJResp = ObjCreate("Chilkat_9_5_0.JsonObject")
$oJResp.LoadSb($oSbResponseBody)

; 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

Local $sColumnDefault
Local $isCaseSensitive
Local $isCurrency
Local $isSigned
Local $sLabel
Local $iLength
Local $sName
Local $iNullable
Local $iPrecision
Local $iScale
Local $schemaName
Local $sTableName
Local $sTypeName

Local $sNextToken = $oJResp.StringOf("NextToken")
Local $sTableName = $oJResp.StringOf("TableName")
Local $i = 0
Local $iCount_i = $oJResp.SizeOfArray("ColumnList")
While $i < $iCount_i
    $oJResp.I = $i
    $sColumnDefault = $oJResp.StringOf("ColumnList[i].columnDefault")
    $isCaseSensitive = $oJResp.IntOf("ColumnList[i].isCaseSensitive")
    $isCurrency = $oJResp.IntOf("ColumnList[i].isCurrency")
    $isSigned = $oJResp.IntOf("ColumnList[i].isSigned")
    $sLabel = $oJResp.StringOf("ColumnList[i].label")
    $iLength = $oJResp.IntOf("ColumnList[i].length")
    $sName = $oJResp.StringOf("ColumnList[i].name")
    $iNullable = $oJResp.IntOf("ColumnList[i].nullable")
    $iPrecision = $oJResp.IntOf("ColumnList[i].precision")
    $iScale = $oJResp.IntOf("ColumnList[i].scale")
    $schemaName = $oJResp.StringOf("ColumnList[i].schemaName")
    $sTableName = $oJResp.StringOf("ColumnList[i].tableName")
    $sTypeName = $oJResp.StringOf("ColumnList[i].typeName")
    $i = $i + 1
Wend

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

; {
;   "ColumnList": [
;     {
;       "columnDefault": "string",
;       "isCaseSensitive": boolean,
;       "isCurrency": boolean,
;       "isSigned": boolean,
;       "label": "string",
;       "length": number,
;       "name": "string",
;       "nullable": number,
;       "precision": number,
;       "scale": number,
;       "schemaName": "string",
;       "tableName": "string",
;       "typeName": "string"
;     }
;   ],
;   "NextToken": "string",
;   "TableName": "string"
; }