Chilkat Online Tools

DescribeStatement Go Example

Amazon Redshift Data API

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

    rest := chilkat.NewRest()
    var success bool

    authAws := chilkat.NewAuthAws()
    authAws.SetAccessKey("AWS_ACCESS_KEY")
    authAws.SetSecretKey("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.SetRegion("us-west-2")
    authAws.SetServiceName("redshift-data")
    // SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
    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 {
        fmt.Println("ConnectFailReason: ", rest.ConnectFailReason())
        fmt.Println(rest.LastErrorText())
        rest.DisposeRest()
        authAws.DisposeAuthAws()
        return
    }

    // 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 := chilkat.NewJsonObject()
    json.UpdateString("Id","string")

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

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

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

    sbRequestBody := chilkat.NewStringBuilder()
    json.EmitSb(sbRequestBody)
    sbResponseBody := chilkat.NewStringBuilder()
    success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody)
    if success != true {
        fmt.Println(rest.LastErrorText())
        rest.DisposeRest()
        authAws.DisposeAuthAws()
        json.DisposeJsonObject()
        sbRequestBody.DisposeStringBuilder()
        sbResponseBody.DisposeStringBuilder()
        return
    }

    respStatusCode := rest.ResponseStatusCode()
    fmt.Println("response status code = ", respStatusCode)
    if respStatusCode != 200 {
        fmt.Println("Response Header:")
        fmt.Println(rest.ResponseHeader())
        fmt.Println("Response Body:")
        fmt.Println(*sbResponseBody.GetAsString())
        rest.DisposeRest()
        authAws.DisposeAuthAws()
        json.DisposeJsonObject()
        sbRequestBody.DisposeStringBuilder()
        sbResponseBody.DisposeStringBuilder()
        return
    }

    jResp := chilkat.NewJsonObject()
    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

name_DECLARATION
value_DECLARATION

    ClusterIdentifier := jResp.StringOf("ClusterIdentifier")
    CreatedAt := jResp.IntOf("CreatedAt")
    Database := jResp.StringOf("Database")
    DbUser := jResp.StringOf("DbUser")
    Duration := jResp.IntOf("Duration")
    Error := jResp.StringOf("Error")
    HasResultSet := jResp.IntOf("HasResultSet")
    Id := jResp.StringOf("Id")
    QueryString := jResp.StringOf("QueryString")
    RedshiftPid := jResp.IntOf("RedshiftPid")
    RedshiftQueryId := jResp.IntOf("RedshiftQueryId")
    ResultRows := jResp.IntOf("ResultRows")
    ResultSize := jResp.IntOf("ResultSize")
    SecretArn := jResp.StringOf("SecretArn")
    Status := jResp.StringOf("Status")
    UpdatedAt := jResp.IntOf("UpdatedAt")
    i := 0
    count_i := jResp.SizeOfArray("QueryParameters")
    for i < count_i {
        jResp.SetI(i)
        name = *jResp.StringOf("QueryParameters[i].name")
        value = *jResp.StringOf("QueryParameters[i].value")
        i = i + 1
    }

    i = 0
    count_i = jResp.SizeOfArray("SubStatements")
    for i < count_i {
        jResp.SetI(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
    }

    // 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
    // }

    rest.DisposeRest()
    authAws.DisposeAuthAws()
    json.DisposeJsonObject()
    sbRequestBody.DisposeStringBuilder()
    sbResponseBody.DisposeStringBuilder()
    jResp.DisposeJsonObject()