Chilkat Online Tools

DescribeStatement Swift3 Example

Amazon Redshift Data API

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

    let rest = CkoRest()!
    var success: Bool

    let authAws = CkoAuthAws()!
    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
    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", port: 443, tls: true, autoReconnect: true)
    if success != true {
        print("ConnectFailReason: \(rest.connectFailReason.intValue)")
        print("\(rest.lastErrorText!)")
        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

    let json = CkoJsonObject()!
    json.update("Id", value: "string")

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

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

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

    let sbRequestBody = CkoStringBuilder()!
    json.emitSb(sbRequestBody)
    let sbResponseBody = CkoStringBuilder()!
    success = rest.fullRequestSb("POST", uriPath: "/", requestBody: sbRequestBody, responseBody: sbResponseBody)
    if success != true {
        print("\(rest.lastErrorText!)")
        return
    }

    var respStatusCode: Int = rest.responseStatusCode.intValue
    print("response status code = \(respStatusCode)")
    if respStatusCode != 200 {
        print("Response Header:")
        print("\(rest.responseHeader!)")
        print("Response Body:")
        print("\(sbResponseBody.getAsString()!)")
        return
    }

    let jResp = CkoJsonObject()!
    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

    var name: String?
    var value: String?

    var ClusterIdentifier: String? = jResp.string(of: "ClusterIdentifier")
    var CreatedAt: Int = jResp.int(of: "CreatedAt").intValue
    var Database: String? = jResp.string(of: "Database")
    var DbUser: String? = jResp.string(of: "DbUser")
    var Duration: Int = jResp.int(of: "Duration").intValue
    var Error: String? = jResp.string(of: "Error")
    var HasResultSet: Int = jResp.int(of: "HasResultSet").intValue
    var Id: String? = jResp.string(of: "Id")
    var QueryString: String? = jResp.string(of: "QueryString")
    var RedshiftPid: Int = jResp.int(of: "RedshiftPid").intValue
    var RedshiftQueryId: Int = jResp.int(of: "RedshiftQueryId").intValue
    var ResultRows: Int = jResp.int(of: "ResultRows").intValue
    var ResultSize: Int = jResp.int(of: "ResultSize").intValue
    var SecretArn: String? = jResp.string(of: "SecretArn")
    var Status: String? = jResp.string(of: "Status")
    var UpdatedAt: Int = jResp.int(of: "UpdatedAt").intValue
    var i: Int = 0
    var count_i: Int = jResp.size(ofArray: "QueryParameters").intValue
    while i < count_i {
        jResp.i = i
        name = jResp.string(of: "QueryParameters[i].name")
        value = jResp.string(of: "QueryParameters[i].value")
        i = i + 1
    }

    i = 0
    count_i = jResp.size(ofArray: "SubStatements").intValue
    while i < count_i {
        jResp.i = i
        CreatedAt = jResp.int(of: "SubStatements[i].CreatedAt").intValue
        Duration = jResp.int(of: "SubStatements[i].Duration").intValue
        Error = jResp.string(of: "SubStatements[i].Error")
        HasResultSet = jResp.int(of: "SubStatements[i].HasResultSet").intValue
        Id = jResp.string(of: "SubStatements[i].Id")
        QueryString = jResp.string(of: "SubStatements[i].QueryString")
        RedshiftQueryId = jResp.int(of: "SubStatements[i].RedshiftQueryId").intValue
        ResultRows = jResp.int(of: "SubStatements[i].ResultRows").intValue
        ResultSize = jResp.int(of: "SubStatements[i].ResultSize").intValue
        Status = jResp.string(of: "SubStatements[i].Status")
        UpdatedAt = jResp.int(of: "SubStatements[i].UpdatedAt").intValue
        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
    // }

}