Chilkat Online Tools

DescribeStatement Node.js Example

Amazon Redshift Data API

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node17-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node17-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node17-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node17-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node17-linux64');
    }
} else if (os.platform() == 'darwin') {
    var chilkat = require('@chilkat/ck-node17-macosx');
}

function chilkatExample() {

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

    var rest = new chilkat.Rest();
    var success;

    var authAws = 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
    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) {
        console.log("ConnectFailReason: " + rest.ConnectFailReason);
        console.log(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

    var json = new chilkat.JsonObject();
    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");

    var sbRequestBody = new chilkat.StringBuilder();
    json.EmitSb(sbRequestBody);
    var sbResponseBody = new chilkat.StringBuilder();
    success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody);
    if (success !== true) {
        console.log(rest.LastErrorText);
        return;
    }

    var respStatusCode = rest.ResponseStatusCode;
    console.log("response status code = " + respStatusCode);
    if (respStatusCode !== 200) {
        console.log("Response Header:");
        console.log(rest.ResponseHeader);
        console.log("Response Body:");
        console.log(sbResponseBody.GetAsString());
        return;
    }

    var jResp = new chilkat.JsonObject();
    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;
    var value;

    var ClusterIdentifier = jResp.StringOf("ClusterIdentifier");
    var CreatedAt = jResp.IntOf("CreatedAt");
    var Database = jResp.StringOf("Database");
    var DbUser = jResp.StringOf("DbUser");
    var Duration = jResp.IntOf("Duration");
    var Error = jResp.StringOf("Error");
    var HasResultSet = jResp.IntOf("HasResultSet");
    var Id = jResp.StringOf("Id");
    var QueryString = jResp.StringOf("QueryString");
    var RedshiftPid = jResp.IntOf("RedshiftPid");
    var RedshiftQueryId = jResp.IntOf("RedshiftQueryId");
    var ResultRows = jResp.IntOf("ResultRows");
    var ResultSize = jResp.IntOf("ResultSize");
    var SecretArn = jResp.StringOf("SecretArn");
    var Status = jResp.StringOf("Status");
    var UpdatedAt = jResp.IntOf("UpdatedAt");
    var i = 0;
    var 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;
    }

    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;
    }

    // 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
    // }

}

chilkatExample();