Create HPCC Systems-Connected Nintex Workflows

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Use CData Connect Cloud to connect to HPCC Systems from Nintex Workflow Cloud and build custom workflows using live HPCC Systems data.

Nintex Workflow Cloud is a cloud-based platform where you can design workflows to automate simple or complex processes using drag-and-drop interactions — without writing any code. When paired with CData Connect Cloud, you get instant, cloud-to-cloud access to HPCC Systems data for business applications. This article shows how to create a virtual database for HPCC Systems in Connect Cloud and build a simple workflow from HPCC Systems data in Nintex.

CData Connect Cloud provides a pure MySQL, cloud-to-cloud interface for HPCC Systems, allowing you to build workflows from live HPCC Systems data in Nintex Workflow Cloud — without replicating the data to a natively supported database. Nintex allows you to access data directly using SQL queries. Using optimized data processing out of the box, CData Connect Cloud pushes all supported SQL operations (filters, JOINs, etc.) directly to HPCC Systems, leveraging server-side processing to quickly return the requested HPCC Systems data.

Create a Virtual MySQL Database for HPCC Systems Data

CData Connect Cloud uses a straightforward, point-and-click interface to connect to data sources and generate APIs.

  1. Log into Connect Cloud and click Databases.
  2. Select "HPCC Systems" from Available Data Sources.
  3. Enter the necessary authentication properties to connect to HPCC Systems.

    To connect, set the following connection properties: Set URL to the machine name or IP address of the server and the port the server is running on, for example, https://server:port. The User and Password are required to authenticate to the HPCC Systems cluster specified in the URL. Note that LDAP authentication is not currently supported by our ODBC driver.

    Set Version to the WsSQL Web server version. Note that if you have not already done so, you will need to install the WsSQL service on the HPCC Systems server. The WsSQL Web service is used to interact with the underlying HPCC Systems platform.

    Set Cluster to the target cluster.

  4. Click Test Database.
  5. Click Privileges -> Add and add the new user (or an existing user) with the appropriate permissions.

With the virtual database created, you are ready to connect to HPCC Systems data from Nintex.

Connect to HPCC Systems in Nintex

The steps below outline creating a new connection for access to HPCC Systems CData Connect Cloud from Nintex to create a new HPCC Systems data source.

  1. Log into Nintex Workflow Cloud
  2. In the Connections tab, click "Add new"
  3. Select MySQL as the connector and click "Connect"
  4. In the MySQL connection wizard, set the following properties:
    • Connection Name: name the connection (e.g., CData Connect Cloud HPCC Systems Connection)
    • Username: your Connect Cloud username
    • Password: your Connect Cloud password
    • Database Host: your Connect Cloud MySQL endpoint (e.g., myinstance.cdatacloud.net)
    • Database Name: the virtual HPCC Systems database (e.g., HPCC1)
  5. Click "Connect"
  6. Configure the connection permissions and click "Save permissions"

Create a Simple HPCC Systems Workflow

With the connection to CData Connect Cloud configured, we are ready to build a simple workflow to access HPCC Systems data. Start by clicking the "Create workflow" button.

Configure the Start Event Action

  1. Click the start event task and select the "Form" event
  2. Click "Design form"
  3. Drag a "Text - Long" element onto the Form and click the element to configure it
    • Set "Title" to "Enter SQL query"
    • Set "Required" to true
  4. Drag a "Text - Short" element onto the Form and click the element to configure it
    • Set "Title" to "Enter desired result column"
    • Set "Required" to true

Configure an "Execute a Query" Action

  1. Add an "Execute a query" action after the "Start event: Form" action and click to configure the action
  2. Set "SQL Script" to the "Enter SQL Query" variable from the "Start event" action
  3. Set "Column to retrieve" to the "Enter desired result column" variable from the "Start event" action
  4. Set "Retrieved column" to a new variable (e.g., "values")

Configure a "Send an Email" Action

  1. Add a "Send an email" action after the "Execute a query" action and click to configure the action
  2. Set the "Recipient email address"
  3. Set the "Subject"
  4. Set the "Message body" to the variable created for the retrieved column

Once you configure the actions, click "Save," name the Workflow, and click "Save" again. You now have a simple workflow that will query HPCC Systems using SQL and send an email with the results.

To learn more about SQL data access to 200+ SaaS, Big Data, and NoSQL sources directly from your cloud applications, check out the CData Connect Cloud. Sign up for a free trial and reach out to our Support Team if you have any questions.