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Create an RPA Flow that Connects to PostgreSQL Data in UiPath Studio

Use the PostgreSQL ODBC Driver to create workflows that access real-time PostgreSQL data without any coding.

UiPath is a Robotic Process Automation (RPA) platform with rich features and an easy-to-use UI that enables non-developers to create process automation. By using UiPath Studio, you can build an RPA program just like drawing a diagram. With the CData ODBC Driver for PostgreSQL, users can embed PostgreSQL data in the workflow.

This article walks through using the PostgreSQL ODBC Driver in UiPath Studio to create an RPA program that accesses PostgreSQL data.

Configure the Connection to PostgreSQL

If you have not already, first specify connection properties in an ODBC DSN (data source name). This is the last step of the driver installation. You can use the Microsoft ODBC Data Source Administrator to create and configure ODBC DSNs.

To connect to PostgreSQL, set the Server, Port (the default port is 5432), and Database connection properties and set the User and Password you wish to use to authenticate to the server. If the Database property is not specified, the data provider connects to the user's default database.

Connect UiPath Studio to PostgreSQL Data

Now you are ready to use PostgreSQL data ODBC DSN in UiPath Studio with the following steps.

  1. From the Start page, click Blank to create a New Project.
  2. Click Manage Packages then search for and install UiPath.Database.Activities.
  3. Navigate to the Activities and drop a Flowchart (Workflow -> Flowchart -> Flowchart) onto the process.
  4. Drop a database Connect activity (App Integration -> Datbase -> Connect) after the Start activity.
  5. Double-click the Connect activity and configure the Connection.
    1. Click the Connection Wizard
    2. Select "Microsoft ODBC Data Source"
    3. In Connection Properties, select your DSN (CData PostgreSQL Source) and click OK
  6. To store Connection info, create a variable and bind to Output in the Properties section. Choose DatabaseConnection in Output.

Create an Execute Query Activity

With the connection configured, we are ready to query PostgreSQL data in our RPA.

  1. From the Activities navigation, select Execute Query and drop it on the Flowchart.
  2. Double-click the Execute Query activity and set the properties as follows:
    • ExistingDbConnection: Your Connection variable
    • Sql: SELECT statement like SELECT ShipName, ShipCity FROM Orders
    • DataTable: Create and use a variable with the Type System.Data.DataTable

Create Write CSV Activity

With the Connection and Execute Query activities configured, we are ready to add a Write CSV activity to the Flowchart to replicate the PostgreSQL data.

  1. From the Activities navigation, select Write CSV and drop it after the Execute Query activity.
  2. Double-click the Write CSV activity and set the properties as follows:
    • FilePath: Set to a file (new or existing) on disk (i.e.: C:\UiPath[id]-data.csv
    • DataTable: Set to the DataTable variable you created earlier

Connect the Activities and Run the Flowchart

If they are not already connected, connect each Activity that you created to complete the RPA project for extracting PostgreSQL data and exporting it to CSV.

Click Run to extract PostgreSQL data and create a CSV file.

In this article, we used the CData ODBC Driver for PostgreSQL to create an automation flow that accesses PostgreSQL data in UiPath Studio. Download a free, 30-day trial of the ODBC Driver and start working with live PostgreSQL data in UiPath Studio today!