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Get the Report →Analyze PostgreSQL Data in Looker
Use CData Connect Cloud to connect to PostgreSQL Data from Looker and build custom apps using live PostgreSQL data.
Looker is a business intelligence and big data analytics platform that helps you explore, analyze and share real-time business analytics. When paired with CData Connect Cloud, you get instant, cloud-to-cloud access to PostgreSQL data for business applications. This article shows how to connect to PostgreSQL in Connect Cloud and then connect to PostgreSQL data in Looker.
CData Connect Cloud provides a pure cloud-to-cloud interface for PostgreSQL, allowing you to build reports from live PostgreSQL data in Looker — without replicating the data to a natively supported database. As you create applications to work with data, Looker generates SQL queries to gather data. Using optimized data processing out of the box, CData Connect Cloud pushes all supported SQL operations (filters, JOINs, etc.) directly to PostgreSQL, leveraging server-side processing to quickly return the requested PostgreSQL data.
Configure PostgreSQL Connectivity for Looker
Connectivity to PostgreSQL from Looker is made possible through CData Connect Cloud. To work with PostgreSQL data from Looker, we start by creating and configuring a PostgreSQL connection.
- Log into Connect Cloud, click Connections and click Add Connection
- Select "PostgreSQL" from the Add Connection panel
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Enter the necessary authentication properties to connect to PostgreSQL.
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.
- Click Create & Test
- Navigate to the Permissions tab in the Add PostgreSQL Connection page and update the User-based permissions.
Add a Personal Access Token
If you are connecting from a service, application, platform, or framework that does not support OAuth authentication, you can create a Personal Access Token (PAT) to use for authentication. Best practices would dictate that you create a separate PAT for each service, to maintain granularity of access.
- Click on your username at the top right of the Connect Cloud app and click User Profile.
- On the User Profile page, scroll down to the Personal Access Tokens section and click Create PAT.
- Give your PAT a name and click Create.
- The personal access token is only visible at creation, so be sure to copy it and store it securely for future use.
With the connection configured, you are ready to connect to PostgreSQL data from Looker.
Connect to PostgreSQL in Looker
The steps below outline connecting to CData Connect Cloud from Looker to create a new PostgreSQL data source.
- Log-in to Looker
- In the navigation pane, select Admin.
- Under the Database category, select Connections.
- On the Connections page, click Add Connection.
- Enter the connection settings:
- Name: the name for the connection in models.
- Dialect: select Microsoft SQL Server 2017+.
- SSH Server: leave this disabled.
- Remote Host:Port: enter tds.cdata.com in the first field and 14333 in the second field.
- Database: enter the Connection Name of the CData Connect Cloud data source you want to connect to (for example, QuickBooksOnline1).
- Username: enter your CData Connect Cloud username. This is displayed in the top-right corner of the CData Connect Cloud interface. For example, [email protected]
- Password: enter the PAT you generated on the Settings page
- At the bottom of the page, click Test These Settings to ensure that you can connect to CData Connect Cloud.
- Click Add Connection to create the connection and return to the Connections page.
Your connection is now available for use in Looker. To connect to additional data sources from your CData Connect Cloud account, repeat the setup steps above, changing the value for Database for each data source.
Creating A Looker Visualization From The SQL Runner and Explore Features
To create a visualization in Looker using the SQL Runner, follow these steps:
- In the Looker interface, select Develop -> SQL Runner from the left navigation pane.
- On the SQL Runner interface, select the connection you made in the previous steps.
- Now, click the gear symbol next to a table and then select Explore Table.
- Next, on the left menu, select fields from the table and click Run. You can now expand the Visualization accordion, and see a bar chart, by default.
We have now created a visualization of PostgreSQL data in Looker using CData Connect Cloud!
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