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Analyze Greenplum Data in Infragistics Reveal
Use the CData API Server to create an OData API on top of Greenplum data and visualize live Greenplum data in Ingragistics Reveal.
Reveal is a data visualization solution provided by Infragistics and can be paired with the CData API Server and Greenplum ADO.NET Provider to build dynamic dashboards from live Greenplum data. The CData API Server generates an OData API for Greenplum, which is natively consumable in Reveal. In this article, we walk through connecting to Greenplum in API Server and connecting to the API Server from Infragistics Reveal to create a simple dashboard.
Connect to Greenplum from API Server
CData API Server uses a straightforward, point-and-click interface to connect to data sources and generate APIs.
- Open API Server and click Settings -> Connection -> Add Connection
- Select "Greenplum"
- Enter the necessary authentication properties to connect to Greenplum.
To connect to Greenplum, 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 default database for the authenticate user is used.
Add Greenplum Resource Definitions in API Server
After connecting to Greenplum, create Resources, which represent API endpoints for Greenplum data.
- Click Settings -> Resources -> Add Resource
- Select the Greenplum connection
- Select the table you wish to retrieve and click Next
- (Optional) Edit the resource to select specific fields and more
- Save the settings
Add an API Server User
Create a User to connect to Greenplum from Reveal through API Server.
- Click Settings -> Users
- Click Add
- Configure a User with access to the Greenplum Connection and Resource(s)
(Optional) Configure Cross-Origin Resource Sharing (CORS)
When accessing and connecting to multiple different domains from an application such as Ajax, there is a possibility of violating the limitations of cross-site scripting. In that case, configure the CORS settings in Settings -> Server.
- Enable cross-origin resource sharing (CORS): ON
- Allow all domains without '*': ON
- Access-Control-Allow-Methods: GET, PUT, POST, OPTIONS
- Access-Control-Allow-Headers: Authorization
Save the changes to the settings.
Create a Dashboard in Reveal
With the API Server configured, we can visualize Greenplum data in Reveal.
- Log into Reveal and click Dashboards -> New
- Click Data Source -> OData Feed
- Specify the API Server API endpoint URL, for example: https://serverurl/api.rsc
- Select Generic Credentials and specify the API Server username and authentication token
- Select the entity you wish to visualize
- Select fields and choose a chart type
More Information & Free Trial
At this point, you have created a simple dashboard from live Greenplum data. For more information on creating OData feeds from Greenplum (and more than 150 other sources), visit the API Server page. Download a free, 30-day trial and start working live Greenplum data in tools that consume OData APIs.
