Multi-Catalog Support for Data Sources Like Presto

Alation Cloud Service Applies to Alation Cloud Service instances of Alation

Customer Managed Applies to customer-managed instances of Alation

Applies from version 4.18.0

Presto Execution Engine support for Multiple catalogs:

  • Support for metadata extraction for multiple catalogs, such as Linked Data source as well as Manual setup data source.

Currently Presto supports multiple data sources as follows:

  • Hive

  • MySQL

  • PostgreSQL

  • Amazon Redshift

  • Teradata

This feature is enabled in alation_conf or using Feature Configuration.

In Labs (Feature Configuration), turn on the corresponding switch: Enable Presto Database Type with multiple catalogs:


Alternatively, you can enable this feature on the Alation Server backend from the Alation shell using the dedicated alation_conf command:

alation_conf alation.feature_flags.enable_datasource_presto_multicatalog -s True

Also see: