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USE

The USE command enables you to specify the context to be used for the current query session. When running Arctic-specific queries, this command enables you to change the reference for the current query session.

Syntax
USE { <path> | { REF[ERENCE] | BRANCH | TAG | COMMIT <reference_name> } }
   [ IN <catalog_name> ]

Parameters​

<path> String

The path that you want to use.

USE { REF[ERENCE] | BRANCH | TAG | COMMIT } <reference_name> String

For Arctic-specific queries, you can change the reference for the current SQL session:

  • REF: Changes the reference to the specified branch, tag, or commit.
  • BRANCH: Changes the reference to the specified branch.
  • TAG: Changes the reference to the specified tag.
  • COMMIT: Changes the reference to the specified commit. Commit hashes must be enclosed in double quotes (for example, “ff2fe50fef5a030c4fc8e61b252bdc33c72e2b6f929d813833d998b8368302e2”).

IN <catalog_name> String   Optional

The name of the Arctic catalog where you want to change the reference. When this parameter is not used, the current Arctic catalog in the query context is used.

Examples​

Use the demo source
USE Samples."samples.dremio.com"
Use the specified branch as the reference for the current Arctic query session
USE BRANCH myBranch
Use the specified reference for the current Arctic query session in the specified catalog
USE BRANCH myBranch
IN myCatalog