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CatalogPlugin

CatalogPlugin is an abstraction of external table catalogs.

Demo: Developing CatalogPlugin

Learn more in Demo: Developing CatalogPlugin.

CatalogHelper

CatalogHelper is a Scala implicit class of CatalogPlugin with extensions methods.

Contract

Default Namespace

String[] defaultNamespace()

Default namespace

Default: (empty)

Used when:

Initializing CatalogPlugin

void initialize(
  String name,
  CaseInsensitiveStringMap options)

Used when:

Name

String name()

SHOW CURRENT NAMESPACE

Use ShowCurrentNamespaceExec physical command to display the name.

Implementations


Last update: 2020-12-28
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