Module catalog

Catalog module providing interfaces for managing Iceberg tables and metadata.

The catalog system is a core component of Apache Iceberg that manages:

• Table metadata and schemas
• Namespace organization
• Storage locations and object stores
• Atomic updates and versioning

Key Components

• Catalog: Core trait for managing tables, views, and namespaces
• CatalogList: Interface for managing multiple catalogs
• namespace: Types for organizing tables into hierarchies
• identifier: Types for uniquely identifying catalog objects

Common Operations

• Creating and managing tables and views
• Organizing tables into namespaces
• Tracking table metadata and history
• Managing storage locations
• Performing atomic updates

Modules

commit

Commit operations for atomic metadata updates in Iceberg catalogs

create

Creation interfaces for Iceberg catalog objects

identifier

Catalog identifier

namespace

Catalog namespace

tabular

Provides the [Relation] enum to refer to any queriable entity like a table or a view

Traits

Catalog

A trait representing an Iceberg catalog that manages tables, views, and namespaces.

CatalogList

A trait representing a collection of Iceberg catalogs that can be accessed by name.