程序包 org.apache.flink.table.catalog

接口概要

接口	说明
Catalog	This interface is responsible for reading and writing metadata such as database/table/views/UDFs from a registered catalog.
CatalogBaseTable	A common parent that describes the unresolved metadata of a table or view in a catalog.
CatalogDatabase	Interface of a database in a catalog.
CatalogFunction	Interface for a function in a catalog.
CatalogPartition	Represents a partition object in catalog.
CatalogTable	Represents the unresolved metadata of a table in a Catalog.
CatalogView	Represents the unresolved metadata of a view in a Catalog.
Constraint	Integrity constraints, generally referred to simply as constraints, define the valid states of SQL-data by constraining the values in the base tables.
DataTypeFactory	Factory for creating fully resolved data types that can be used for planning.
ResolvedCatalogBaseTable<T extends CatalogBaseTable>	A common parent that describes the resolved metadata of a table or view in a catalog.
SchemaResolver	Resolves a Schema to a validated ResolvedSchema.
TemporaryOperationListener	This interface is for a Catalog to listen on temporary object operations.

类概要

类	说明
AbstractCatalog	Abstract class for catalogs.
CatalogPartitionSpec	Represents a partition spec object in catalog.
CatalogPropertiesUtil	Utilities for de/serializing Catalog objects into a map of string properties.
Column	Representation of a column in a ResolvedSchema.
Column.ComputedColumn	Representation of a computed column.
Column.MetadataColumn	Representation of a metadata column.
Column.PhysicalColumn	Representation of a physical column.
CommonCatalogOptions	A collection of ConfigOption which are consistently used in multiple catalogs.
DefaultCatalogTable	Default implementation of a CatalogTable.
ObjectIdentifier	Identifies an object in a catalog.
ObjectPath	A database name and object (table/view/function) name combo in a catalog.
ResolvedCatalogTable	A validated CatalogTable that is backed by the original metadata coming from the Catalog but resolved by the framework.
ResolvedCatalogView	A validated CatalogView that is backed by the original metadata coming from the Catalog but resolved by the framework.
ResolvedSchema	Schema of a table or view consisting of columns, constraints, and watermark specifications.
UniqueConstraint	A unique key constraint.
UnresolvedIdentifier	Identifier of an object, such as table, view, function or type in a catalog.
WatermarkSpec	Representation of a watermark specification in a ResolvedSchema.

枚举概要

枚举	说明
CatalogBaseTable.TableKind	The kind of CatalogBaseTable.
Constraint.ConstraintType	Type of the constraint.
FunctionLanguage	Categorizes the language semantics of a CatalogFunction.