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.
CatalogLock	An interface that allows source and sink to use global lock to some transaction-related things.
CatalogLock.Factory	Factory to create CatalogLock.
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.
TableChange	TableChange represents the modification of the table.
TableChange.ColumnPosition	The position of the modified or added column.
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.
TableChange.AddColumn	A table change to add a column.
TableChange.AddUniqueConstraint	A table change to add a unique constraint.
TableChange.AddWatermark	A table change to add a watermark.
TableChange.After	Column position AFTER means the specified column should be put after the given `column`.
TableChange.DropColumn	A table change to drop the column.
TableChange.DropConstraint	A table change to drop the constraints.
TableChange.DropWatermark	A table change to drop the watermark.
TableChange.First	Column position FIRST means the specified column should be the first column.
TableChange.ModifyColumn	A base schema change to modify a column.
TableChange.ModifyColumnComment	A table change to modify the column comment.
TableChange.ModifyColumnName	A table change to modify the column name.
TableChange.ModifyColumnPosition	A table change to modify the column position.
TableChange.ModifyPhysicalColumnType	A table change that modify the physical column data type.
TableChange.ModifyUniqueConstraint	A table change to modify a unique constraint.
TableChange.ModifyWatermark	A table change to modify the watermark.
TableChange.ResetOption	A table change to reset the table option.
TableChange.SetOption	A table change to set the table option.
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.