org.apache.flink.table.catalog

接口 CatalogBaseTable

所有已知子接口:

CatalogTable, CatalogView, ResolvedCatalogBaseTable<T>

所有已知实现类:

DefaultCatalogTable, ResolvedCatalogTable, ResolvedCatalogView

@PublicEvolving
public interface CatalogBaseTable

A common parent that describes the unresolved metadata of a table or view in a catalog.

另请参阅:

CatalogTable, CatalogView

嵌套类概要

嵌套类

限定符和类型	接口和说明
static class	CatalogBaseTable.TableKind The kind of CatalogBaseTable.

方法概要

限定符和类型	方法和说明
CatalogBaseTable	copy() Get a deep copy of the CatalogBaseTable instance.
String	getComment() Get comment of the table or view.
Optional<String>	getDescription() Get a brief description of the table or view.
Optional<String>	getDetailedDescription() Get a detailed description of the table or view.
Map<String,String>	getOptions() Returns a map of string-based options.
default TableSchema	getSchema() 已过时。 This method returns the deprecated TableSchema class. The old class was a hybrid of resolved and unresolved schema information. It has been replaced by the new Schema which is always unresolved and will be resolved by the framework later.
CatalogBaseTable.TableKind	getTableKind() The kind of table this CatalogBaseTable describes.
default Schema	getUnresolvedSchema() Returns the schema of the table or view.

方法详细资料

getTableKind

CatalogBaseTable.TableKind getTableKind()

The kind of table this CatalogBaseTable describes.

getOptions

Map<String,String> getOptions()

Returns a map of string-based options.

In case of CatalogTable, these options may determine the kind of connector and its configuration for accessing the data in the external system. See DynamicTableFactory for more information.

getSchema

@Deprecated
default TableSchema getSchema()

已过时。 This method returns the deprecated TableSchema class. The old class was a hybrid of resolved and unresolved schema information. It has been replaced by the new Schema which is always unresolved and will be resolved by the framework later.

getUnresolvedSchema

default Schema getUnresolvedSchema()

Returns the schema of the table or view.

The schema can reference objects from other catalogs and will be resolved and validated by the framework when accessing the table or view.

另请参阅:

ResolvedCatalogTable, ResolvedCatalogView

getComment

String getComment()

Get comment of the table or view.

返回:

comment of the table/view.

copy

CatalogBaseTable copy()

Get a deep copy of the CatalogBaseTable instance.

返回:

a copy of the CatalogBaseTable instance

getDescription

Optional<String> getDescription()

Get a brief description of the table or view.

返回:

an optional short description of the table/view

getDetailedDescription

Optional<String> getDetailedDescription()

Get a detailed description of the table or view.

返回:

an optional long description of the table/view