Package org.apache.beam.sdk.extensions.sql.meta.provider.delta

Class DeltaTableProvider

java.lang.Object

org.apache.beam.sdk.extensions.sql.meta.provider.InMemoryMetaTableProvider

org.apache.beam.sdk.extensions.sql.meta.provider.delta.DeltaTableProvider

All Implemented Interfaces:

TableProvider

@AutoService(TableProvider.class)
public class DeltaTableProvider
extends InMemoryMetaTableProvider

TableProvider for Delta Lake tables.

A sample of Delta Lake table registration is:

 CREATE EXTERNAL TABLE orders(
   id INTEGER,
   name VARCHAR,
   amount DOUBLE
 )
 TYPE 'delta'
 LOCATION '/path/to/delta/orders'
 TBLPROPERTIES '{"version": 1}'
 

Constructor Summary

Constructors

Constructor	Description
DeltaTableProvider()

Method Summary

Modifier and Type	Method	Description
BeamSqlTable	buildBeamSqlTable(Table table)	Build a BeamSqlTable using the given table meta info.
void	createTable(Table table)	Creates a table.
String	getTableType()	Gets the table type this provider handles.
boolean	supportsPartitioning(Table table)

Methods inherited from class org.apache.beam.sdk.extensions.sql.meta.provider.InMemoryMetaTableProvider

dropTable, getTables

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.beam.sdk.extensions.sql.meta.provider.TableProvider

alterTable, getSubProvider, getSubProviders, getTable

Constructor Details

DeltaTableProvider

public DeltaTableProvider()

Method Details

getTableType

public String getTableType()

Description copied from interface: TableProvider

Gets the table type this provider handles.

createTable

public void createTable(Table table)

Description copied from interface: TableProvider

Creates a table.

Specified by:

createTable in interface TableProvider

Overrides:

createTable in class InMemoryMetaTableProvider

buildBeamSqlTable

public BeamSqlTable buildBeamSqlTable(Table table)

Description copied from interface: TableProvider

Build a BeamSqlTable using the given table meta info.

supportsPartitioning

public boolean supportsPartitioning(Table table)