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

Class HCatalogTable

java.lang.Object

org.apache.beam.sdk.extensions.sql.meta.BaseBeamTable

org.apache.beam.sdk.extensions.sql.meta.provider.hcatalog.HCatalogTable

All Implemented Interfaces:

BeamSqlTable

public abstract class HCatalogTable
extends BaseBeamTable

Beam SQL table that wraps HCatalogIO.

Reads HCatRecords and converts them to Rows.

Constructor Summary

Constructors

Constructor	Description
HCatalogTable()

Method Summary

Modifier and Type	Method	Description
PCollection<Row>	buildIOReader(PBegin begin)	create a PCollection<Row> from source.
POutput	buildIOWriter(PCollection<Row> input)	create a IO.write() instance to write to target.
abstract Map<String,String>	config()
abstract String	database()
Schema	getSchema()	Get the schema info of the table.
PCollection.IsBounded	isBounded()	Whether this table is bounded (known to be finite) or unbounded (may or may not be finite).
abstract Schema	schema()
abstract String	table()

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

buildIOReader, constructFilter, getTableStatistics, supportsProjects

Methods inherited from class java.lang.Object

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

Constructor Details

HCatalogTable

public HCatalogTable()

Method Details

schema

public abstract Schema schema()

config

public abstract Map<String,String> config()

database

public abstract String database()

table

public abstract String table()

buildIOReader

public PCollection<Row> buildIOReader(PBegin begin)

Description copied from interface: BeamSqlTable

create a PCollection<Row> from source.

buildIOWriter

public POutput buildIOWriter(PCollection<Row> input)

Description copied from interface: BeamSqlTable

create a IO.write() instance to write to target.

isBounded

public PCollection.IsBounded isBounded()

Description copied from interface: BeamSqlTable

Whether this table is bounded (known to be finite) or unbounded (may or may not be finite).

getSchema

public Schema getSchema()

Description copied from interface: BeamSqlTable

Get the schema info of the table.