org.apache.beam.sdk.extensions.sql.impl.schema

Interface BeamSqlTable

All Known Implementing Classes:

BaseBeamTable, BeamKafkaCSVTable, BeamKafkaTable, BeamPCollectionTable, BeamTextCSVTable, BeamTextTable

public interface BeamSqlTable

This interface defines a Beam Sql Table.

Method Summary

Modifier and Type	Method and Description
PCollection<BeamRecord>	buildIOReader(Pipeline pipeline) create a PCollection<BeamSqlRow> from source.
PTransform<? super PCollection<BeamRecord>,PDone>	buildIOWriter() create a IO.write() instance to write to target.
BeamRecordSqlType	getRowType() Get the schema info of the table.
BeamIOType	getSourceType() In Beam SQL, there's no difference between a batch query and a streaming query.

Method Detail

getSourceType

BeamIOType getSourceType()

In Beam SQL, there's no difference between a batch query and a streaming query. BeamIOType is used to validate the sources.

buildIOReader

PCollection<BeamRecord> buildIOReader(Pipeline pipeline)

create a PCollection<BeamSqlRow> from source.

buildIOWriter

PTransform<? super PCollection<BeamRecord>,PDone> buildIOWriter()

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

getRowType

BeamRecordSqlType getRowType()

Get the schema info of the table.