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

Class SystemTables.TablesMetaTable

java.lang.Object

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

org.apache.beam.sdk.extensions.sql.meta.SystemTables.TablesMetaTable

All Implemented Interfaces:

BeamSqlTable

Enclosing class:

SystemTables

public static class SystemTables.TablesMetaTable
extends BaseBeamTable

Constructor Summary

Constructors

Constructor	Description
TablesMetaTable(Catalog catalog, java.lang.String dbName)

Method Summary

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

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 Detail

TablesMetaTable

public TablesMetaTable(Catalog catalog,
                       java.lang.String dbName)

Method Detail

buildIOReader

public org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.Row> buildIOReader(org.apache.beam.sdk.values.PBegin begin)

Description copied from interface: BeamSqlTable

create a PCollection<Row> from source.

buildIOWriter

public org.apache.beam.sdk.values.POutput buildIOWriter(org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.Row> input)

Description copied from interface: BeamSqlTable

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

isBounded

public org.apache.beam.sdk.values.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 org.apache.beam.sdk.schemas.Schema getSchema()

Description copied from interface: BeamSqlTable

Get the schema info of the table.