org.apache.drill.exec.store.ischema

Class InfoSchemaRecordGenerator.Catalogs

java.lang.Object

org.apache.drill.exec.store.ischema.InfoSchemaRecordGenerator<Records.Catalog>

org.apache.drill.exec.store.ischema.InfoSchemaRecordGenerator.Catalogs

Enclosing class:

InfoSchemaRecordGenerator<S>

public static class InfoSchemaRecordGenerator.Catalogs
extends InfoSchemaRecordGenerator<Records.Catalog>

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.drill.exec.store.ischema.InfoSchemaRecordGenerator

InfoSchemaRecordGenerator.Catalogs, InfoSchemaRecordGenerator.Columns, InfoSchemaRecordGenerator.Schemata, InfoSchemaRecordGenerator.Tables, InfoSchemaRecordGenerator.Views

Field Summary

Fields inherited from class org.apache.drill.exec.store.ischema.InfoSchemaRecordGenerator

filter, optionManager

Constructor Summary

Constructors

Constructor and Description
InfoSchemaRecordGenerator.Catalogs(OptionManager optionManager)

Method Summary

Methods

Modifier and Type	Method and Description
PojoRecordReader<Records.Catalog>	getRecordReader()
boolean	visitCatalog() Visit the catalog.

Methods inherited from class org.apache.drill.exec.store.ischema.InfoSchemaRecordGenerator

scanSchema, setInfoSchemaFilter, shouldVisitCatalog, shouldVisitColumn, shouldVisitSchema, shouldVisitTable, visitField, visitSchema, visitTable, visitTables

Methods inherited from class java.lang.Object

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

Constructor Detail

InfoSchemaRecordGenerator.Catalogs

public InfoSchemaRecordGenerator.Catalogs(OptionManager optionManager)

Method Detail

getRecordReader

public PojoRecordReader<Records.Catalog> getRecordReader()

Specified by:

getRecordReader in class InfoSchemaRecordGenerator<Records.Catalog>

visitCatalog

public boolean visitCatalog()

Description copied from class: InfoSchemaRecordGenerator

Visit the catalog. Drill has only one catalog.

Overrides:

visitCatalog in class InfoSchemaRecordGenerator<Records.Catalog>

Returns:

Whether to continue exploring the contents of the catalog or not. Contents are schema/schema tree.