org.apache.drill.exec.planner.sql.handlers

Class ShowTablesHandler

java.lang.Object

org.apache.drill.exec.planner.sql.handlers.AbstractSqlHandler

org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler

org.apache.drill.exec.planner.sql.handlers.ShowTablesHandler

public class ShowTablesHandler
extends DefaultSqlHandler

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler

DefaultSqlHandler.ConvertedRelNode, DefaultSqlHandler.MetaDataProviderModifier

Field Summary

Fields inherited from class org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler

config, context

Constructor Summary

Constructors

Constructor and Description
ShowTablesHandler(SqlHandlerConfig config)

Method Summary

Methods

Modifier and Type	Method and Description
org.apache.calcite.sql.SqlNode	rewrite(org.apache.calcite.sql.SqlNode sqlNode) Rewrite the parse tree as SELECT ...

Methods inherited from class org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler

addRenamedProject, convertToDrel, convertToPlan, convertToPop, convertToPrel, convertToRawDrel, getPlan, getPops, log, log, log, logAndSetTextPlan, transform, transform, validateAndConvert

Methods inherited from class org.apache.drill.exec.planner.sql.handlers.AbstractSqlHandler

unwrap

Methods inherited from class java.lang.Object

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

Constructor Detail

ShowTablesHandler

public ShowTablesHandler(SqlHandlerConfig config)

Method Detail

rewrite

public org.apache.calcite.sql.SqlNode rewrite(org.apache.calcite.sql.SqlNode sqlNode)
                                       throws org.apache.calcite.tools.RelConversionException,
                                              ForemanSetupException

Rewrite the parse tree as SELECT ... FROM INFORMATION_SCHEMA.`TABLES` ...

Overrides:

rewrite in class DefaultSqlHandler

Returns:

Rewritten sql parse tree

Throws:

org.apache.calcite.tools.RelConversionException

ForemanSetupException