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

Class SchemaHandler.Describe

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.SchemaHandler

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

Enclosing class:

SchemaHandler

public static class SchemaHandler.Describe
extends SchemaHandler

DESCRIBE SCHEMA FOR TABLE command handler.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	SchemaHandler.Describe.SchemaResult	Wrapper to output schema in a form of table with one column named `schema`.

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

SchemaHandler.Add, SchemaHandler.Create, SchemaHandler.Describe, SchemaHandler.Drop, SchemaHandler.Remove

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	Description
Describe(SqlHandlerConfig config)

Method Summary

Modifier and Type	Method	Description
PhysicalPlan	getPlan(org.apache.calcite.sql.SqlNode sqlNode)

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

getWorkspaceSchema

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

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

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 Details

Describe

public Describe(SqlHandlerConfig config)

Method Details

getPlan

public PhysicalPlan getPlan(org.apache.calcite.sql.SqlNode sqlNode)

Overrides:

getPlan in class DefaultSqlHandler