org.apache.drill.exec.store

Class SchemaTreeProvider

java.lang.Object

org.apache.drill.exec.store.SchemaTreeProvider

All Implemented Interfaces:

AutoCloseable

public class SchemaTreeProvider
extends Object
implements AutoCloseable

Class which creates new schema trees. It keeps track of newly created schema trees and closes them safely as part of close().

Constructor Summary

Constructors

Constructor and Description
SchemaTreeProvider(DrillbitContext dContext)

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
org.apache.calcite.schema.SchemaPlus	createFullRootSchema(SchemaConfig schemaConfig) Create and return a Full SchemaTree with given schemaConfig.
org.apache.calcite.schema.SchemaPlus	createFullRootSchema(String userName, SchemaConfig.SchemaConfigInfoProvider provider) Return full root schema with schema owner as the given user.
org.apache.calcite.schema.SchemaPlus	createRootSchema(OptionManager options) Return root schema for process user.
org.apache.calcite.schema.SchemaPlus	createRootSchema(SchemaConfig schemaConfig) Create and return a SchemaTree with given schemaConfig.
org.apache.calcite.schema.SchemaPlus	createRootSchema(String userName, SchemaConfig.SchemaConfigInfoProvider provider) Return root schema with schema owner as the given user.

Methods inherited from class java.lang.Object

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

Constructor Detail

SchemaTreeProvider

public SchemaTreeProvider(DrillbitContext dContext)

Method Detail

createRootSchema

public org.apache.calcite.schema.SchemaPlus createRootSchema(OptionManager options)

Return root schema for process user.

Parameters:

options - list of options

Returns:

root of the schema tree

createRootSchema

public org.apache.calcite.schema.SchemaPlus createRootSchema(String userName,
                                                    SchemaConfig.SchemaConfigInfoProvider provider)

Return root schema with schema owner as the given user.

Parameters:

userName - Name of the user who is accessing the storage sources.

provider - SchemaConfig.SchemaConfigInfoProvider instance

Returns:

Root of the schema tree.

createRootSchema

public org.apache.calcite.schema.SchemaPlus createRootSchema(SchemaConfig schemaConfig)

Create and return a SchemaTree with given schemaConfig.

Parameters:

schemaConfig -

Returns:

createFullRootSchema

public org.apache.calcite.schema.SchemaPlus createFullRootSchema(String userName,
                                                        SchemaConfig.SchemaConfigInfoProvider provider)

Return full root schema with schema owner as the given user.

Parameters:

userName - Name of the user who is accessing the storage sources.

provider - SchemaConfig.SchemaConfigInfoProvider instance

Returns:

Root of the schema tree.

createFullRootSchema

public org.apache.calcite.schema.SchemaPlus createFullRootSchema(SchemaConfig schemaConfig)

Create and return a Full SchemaTree with given schemaConfig.

Parameters:

schemaConfig -

Returns:

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception