Package org.apache.drill.exec.store.drill.plugin.schema

Class DrillPluginSchema

java.lang.Object

org.apache.drill.exec.store.AbstractSchema

org.apache.drill.exec.store.drill.plugin.schema.DrillPluginSchema

All Implemented Interfaces:

AutoCloseable, org.apache.calcite.schema.Schema, SchemaPartitionExplorer

public class DrillPluginSchema
extends AbstractSchema

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.calcite.schema.Schema

org.apache.calcite.schema.Schema.TableType

Field Summary

Fields inherited from class org.apache.drill.exec.store.AbstractSchema

name, SCHEMA_SEPARATOR, schemaPath

Constructor Summary

Constructors

Constructor	Description
DrillPluginSchema(DrillStoragePlugin plugin, String name, String userName)

Method Summary

Modifier and Type	Method	Description
AbstractSchema	getSubSchema(String name)
Set<String>	getSubSchemaNames()
org.apache.calcite.schema.Table	getTable(String name)
Set<String>	getTableNames()
String	getTypeName()	Returns string describing schema type which shows where the schema came from.
boolean	showInInformationSchema()	Reports whether to show items from this schema in INFORMATION_SCHEMA tables.

Methods inherited from class org.apache.drill.exec.store.AbstractSchema

appendToStatsTable, applyFunctionParameters, areTableNamesCaseSensitive, close, createNewTable, createNewTable, createStatsTable, createView, dropTable, dropView, getDefaultSchema, getExpression, getFullSchemaName, getFunctionNames, getFunctionParameters, getFunctions, getName, getSchemaPath, getStatsTable, getSubPartitions, getTableNamesAndTypes, getTablesByNames, getType, getTypeMap, getTypeNames, getUser, isMutable, modifyTable, needToImpersonateReadingData, snapshot, toString

Methods inherited from class java.lang.Object

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

Constructor Details

DrillPluginSchema

public DrillPluginSchema(DrillStoragePlugin plugin,
 String name,
 String userName)

Method Details

getSubSchema

public AbstractSchema getSubSchema(String name)

Specified by:

getSubSchema in interface org.apache.calcite.schema.Schema

Overrides:

getSubSchema in class AbstractSchema

showInInformationSchema

public boolean showInInformationSchema()

Description copied from class: AbstractSchema

Reports whether to show items from this schema in INFORMATION_SCHEMA tables. (Controls ... TODO: Doc.: Mention what this typically controls or affects.)

This base implementation returns true.

Overrides:

showInInformationSchema in class AbstractSchema

getSubSchemaNames

public Set<String> getSubSchemaNames()

Specified by:

getSubSchemaNames in interface org.apache.calcite.schema.Schema

Overrides:

getSubSchemaNames in class AbstractSchema

getTable

public org.apache.calcite.schema.Table getTable(String name)

Specified by:

getTable in interface org.apache.calcite.schema.Schema

Overrides:

getTable in class AbstractSchema

getTypeName

public String getTypeName()

Description copied from class: AbstractSchema

Returns string describing schema type which shows where the schema came from. Good practice here is to return json type name of storage plugin's config.

Specified by:

getTypeName in class AbstractSchema

Returns:

schema type name

getTableNames

public Set<String> getTableNames()

Specified by:

getTableNames in interface org.apache.calcite.schema.Schema

Overrides:

getTableNames in class AbstractSchema