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

Class GoogleSheetsRootSchema

java.lang.Object

org.apache.drill.exec.store.AbstractSchema

org.apache.drill.exec.store.googlesheets.schema.GoogleSheetsRootSchema

All Implemented Interfaces:

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

public class GoogleSheetsRootSchema
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
GoogleSheetsRootSchema(GoogleSheetsStoragePlugin plugin, SchemaConfig schemaConfig)

Method Summary

Modifier and Type	Method	Description
static String	getFileTokenWithCorrectCase(Map<String,String> tokenMap, String lowercaseToken)	Drill automatically converts the file token to lower case during DDL queries.
AbstractSchema	getSubSchema(String name)
Set<String>	getSubSchemaNames()
org.apache.calcite.schema.Table	getTable(String tableName)
Map<String,String>	getTokenMap()
String	getTypeName()	Returns string describing schema type which shows where the schema came from.

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, getTableNames, getTableNamesAndTypes, getTablesByNames, getType, getTypeMap, getTypeNames, getUser, isMutable, modifyTable, needToImpersonateReadingData, showInInformationSchema, snapshot, toString

Methods inherited from class java.lang.Object

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

Constructor Details

GoogleSheetsRootSchema

public GoogleSheetsRootSchema(GoogleSheetsStoragePlugin plugin,
 SchemaConfig schemaConfig)

Method Details

getSubSchemaNames

public Set<String> getSubSchemaNames()

Specified by:

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

Overrides:

getSubSchemaNames in class AbstractSchema

getSubSchema

public AbstractSchema getSubSchema(String name)

Specified by:

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

Overrides:

getSubSchema in class AbstractSchema

getTable

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

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

getTokenMap

public Map<String,String> getTokenMap()

getFileTokenWithCorrectCase

public static String getFileTokenWithCorrectCase(Map<String,String> tokenMap,
 String lowercaseToken)

Drill automatically converts the file token to lower case during DDL queries. Since Google is case-sensitive, this method insures that we are using the correct file token.

Returns:

A file token in the correct case.