com.facebook.presto.hive

Class HivePageSourceProvider.ColumnMapping

java.lang.Object

com.facebook.presto.hive.HivePageSourceProvider.ColumnMapping

Enclosing class:

HivePageSourceProvider

public static class HivePageSourceProvider.ColumnMapping
extends Object

Method Summary

Modifier and Type	Method and Description
static List<HivePageSourceProvider.ColumnMapping>	buildColumnMappings(List<HivePartitionKey> partitionKeys, List<HiveColumnHandle> columns, Map<Integer,HiveType> columnCoercions, org.apache.hadoop.fs.Path path, OptionalInt bucketNumber)
static List<HiveColumnHandle>	extractRegularColumnHandles(List<HivePageSourceProvider.ColumnMapping> regularColumnMappings, boolean doCoercion)
static List<HivePageSourceProvider.ColumnMapping>	extractRegularColumnMappings(List<HivePageSourceProvider.ColumnMapping> columnMappings)
Optional<HiveType>	getCoercionFrom()
HiveColumnHandle	getHiveColumnHandle()
int	getIndex()
String	getPrefilledValue()
boolean	isPrefilled()

Methods inherited from class java.lang.Object

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

Method Detail

isPrefilled

public boolean isPrefilled()

getPrefilledValue

public String getPrefilledValue()

getHiveColumnHandle

public HiveColumnHandle getHiveColumnHandle()

getIndex

public int getIndex()

getCoercionFrom

public Optional<HiveType> getCoercionFrom()

buildColumnMappings

public static List<HivePageSourceProvider.ColumnMapping> buildColumnMappings(List<HivePartitionKey> partitionKeys,
                                                                             List<HiveColumnHandle> columns,
                                                                             Map<Integer,HiveType> columnCoercions,
                                                                             org.apache.hadoop.fs.Path path,
                                                                             OptionalInt bucketNumber)

extractRegularColumnMappings

public static List<HivePageSourceProvider.ColumnMapping> extractRegularColumnMappings(List<HivePageSourceProvider.ColumnMapping> columnMappings)

extractRegularColumnHandles

public static List<HiveColumnHandle> extractRegularColumnHandles(List<HivePageSourceProvider.ColumnMapping> regularColumnMappings,
                                                                 boolean doCoercion)