org.apache.hadoop.hive.ql.stats

Class ColStatsProcessor

java.lang.Object

org.apache.hadoop.hive.ql.stats.ColStatsProcessor

All Implemented Interfaces:

IStatsProcessor

public class ColStatsProcessor
extends Object
implements IStatsProcessor

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ColStatsProcessor.ColumnStatsField Enumeration of column stats fields that can currently be computed.
static class	ColStatsProcessor.ColumnStatsType Enumeration of column stats type.

Constructor Summary

Constructors

Constructor and Description
ColStatsProcessor(ColumnStatsDesc colStats, HiveConf conf)

Method Summary

Modifier and Type	Method and Description
void	initialize(CompilationOpContext opContext)
int	persistColumnStats(Hive db, Table tbl)
int	process(Hive db, Table tbl)
void	setDpPartSpecs(Collection<Partition> dpPartSpecs)

Methods inherited from class java.lang.Object

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

Constructor Detail

ColStatsProcessor

public ColStatsProcessor(ColumnStatsDesc colStats,
                         HiveConf conf)

Method Detail

initialize

public void initialize(CompilationOpContext opContext)

Specified by:

initialize in interface IStatsProcessor

process

public int process(Hive db,
                   Table tbl)
            throws Exception

Specified by:

process in interface IStatsProcessor

Throws:

Exception

persistColumnStats

public int persistColumnStats(Hive db,
                              Table tbl)
                       throws HiveException,
                              org.apache.hadoop.hive.metastore.api.MetaException,
                              IOException

Throws:

HiveException

org.apache.hadoop.hive.metastore.api.MetaException

IOException

setDpPartSpecs

public void setDpPartSpecs(Collection<Partition> dpPartSpecs)

Specified by:

setDpPartSpecs in interface IStatsProcessor