org.apache.drill.exec.store.hive

Class HivePartition

java.lang.Object

org.apache.hadoop.hive.metastore.api.Partition

org.apache.drill.exec.store.hive.HivePartition

All Implemented Interfaces:

Serializable, Cloneable, Comparable<org.apache.hadoop.hive.metastore.api.Partition>, org.apache.thrift.TBase<org.apache.hadoop.hive.metastore.api.Partition,org.apache.hadoop.hive.metastore.api.Partition._Fields>

public class HivePartition
extends org.apache.hadoop.hive.metastore.api.Partition

This class is wrapper of Partition class and used for storage of such additional information as index of list in column lists cache.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hive.metastore.api.Partition

org.apache.hadoop.hive.metastore.api.Partition._Fields

Field Summary

Fields inherited from class org.apache.hadoop.hive.metastore.api.Partition

metaDataMap

Constructor Summary

Constructors

Constructor and Description
HivePartition(List<String> values, String dbName, String tableName, int createTime, int lastAccessTime, org.apache.hadoop.hive.metastore.api.StorageDescriptor sd, Map<String,String> parameters, int columnListIndex)
HivePartition(org.apache.hadoop.hive.metastore.api.Partition other, int columnListIndex)

Method Summary

Modifier and Type	Method and Description
int	getColumnListIndex() To reduce physical plan for Hive tables, in partitions does not stored list of columns but stored index of that list in the table's column list cache.

Methods inherited from class org.apache.hadoop.hive.metastore.api.Partition

addToValues, clear, compareTo, deepCopy, equals, equals, fieldForId, getCatName, getCreateTime, getDbName, getFieldValue, getLastAccessTime, getParameters, getParametersSize, getPrivileges, getSd, getTableName, getValues, getValuesIterator, getValuesSize, hashCode, isSet, isSetCatName, isSetCreateTime, isSetDbName, isSetLastAccessTime, isSetParameters, isSetPrivileges, isSetSd, isSetTableName, isSetValues, putToParameters, read, setCatName, setCatNameIsSet, setCreateTime, setCreateTimeIsSet, setDbName, setDbNameIsSet, setFieldValue, setLastAccessTime, setLastAccessTimeIsSet, setParameters, setParametersIsSet, setPrivileges, setPrivilegesIsSet, setSd, setSdIsSet, setTableName, setTableNameIsSet, setValues, setValuesIsSet, toString, unsetCatName, unsetCreateTime, unsetDbName, unsetLastAccessTime, unsetParameters, unsetPrivileges, unsetSd, unsetTableName, unsetValues, validate, write

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

HivePartition

public HivePartition(List<String> values,
                     String dbName,
                     String tableName,
                     int createTime,
                     int lastAccessTime,
                     org.apache.hadoop.hive.metastore.api.StorageDescriptor sd,
                     Map<String,String> parameters,
                     int columnListIndex)

HivePartition

public HivePartition(org.apache.hadoop.hive.metastore.api.Partition other,
                     int columnListIndex)

Method Detail

getColumnListIndex

public int getColumnListIndex()

To reduce physical plan for Hive tables, in partitions does not stored list of columns but stored index of that list in the table's column list cache.

Returns:

index of partition column list in the table's column list cache