io.prestosql.plugin.hive.statistics

Class MetastoreHiveStatisticsProvider

java.lang.Object

io.prestosql.plugin.hive.statistics.MetastoreHiveStatisticsProvider

All Implemented Interfaces:

HiveStatisticsProvider

public class MetastoreHiveStatisticsProvider
extends Object
implements HiveStatisticsProvider

Constructor Summary

Constructors

Constructor and Description
MetastoreHiveStatisticsProvider(SemiTransactionalHiveMetastore metastore)

Method Summary

Modifier and Type	Method and Description
static OptionalDouble	convertPartitionValueToDouble(Type type, Object value)
TableStatistics	getTableStatistics(ConnectorSession session, SchemaTableName table, Map<String,ColumnHandle> columns, Map<String,Type> columnTypes, List<HivePartition> partitions)

Methods inherited from class java.lang.Object

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

Constructor Detail

MetastoreHiveStatisticsProvider

public MetastoreHiveStatisticsProvider(SemiTransactionalHiveMetastore metastore)

Method Detail

getTableStatistics

public TableStatistics getTableStatistics(ConnectorSession session,
                                          SchemaTableName table,
                                          Map<String,ColumnHandle> columns,
                                          Map<String,Type> columnTypes,
                                          List<HivePartition> partitions)

Specified by:

getTableStatistics in interface HiveStatisticsProvider

columns - must be Hive columns, not hidden (Presto-internal) columns

convertPartitionValueToDouble

public static OptionalDouble convertPartitionValueToDouble(Type type,
                                                           Object value)