com.facebook.presto.hive

Class HiveBucketing

java.lang.Object

com.facebook.presto.hive.HiveBucketing

public final class HiveBucketing
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	HiveBucketing.HiveBucketFilter

Method Summary

Modifier and Type	Method and Description
static int	getBucket(int bucketCount, List<com.facebook.presto.common.type.Type> types, com.facebook.presto.common.Page page, int position)
static int	getHiveBucket(int bucketCount, List<org.apache.hadoop.hive.serde2.typeinfo.TypeInfo> types, Object[] values)
static int	getHiveBucket(int bucketCount, List<org.apache.hadoop.hive.serde2.typeinfo.TypeInfo> types, com.facebook.presto.common.Page page, int position)
static Optional<HiveBucketing.HiveBucketFilter>	getHiveBucketFilter(Optional<com.facebook.presto.hive.HiveBucketProperty> hiveBucketProperty, List<com.facebook.presto.hive.metastore.Column> dataColumns, com.facebook.presto.common.predicate.TupleDomain<com.facebook.presto.spi.ColumnHandle> effectivePredicate)
static Optional<HiveBucketing.HiveBucketFilter>	getHiveBucketFilter(com.facebook.presto.hive.metastore.Table table, com.facebook.presto.common.predicate.TupleDomain<com.facebook.presto.spi.ColumnHandle> effectivePredicate)
static Optional<HiveBucketHandle>	getHiveBucketHandle(com.facebook.presto.hive.metastore.Table table)
static int	getVirtualBucketNumber(int bucketCount, org.apache.hadoop.fs.Path path)

Methods inherited from class java.lang.Object

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

Method Detail

getVirtualBucketNumber

public static int getVirtualBucketNumber(int bucketCount,
                                         org.apache.hadoop.fs.Path path)

getBucket

public static int getBucket(int bucketCount,
                            List<com.facebook.presto.common.type.Type> types,
                            com.facebook.presto.common.Page page,
                            int position)

getHiveBucket

public static int getHiveBucket(int bucketCount,
                                List<org.apache.hadoop.hive.serde2.typeinfo.TypeInfo> types,
                                com.facebook.presto.common.Page page,
                                int position)

getHiveBucket

public static int getHiveBucket(int bucketCount,
                                List<org.apache.hadoop.hive.serde2.typeinfo.TypeInfo> types,
                                Object[] values)

getHiveBucketHandle

public static Optional<HiveBucketHandle> getHiveBucketHandle(com.facebook.presto.hive.metastore.Table table)

getHiveBucketFilter

public static Optional<HiveBucketing.HiveBucketFilter> getHiveBucketFilter(com.facebook.presto.hive.metastore.Table table,
                                                                           com.facebook.presto.common.predicate.TupleDomain<com.facebook.presto.spi.ColumnHandle> effectivePredicate)

getHiveBucketFilter

public static Optional<HiveBucketing.HiveBucketFilter> getHiveBucketFilter(Optional<com.facebook.presto.hive.HiveBucketProperty> hiveBucketProperty,
                                                                           List<com.facebook.presto.hive.metastore.Column> dataColumns,
                                                                           com.facebook.presto.common.predicate.TupleDomain<com.facebook.presto.spi.ColumnHandle> effectivePredicate)