com.facebook.presto.hive

Class HiveColumnHandle

java.lang.Object

com.facebook.presto.hive.HiveColumnHandle

All Implemented Interfaces:

ColumnHandle

public class HiveColumnHandle
extends Object
implements ColumnHandle

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	HiveColumnHandle.ColumnType

Field Summary

Fields

Modifier and Type	Field and Description
static int	BUCKET_COLUMN_INDEX
static String	BUCKET_COLUMN_NAME
static HiveType	BUCKET_HIVE_TYPE
static TypeSignature	BUCKET_TYPE_SIGNATURE
static int	FILE_MODIFIED_TIME_COLUMN_INDEX
static String	FILE_MODIFIED_TIME_COLUMN_NAME
static HiveType	FILE_MODIFIED_TIME_TYPE
static TypeSignature	FILE_MODIFIED_TIME_TYPE_SIGNATURE
static int	FILE_SIZE_COLUMN_INDEX
static String	FILE_SIZE_COLUMN_NAME
static HiveType	FILE_SIZE_TYPE
static TypeSignature	FILE_SIZE_TYPE_SIGNATURE
static int	MAX_PARTITION_KEY_COLUMN_INDEX
static int	PATH_COLUMN_INDEX
static String	PATH_COLUMN_NAME
static HiveType	PATH_HIVE_TYPE
static TypeSignature	PATH_TYPE_SIGNATURE

Constructor Summary

Constructors

Constructor and Description
HiveColumnHandle(String name, HiveType hiveType, TypeSignature typeSignature, int hiveColumnIndex, HiveColumnHandle.ColumnType columnType, Optional<String> comment, List<Subfield> requiredSubfields, Optional<AggregationNode.Aggregation> partialAggregation)
HiveColumnHandle(String name, HiveType hiveType, TypeSignature typeSignature, int hiveColumnIndex, HiveColumnHandle.ColumnType columnType, Optional<String> comment, Optional<AggregationNode.Aggregation> partialAggregation)

Method Summary

Modifier and Type	Method and Description
static HiveColumnHandle	bucketColumnHandle() The column indicating the bucket id.
boolean	equals(Object obj)
static HiveColumnHandle	fileModifiedTimeColumnHandle()
static HiveColumnHandle	fileSizeColumnHandle()
ColumnMetadata	getColumnMetadata(TypeManager typeManager)
HiveColumnHandle.ColumnType	getColumnType()
Optional<String>	getComment()
int	getHiveColumnIndex()
HiveType	getHiveType()
String	getName()
Optional<AggregationNode.Aggregation>	getPartialAggregation()
static Subfield	getPushedDownSubfield(HiveColumnHandle column) Return the pushed down subfield if the column represents one
List<Subfield>	getRequiredSubfields()
TypeSignature	getTypeSignature()
int	hashCode()
static boolean	isBucketColumnHandle(HiveColumnHandle column)
static boolean	isFileModifiedTimeColumnHandle(HiveColumnHandle column)
static boolean	isFileSizeColumnHandle(HiveColumnHandle column)
boolean	isHidden()
boolean	isPartitionKey()
static boolean	isPathColumnHandle(HiveColumnHandle column)
static boolean	isPushedDownSubfield(HiveColumnHandle column)
static HiveColumnHandle	pathColumnHandle()
String	toString()
static HiveColumnHandle	updateRowIdHandle()
ColumnHandle	withRequiredSubfields(List<Subfield> subfields)

Methods inherited from class java.lang.Object

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

Field Detail

PATH_COLUMN_INDEX

public static final int PATH_COLUMN_INDEX

See Also:

Constant Field Values

PATH_COLUMN_NAME

public static final String PATH_COLUMN_NAME

See Also:

Constant Field Values

PATH_HIVE_TYPE

public static final HiveType PATH_HIVE_TYPE

PATH_TYPE_SIGNATURE

public static final TypeSignature PATH_TYPE_SIGNATURE

BUCKET_COLUMN_INDEX

public static final int BUCKET_COLUMN_INDEX

See Also:

Constant Field Values

BUCKET_COLUMN_NAME

public static final String BUCKET_COLUMN_NAME

See Also:

Constant Field Values

BUCKET_HIVE_TYPE

public static final HiveType BUCKET_HIVE_TYPE

BUCKET_TYPE_SIGNATURE

public static final TypeSignature BUCKET_TYPE_SIGNATURE

FILE_SIZE_COLUMN_INDEX

public static final int FILE_SIZE_COLUMN_INDEX

See Also:

Constant Field Values

FILE_SIZE_COLUMN_NAME

public static final String FILE_SIZE_COLUMN_NAME

See Also:

Constant Field Values

FILE_SIZE_TYPE

public static final HiveType FILE_SIZE_TYPE

FILE_SIZE_TYPE_SIGNATURE

public static final TypeSignature FILE_SIZE_TYPE_SIGNATURE

FILE_MODIFIED_TIME_COLUMN_INDEX

public static final int FILE_MODIFIED_TIME_COLUMN_INDEX

See Also:

Constant Field Values

FILE_MODIFIED_TIME_COLUMN_NAME

public static final String FILE_MODIFIED_TIME_COLUMN_NAME

See Also:

Constant Field Values

FILE_MODIFIED_TIME_TYPE

public static final HiveType FILE_MODIFIED_TIME_TYPE

FILE_MODIFIED_TIME_TYPE_SIGNATURE

public static final TypeSignature FILE_MODIFIED_TIME_TYPE_SIGNATURE

MAX_PARTITION_KEY_COLUMN_INDEX

public static final int MAX_PARTITION_KEY_COLUMN_INDEX

See Also:

Constant Field Values

Constructor Detail

HiveColumnHandle

public HiveColumnHandle(String name,
                        HiveType hiveType,
                        TypeSignature typeSignature,
                        int hiveColumnIndex,
                        HiveColumnHandle.ColumnType columnType,
                        Optional<String> comment,
                        List<Subfield> requiredSubfields,
                        Optional<AggregationNode.Aggregation> partialAggregation)

HiveColumnHandle

public HiveColumnHandle(String name,
                        HiveType hiveType,
                        TypeSignature typeSignature,
                        int hiveColumnIndex,
                        HiveColumnHandle.ColumnType columnType,
                        Optional<String> comment,
                        Optional<AggregationNode.Aggregation> partialAggregation)

Method Detail

getName

public String getName()

getHiveType

public HiveType getHiveType()

getHiveColumnIndex

public int getHiveColumnIndex()

isPartitionKey

public boolean isPartitionKey()

isHidden

public boolean isHidden()

getColumnMetadata

public ColumnMetadata getColumnMetadata(TypeManager typeManager)

getComment

public Optional<String> getComment()

getPartialAggregation

public Optional<AggregationNode.Aggregation> getPartialAggregation()

getTypeSignature

public TypeSignature getTypeSignature()

getColumnType

public HiveColumnHandle.ColumnType getColumnType()

getRequiredSubfields

public List<Subfield> getRequiredSubfields()

withRequiredSubfields

public ColumnHandle withRequiredSubfields(List<Subfield> subfields)

Specified by:

withRequiredSubfields in interface ColumnHandle

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

updateRowIdHandle

public static HiveColumnHandle updateRowIdHandle()

pathColumnHandle

public static HiveColumnHandle pathColumnHandle()

bucketColumnHandle

public static HiveColumnHandle bucketColumnHandle()

The column indicating the bucket id. When table bucketing differs from partition bucketing, this column indicates what bucket the row will fall in under the table bucketing scheme.

fileSizeColumnHandle

public static HiveColumnHandle fileSizeColumnHandle()

fileModifiedTimeColumnHandle

public static HiveColumnHandle fileModifiedTimeColumnHandle()

isPathColumnHandle

public static boolean isPathColumnHandle(HiveColumnHandle column)

isBucketColumnHandle

public static boolean isBucketColumnHandle(HiveColumnHandle column)

getPushedDownSubfield

public static Subfield getPushedDownSubfield(HiveColumnHandle column)

Return the pushed down subfield if the column represents one

isPushedDownSubfield

public static boolean isPushedDownSubfield(HiveColumnHandle column)

isFileSizeColumnHandle

public static boolean isFileSizeColumnHandle(HiveColumnHandle column)

isFileModifiedTimeColumnHandle

public static boolean isFileModifiedTimeColumnHandle(HiveColumnHandle column)