org.apache.hive.hcatalog.data

Class DataType

java.lang.Object

org.apache.hive.hcatalog.data.DataType

public abstract class DataType
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static byte	BINARY
static byte	BOOLEAN
static byte	BYTE
static byte	CHAR
static byte	DATE
static byte	DECIMAL
static byte	DOUBLE
static byte	ERROR
static byte	FLOAT
static byte	INTEGER
static byte	LIST
static byte	LONG
static byte	MAP
static byte	NULL
static byte	SHORT
static byte	STRING
static byte	STRUCT
static byte	TIMESTAMP
static byte	VARCHAR

Constructor Summary

Constructors

Constructor and Description
DataType()

Method Summary

Modifier and Type	Method and Description
static int	compare(Object o1, Object o2)
static int	compare(Object o1, Object o2, byte dt1, byte dt2)
static byte	findType(Object o) Determine the datatype of an object.

Methods inherited from class java.lang.Object

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

Field Detail

NULL

public static final byte NULL

See Also:

Constant Field Values

BOOLEAN

public static final byte BOOLEAN

See Also:

Constant Field Values

BYTE

public static final byte BYTE

See Also:

Constant Field Values

INTEGER

public static final byte INTEGER

See Also:

Constant Field Values

SHORT

public static final byte SHORT

See Also:

Constant Field Values

LONG

public static final byte LONG

See Also:

Constant Field Values

FLOAT

public static final byte FLOAT

See Also:

Constant Field Values

DOUBLE

public static final byte DOUBLE

See Also:

Constant Field Values

STRING

public static final byte STRING

See Also:

Constant Field Values

BINARY

public static final byte BINARY

See Also:

Constant Field Values

CHAR

public static final byte CHAR

See Also:

Constant Field Values

VARCHAR

public static final byte VARCHAR

See Also:

Constant Field Values

DECIMAL

public static final byte DECIMAL

See Also:

Constant Field Values

DATE

public static final byte DATE

See Also:

Constant Field Values

TIMESTAMP

public static final byte TIMESTAMP

See Also:

Constant Field Values

MAP

public static final byte MAP

See Also:

Constant Field Values

STRUCT

public static final byte STRUCT

See Also:

Constant Field Values

LIST

public static final byte LIST

See Also:

Constant Field Values

ERROR

public static final byte ERROR

See Also:

Constant Field Values

Constructor Detail

DataType

public DataType()

Method Detail

findType

public static byte findType(Object o)

Determine the datatype of an object.

Parameters:

o - Object to test.

Returns:

byte code of the type, or ERROR if we don't know.

compare

public static int compare(Object o1,
                          Object o2)

compare

public static int compare(Object o1,
                          Object o2,
                          byte dt1,
                          byte dt2)