com.facebook.presto.spi.type

Class Decimals

java.lang.Object

com.facebook.presto.spi.type.Decimals

public class Decimals
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static BigInteger	MAX_DECIMAL_UNSCALED_VALUE
static int	MAX_PRECISION
static int	MAX_SHORT_PRECISION
static BigInteger	MIN_DECIMAL_UNSCALED_VALUE
static int	SIZE_OF_LONG_DECIMAL

Method Summary

Modifier and Type	Method and Description
static BigInteger	bigIntegerTenToNth(int n)
static void	checkOverflow(BigInteger value)
static BigInteger	decodeUnscaledValue(io.airlift.slice.Slice valueSlice)
static io.airlift.slice.Slice	encodeScaledValue(BigDecimal value)
static io.airlift.slice.Slice	encodeUnscaledValue(BigInteger unscaledValue)
static io.airlift.slice.Slice	encodeUnscaledValue(long unscaledValue)
static boolean	isLongDecimal(Type type)
static boolean	isShortDecimal(Type type)
static long	longTenToNth(int n)
static boolean	overflows(BigDecimal value, long precision)
static boolean	overflows(BigInteger value)
static boolean	overflows(BigInteger value, int precision)
static boolean	overflows(long value, int precision)
static DecimalParseResult	parse(String stringValue)
static DecimalParseResult	parseIncludeLeadingZerosInPrecision(String stringValue)
static BigInteger	rescale(BigInteger value, int fromScale, int toScale)
static long	rescale(long value, int fromScale, int toScale)
static String	toString(BigInteger unscaledValue, int scale)
static String	toString(long unscaledValue, int scale)
static String	toString(io.airlift.slice.Slice unscaledValue, int scale)
static void	writeBigDecimal(DecimalType decimalType, BlockBuilder blockBuilder, BigDecimal value)

Methods inherited from class java.lang.Object

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

Field Detail

SIZE_OF_LONG_DECIMAL

public static final int SIZE_OF_LONG_DECIMAL

See Also:

Constant Field Values

MAX_PRECISION

public static final int MAX_PRECISION

See Also:

Constant Field Values

MAX_SHORT_PRECISION

public static final int MAX_SHORT_PRECISION

See Also:

Constant Field Values

MAX_DECIMAL_UNSCALED_VALUE

public static final BigInteger MAX_DECIMAL_UNSCALED_VALUE

MIN_DECIMAL_UNSCALED_VALUE

public static final BigInteger MIN_DECIMAL_UNSCALED_VALUE

Method Detail

longTenToNth

public static long longTenToNth(int n)

bigIntegerTenToNth

public static BigInteger bigIntegerTenToNth(int n)

parse

public static DecimalParseResult parse(String stringValue)

parseIncludeLeadingZerosInPrecision

public static DecimalParseResult parseIncludeLeadingZerosInPrecision(String stringValue)

encodeUnscaledValue

public static io.airlift.slice.Slice encodeUnscaledValue(BigInteger unscaledValue)

encodeUnscaledValue

public static io.airlift.slice.Slice encodeUnscaledValue(long unscaledValue)

encodeScaledValue

public static io.airlift.slice.Slice encodeScaledValue(BigDecimal value)

decodeUnscaledValue

public static BigInteger decodeUnscaledValue(io.airlift.slice.Slice valueSlice)

toString

public static String toString(long unscaledValue,
                              int scale)

toString

public static String toString(io.airlift.slice.Slice unscaledValue,
                              int scale)

toString

public static String toString(BigInteger unscaledValue,
                              int scale)

overflows

public static boolean overflows(long value,
                                int precision)

overflows

public static boolean overflows(BigInteger value,
                                int precision)

overflows

public static boolean overflows(BigInteger value)

overflows

public static boolean overflows(BigDecimal value,
                                long precision)

checkOverflow

public static void checkOverflow(BigInteger value)

writeBigDecimal

public static void writeBigDecimal(DecimalType decimalType,
                                   BlockBuilder blockBuilder,
                                   BigDecimal value)

rescale

public static long rescale(long value,
                           int fromScale,
                           int toScale)

rescale

public static BigInteger rescale(BigInteger value,
                                 int fromScale,
                                 int toScale)

isShortDecimal

public static boolean isShortDecimal(Type type)

isLongDecimal

public static boolean isLongDecimal(Type type)