Class Decimals

java.lang.Object

io.trino.spi.type.Decimals

public final class Decimals
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final int	MAX_PRECISION
static final int	MAX_SHORT_PRECISION
static final Int128	MAX_UNSCALED_DECIMAL
static final Int128	MIN_UNSCALED_DECIMAL

Method Summary

Modifier and Type	Method	Description
static BigInteger	bigIntegerTenToNth(int n)
static Int128	encodeScaledValue(BigDecimal value, int scale)
static Int128	encodeScaledValue(BigDecimal value, int scale, RoundingMode roundingMode)
static long	encodeShortScaledValue(BigDecimal value, int scale)
static long	encodeShortScaledValue(BigDecimal value, int scale, RoundingMode roundingMode)
static long	longTenToNth(int n)
static boolean	overflows(long value, int precision)
static boolean	overflows(long high, long low)
static boolean	overflows(Int128 value)
static boolean	overflows(Int128 value, int precision)
static boolean	overflows(BigDecimal value, long precision)
static boolean	overflows(BigInteger value, int precision)
static DecimalParseResult	parse(String stringValue)
static BigDecimal	readBigDecimal(DecimalType type, Block block, int position)
static long	rescale(long value, int fromScale, int toScale)
static BigDecimal	rescale(BigDecimal value, DecimalType type)
static BigInteger	rescale(BigInteger value, int fromScale, int toScale)
static String	toString(long unscaledValue, int scale)
static String	toString(Int128 unscaledValue, int scale)
static String	toString(BigInteger unscaledValue, int scale)
static long	valueOf(long value)
static Int128	valueOf(BigDecimal value)	Converts BigDecimal to Int128 representing it for long DecimalType.
static Int128	valueOf(BigInteger value)
static long	valueOfShort(BigDecimal value)	Converts BigDecimal to long representing it for short DecimalType.
static void	writeBigDecimal(DecimalType decimalType, BlockBuilder blockBuilder, BigDecimal value)
static void	writeShortDecimal(BlockBuilder blockBuilder, long value)

Methods inherited from class java.lang.Object

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

Field Details

MAX_UNSCALED_DECIMAL

public static final Int128 MAX_UNSCALED_DECIMAL

MIN_UNSCALED_DECIMAL

public static final Int128 MIN_UNSCALED_DECIMAL

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

Method Details

longTenToNth

public static long longTenToNth(int n)

bigIntegerTenToNth

public static BigInteger bigIntegerTenToNth(int n)

parse

public static DecimalParseResult parse(String stringValue)

encodeShortScaledValue

public static long encodeShortScaledValue(BigDecimal value,
 int scale)

encodeShortScaledValue

public static long encodeShortScaledValue(BigDecimal value,
 int scale,
 RoundingMode roundingMode)

encodeScaledValue

public static Int128 encodeScaledValue(BigDecimal value,
 int scale)

encodeScaledValue

public static Int128 encodeScaledValue(BigDecimal value,
 int scale,
 RoundingMode roundingMode)

toString

public static String toString(long unscaledValue,
 int scale)

toString

public static String toString(Int128 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(BigDecimal value,
 long precision)

readBigDecimal

public static BigDecimal readBigDecimal(DecimalType type,
 Block block,
 int position)

writeBigDecimal

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

rescale

public static BigDecimal rescale(BigDecimal value,
 DecimalType type)

writeShortDecimal

public static void writeShortDecimal(BlockBuilder blockBuilder,
 long value)

rescale

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

rescale

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

valueOf

public static Int128 valueOf(BigDecimal value)

Converts BigDecimal to Int128 representing it for long DecimalType. It is caller responsibility to ensure that value.scale() equals to DecimalType.getScale().

valueOfShort

public static long valueOfShort(BigDecimal value)

Converts BigDecimal to long representing it for short DecimalType. It is caller responsibility to ensure that value.scale() equals to DecimalType.getScale().

valueOf

public static long valueOf(long value)

valueOf

public static Int128 valueOf(BigInteger value)

overflows

public static boolean overflows(Int128 value)

overflows

public static boolean overflows(long high,
 long low)

overflows

public static boolean overflows(Int128 value,
 int precision)