DataTypeUtilities

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Deprecated

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org.apache.derby.iapi.types
Class DataTypeUtilities

java.lang.Object
  org.apache.derby.iapi.types.DataTypeUtilities

public abstract class DataTypeUtilities
extends java.lang.Object

A set of static utility methods for data types.

Constructor Summary

DataTypeUtilities()


Method Summary

static int computeMaxWidth(int precision, int scale)
          Compute the maximum width (column display width) of a decimal or numeric data value, given its precision and scale.

static int getColumnDisplaySize(DataTypeDescriptor dtd)
          Gets the display width of a column of a given type.

static int getColumnDisplaySize(int typeId, int storageLength)


static int getDigitPrecision(DataTypeDescriptor dtd)
          Get the precision of the datatype, in decimal digits This is used by EmbedResultSetMetaData.

static int getPrecision(DataTypeDescriptor dtd)
          Get the precision of the datatype.

static boolean isCaseSensitive(DataTypeDescriptor dtd)
          Is the data type case sensitive.

static boolean isCurrency(DataTypeDescriptor dtd)
          Is the data type currency.

static int isNullable(DataTypeDescriptor dtd)
          Is the data type nullable.

static boolean isSigned(DataTypeDescriptor dtd)
          Is the data type signed.

Methods inherited from class java.lang.Object

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

Constructor Detail