org.apache.flink.table.runtime.arrow.writers

类 DecimalWriter<T>

java.lang.Object

org.apache.flink.table.runtime.arrow.writers.ArrowFieldWriter<T>

org.apache.flink.table.runtime.arrow.writers.DecimalWriter<T>

直接已知子类:

DecimalWriter.DecimalWriterForArray, DecimalWriter.DecimalWriterForRow

@Internal
public abstract class DecimalWriter<T>
extends ArrowFieldWriter<T>

ArrowFieldWriter for Decimal.

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	DecimalWriter.DecimalWriterForArray DecimalWriter for ArrayData input.
static class	DecimalWriter.DecimalWriterForRow DecimalWriter for RowData input.

字段概要

字段

限定符和类型	字段和说明
protected int	precision
protected int	scale

方法概要

限定符和类型	方法和说明
void	doWrite(T in, int ordinal) Sets the field value as the field at the specified ordinal of the specified row.
static DecimalWriter<org.apache.flink.table.data.ArrayData>	forArray(org.apache.arrow.vector.DecimalVector decimalVector, int precision, int scale)
static DecimalWriter<org.apache.flink.table.data.RowData>	forRow(org.apache.arrow.vector.DecimalVector decimalVector, int precision, int scale)

从类继承的方法 org.apache.flink.table.runtime.arrow.writers.ArrowFieldWriter

finish, getCount, getValueVector, reset, write

从类继承的方法 java.lang.Object

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

字段详细资料

precision

protected final int precision

scale

protected final int scale

方法详细资料

forRow

public static DecimalWriter<org.apache.flink.table.data.RowData> forRow(org.apache.arrow.vector.DecimalVector decimalVector,
                                                                        int precision,
                                                                        int scale)

forArray

public static DecimalWriter<org.apache.flink.table.data.ArrayData> forArray(org.apache.arrow.vector.DecimalVector decimalVector,
                                                                            int precision,
                                                                            int scale)

doWrite

public void doWrite(T in,
                    int ordinal)

从类复制的说明: ArrowFieldWriter

Sets the field value as the field at the specified ordinal of the specified row.

指定者:

doWrite 在类中 ArrowFieldWriter<T>