public abstract class AbstractWritableVector extends Object implements WritableColumnVector, Serializable
ColumnVectors, including NULL information and
dictionary. NOTE: if there are some nulls, must set noNulls to false.| 限定符和类型 | 字段和说明 |
|---|---|
protected Dictionary |
dictionary
The Dictionary for this column.
|
protected boolean |
noNulls |
| 构造器和说明 |
|---|
AbstractWritableVector() |
| 限定符和类型 | 方法和说明 |
|---|---|
boolean |
hasDictionary()
Returns true if this column has a dictionary.
|
void |
setDictionary(Dictionary dictionary)
Update the dictionary.
|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitfillWithNulls, getDictionaryIds, reserveDictionaryIds, reset, setNullAt, setNullsisNullAtprotected boolean noNulls
protected Dictionary dictionary
public void setDictionary(Dictionary dictionary)
setDictionary 在接口中 WritableColumnVectorpublic boolean hasDictionary()
hasDictionary 在接口中 WritableColumnVectorCopyright © 2023 The Apache Software Foundation. All rights reserved.