UDFInputDataSet (IoTDB Server 0.14.0-preview2 API)

java.lang.Object
- org.apache.iotdb.db.query.dataset.UDFInputDataSet

All Implemented Interfaces:

IUDFInputDataSet
```
public class UDFInputDataSet
extends java.lang.Object
implements IUDFInputDataSet
```
the input data set of an UDAF query. It accepts any query results as input instead of raw timeseries data

Constructor Summary

Constructors
Constructor	Description
`UDFInputDataSet(org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet dataSet, java.util.List<org.apache.iotdb.tsfile.file.metadata.enums.TSDataType> dataTypes)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.util.List<org.apache.iotdb.tsfile.file.metadata.enums.TSDataType>`	`getDataTypes()`	returns the input data types, except the timestamp column(the last column).
`boolean`	`hasNextRowInObjects()`	Whether the data set has next row.
`java.lang.Object[]`	`nextRowInObjects()`	Get the next row for UDFPlan input.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.iotdb.db.mpp.transformation.dag.input.IUDFInputDataSet
canYieldNextRowInObjects

- Constructor Detail
  - UDFInputDataSet
```
public UDFInputDataSet(org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet dataSet,
                       java.util.List<org.apache.iotdb.tsfile.file.metadata.enums.TSDataType> dataTypes)
```
- Method Detail
  - getDataTypes
```
public java.util.List<org.apache.iotdb.tsfile.file.metadata.enums.TSDataType> getDataTypes()
```
    Description copied from interface: IUDFInputDataSet
    
    returns the input data types, except the timestamp column(the last column).
    
    Specified by:
    
    getDataTypes in interface IUDFInputDataSet
  - hasNextRowInObjects
```
public boolean hasNextRowInObjects()
                            throws java.io.IOException
```
    Description copied from interface: IUDFInputDataSet
    
    Whether the data set has next row.
    
    Specified by:
    
    hasNextRowInObjects in interface IUDFInputDataSet
    
    Throws:
    
    java.io.IOException
  - nextRowInObjects
```
public java.lang.Object[] nextRowInObjects()
                                    throws java.io.IOException
```
    Description copied from interface: IUDFInputDataSet
    
    Get the next row for UDFPlan input.
    The last element in the row is the timestamp.
    
    Specified by:
    
    nextRowInObjects in interface IUDFInputDataSet
    
    Throws:
    
    java.io.IOException