Package org.apache.iotdb.db.mpp.transformation.api

Interface LayerRowReader

All Superinterfaces:

YieldableReader

public interface LayerRowReader
extends YieldableReader

Method Summary

Modifier and Type	Method	Description
org.apache.iotdb.udf.api.access.Row	currentRow()
long	currentTime()
org.apache.iotdb.tsfile.file.metadata.enums.TSDataType[]	getDataTypes()
boolean	isCurrentNull()	whether current row fields are all null
boolean	next()
void	readyForNext()

Methods inherited from interface org.apache.iotdb.db.mpp.transformation.api.YieldableReader

yield

Method Detail

next

boolean next()
      throws java.io.IOException,
             QueryProcessException

Throws:

java.io.IOException

QueryProcessException

readyForNext

void readyForNext()

getDataTypes

org.apache.iotdb.tsfile.file.metadata.enums.TSDataType[] getDataTypes()

currentTime

long currentTime()
          throws java.io.IOException

Throws:

java.io.IOException

currentRow

org.apache.iotdb.udf.api.access.Row currentRow()

isCurrentNull

boolean isCurrentNull()
               throws java.io.IOException

whether current row fields are all null

Throws:

java.io.IOException