Package org.apache.iotdb.db.qp.logical.sys

Class CountOperator

java.lang.Object

org.apache.iotdb.db.qp.logical.Operator

org.apache.iotdb.db.qp.logical.sys.ShowOperator

org.apache.iotdb.db.qp.logical.sys.CountOperator

public class CountOperator
extends ShowOperator

CountOperator is used to count time-series and count nodes.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.iotdb.db.qp.logical.Operator

Operator.OperatorType

Field Summary

Fields inherited from class org.apache.iotdb.db.qp.logical.Operator

isDebug, isPrefixMatchPath, operatorType, tokenIntType

Constructor Summary

Constructors

Constructor	Description
CountOperator(int tokenIntType, org.apache.iotdb.commons.path.PartialPath path)
CountOperator(int tokenIntType, org.apache.iotdb.commons.path.PartialPath path, int level)

Method Summary

Modifier and Type	Method	Description
PhysicalPlan	generatePhysicalPlan(PhysicalGenerator generator)
int	getLevel()
org.apache.iotdb.commons.path.PartialPath	getPath()

Methods inherited from class org.apache.iotdb.db.qp.logical.Operator

getTokenIntType, getType, isDebug, isPrefixMatchPath, isQuery, setDebug, setOperatorType, setPrefixMatchPath, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

CountOperator

public CountOperator(int tokenIntType,
                     org.apache.iotdb.commons.path.PartialPath path)

CountOperator

public CountOperator(int tokenIntType,
                     org.apache.iotdb.commons.path.PartialPath path,
                     int level)

Method Detail

getPath

public org.apache.iotdb.commons.path.PartialPath getPath()

getLevel

public int getLevel()

generatePhysicalPlan

public PhysicalPlan generatePhysicalPlan(PhysicalGenerator generator)
                                  throws QueryProcessException

Overrides:

generatePhysicalPlan in class ShowOperator

Throws:

QueryProcessException