java.lang.Object
- org.apache.iotdb.db.mpp.plan.statement.StatementNode
- - org.apache.iotdb.db.mpp.plan.statement.component.GroupByLevelComponent

public class GroupByLevelComponent
extends StatementNode

This class maintains information of GROUP BY LEVEL clause.

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int[]`	`getLevels()`
`boolean`	`isCountStar(int i)`
`void`	`setLevels(int[] levels)`
`void`	`updateIsCountStar(FunctionExpression rawExpression)`

Methods inherited from class org.apache.iotdb.db.mpp.plan.statement.StatementNode
accept

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

protected java.util.List<java.lang.Boolean> isCountStar

Constructor Detail
- GroupByLevelComponent
```
public GroupByLevelComponent()
```

public void setLevels(int[] levels)

public void updateIsCountStar(FunctionExpression rawExpression)

Modifier and Type	Field	Description
`protected java.util.List<java.lang.Boolean>`	`isCountStar`
`protected int[]`	`levels`

Class GroupByLevelComponent