Operator (IoTDB Server 0.14.0-preview2 API)

java.lang.Object
- org.apache.iotdb.db.qp.logical.Operator

Direct Known Subclasses:

ActivateTemplateOperator, AlterTimeSeriesOperator, AuthorOperator, ClearCacheOperator, CreateAlignedTimeSeriesOperator, CreateContinuousQueryOperator, CreateFunctionOperator, CreateIndexOperator, CreatePipeOperator, CreatePipeSinkOperator, CreateTemplateOperator, CreateTimeSeriesOperator, CreateTriggerOperator, DataAuthOperator, DeleteDataOperator, DeletePartitionOperator, DeleteStorageGroupOperator, DeleteTimeSeriesOperator, DropContinuousQueryOperator, DropFunctionOperator, DropIndexOperator, DropPipeOperator, DropPipeSinkOperator, DropTemplateOperator, DropTriggerOperator, FlushOperator, InsertOperator, KillQueryOperator, LoadConfigurationOperator, LoadDataOperator, LoadFilesOperator, MergeOperator, QueryOperator, RemoveFileOperator, SelectIntoOperator, SetStorageGroupOperator, SetSystemModeOperator, SetTemplateOperator, SettleOperator, SetTTLOperator, ShowOperator, ShowQueryResourceOperate, StartPipeOperator, StartTriggerOperator, StopPipeOperator, StopTriggerOperator, TracingOperator, UnloadFileOperator, UnsetTemplateOperator, UnSetTTLOperator
```
public abstract class Operator
extends java.lang.Object
```
This class is a superclass of all operator.

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class Operator.OperatorType
If you want to add new OperatorType, you must add it in the last.

Field Summary

Fields
Modifier and Type	Field	Description
`protected boolean`	`isDebug`
`protected boolean`	`isPrefixMatchPath`	Since IoTDB v0.13, all DDL and DML use patternMatch as default.
`protected Operator.OperatorType`	`operatorType`
`protected int`	`tokenIntType`

Constructor Summary

Constructors
Modifier Constructor Description

protected Operator(int tokenIntType)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`PhysicalPlan`	`generatePhysicalPlan(PhysicalGenerator generator)`
`int`	`getTokenIntType()`
`Operator.OperatorType`	`getType()`
`boolean`	`isDebug()`
`boolean`	`isPrefixMatchPath()`
`boolean`	`isQuery()`
`void`	`setDebug(boolean debug)`
`void`	`setOperatorType(Operator.OperatorType operatorType)`
`void`	`setPrefixMatchPath(boolean prefixMatchPath)`
`java.lang.String`	`toString()`

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

Field Detail
- tokenIntType
```
protected int tokenIntType
```
- isDebug
```
protected boolean isDebug
```
- operatorType
```
protected Operator.OperatorType operatorType
```
- isPrefixMatchPath
```
protected boolean isPrefixMatchPath
```
  Since IoTDB v0.13, all DDL and DML use patternMatch as default. Before IoTDB v0.13, all DDL and DML use prefixMatch.

Constructor Detail

Operator

protected Operator(int tokenIntType)

Method Detail

getType

public Operator.OperatorType getType()

isQuery
```
public boolean isQuery()
```

getTokenIntType
```
public int getTokenIntType()
```

setOperatorType

public void setOperatorType(Operator.OperatorType operatorType)

isDebug
```
public boolean isDebug()
```

setDebug

public void setDebug(boolean debug)

isPrefixMatchPath
```
public boolean isPrefixMatchPath()
```

setPrefixMatchPath

public void setPrefixMatchPath(boolean prefixMatchPath)

toString
```
public java.lang.String toString()
```
Overrides:

toString in class java.lang.Object

generatePhysicalPlan

public PhysicalPlan generatePhysicalPlan(PhysicalGenerator generator)
                                  throws QueryProcessException

Throws:: QueryProcessException