SQLExistsExpr (druid 1.2.26 API)

java.lang.Object
- com.alibaba.druid.sql.ast.SQLObjectImpl
- - com.alibaba.druid.sql.ast.SQLExprImpl
  - - com.alibaba.druid.sql.ast.expr.SQLExistsExpr

All Implemented Interfaces:

SQLExpr, SQLObject, Serializable, Cloneable
```
public final class SQLExistsExpr
extends SQLExprImpl
implements Serializable
```
See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

boolean not

SQLSelect subQuery
- Fields inherited from class com.alibaba.druid.sql.ast.SQLExprImpl
  parenthesized, parenthesizedCount
- Fields inherited from class com.alibaba.druid.sql.ast.SQLObjectImpl
  attributes, hint, parent, sourceColumn, sourceLine

Constructor Summary

Constructors
Constructor Description

SQLExistsExpr()

SQLExistsExpr(SQLSelect subQuery)

SQLExistsExpr(SQLSelect subQuery, boolean not)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected void`	`accept0(SQLASTVisitor visitor)`
`SQLExistsExpr`	`clone()`
`boolean`	`equals(Object obj)`
`List`	`getChildren()`
`SQLSelect`	`getSubQuery()`
`int`	`hashCode()`
`boolean`	`isNot()`
`void`	`setNot(boolean not)`
`void`	`setSubQuery(SQLSelect subQuery)`

Methods inherited from class com.alibaba.druid.sql.ast.SQLExprImpl
cloneTo, computeDataType, getParenthesizedCount, increaseParenthesizedCount, isParenthesized, setParenthesized, setParenthesizedCount

Methods inherited from class com.alibaba.druid.sql.ast.SQLObjectImpl
accept, acceptChild, acceptChild, addAfterComment, addAfterComment, addBeforeComment, addBeforeComment, cloneTo, containsAttribute, getAfterCommentsDirect, getAttribute, getAttributes, getAttributesDirect, getBeforeCommentsDirect, getHint, getParent, getParent, getSourceColumn, getSourceLine, hasAfterComment, hasBeforeComment, output, putAttribute, setHint, setParent, setSource, setSourceLine, toString

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

Methods inherited from interface com.alibaba.druid.sql.ast.SQLExpr
getHint

Methods inherited from interface com.alibaba.druid.sql.ast.SQLObject
accept, addAfterComment, addAfterComment, addBeforeComment, addBeforeComment, containsAttribute, getAfterCommentsDirect, getAttribute, getAttributes, getAttributesDirect, getBeforeCommentsDirect, getParent, getParent, getSourceColumn, getSourceLine, hasAfterComment, hasBeforeComment, output, putAttribute, setParent, setSource

Field Detail

not
```
public boolean not
```

subQuery
```
public SQLSelect subQuery
```

Constructor Detail

SQLExistsExpr
```
public SQLExistsExpr()
```

SQLExistsExpr

public SQLExistsExpr(SQLSelect subQuery)

SQLExistsExpr

public SQLExistsExpr(SQLSelect subQuery,
                     boolean not)

Method Detail
- isNot
```
public boolean isNot()
```
- setNot
```
public void setNot(boolean not)
```
- getSubQuery
```
public SQLSelect getSubQuery()
```
- setSubQuery
```
public void setSubQuery(SQLSelect subQuery)
```
- accept0
```
protected void accept0(SQLASTVisitor visitor)
```
  Specified by:
  
  accept0 in class SQLObjectImpl
- getChildren
```
public List getChildren()
```
  Specified by:
  
  getChildren in interface SQLExpr
  
  Overrides:
  
  getChildren in class SQLExprImpl
- hashCode
```
public int hashCode()
```
  Specified by:
  
  hashCode in class SQLExprImpl
- equals
```
public boolean equals(Object obj)
```
  Specified by:
  
  equals in class SQLExprImpl
- clone
```
public SQLExistsExpr clone()
```
  Specified by:
  
  clone in interface SQLExpr
  
  Specified by:
  
  clone in interface SQLObject
  
  Specified by:
  
  clone in class SQLExprImpl