com.alibaba.druid.sql.ast.expr
Class SQLExistsExpr

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

public class SQLExistsExpr
extends SQLExprImpl
implements Serializable

See Also:

Serialized Form

Field Summary

boolean	not
SQLSelect	subQuery

Constructor Summary

SQLExistsExpr()

SQLExistsExpr(SQLSelect subQuery)

SQLExistsExpr(SQLSelect subQuery, boolean not)

Method Summary

boolean	equals(Object obj)
SQLSelect	getSubQuery()
int	hashCode()
boolean	isNot()
void	output(StringBuffer buf)
void	setNot(boolean not)
void	setSubQuery(SQLSelect subQuery)

Methods inherited from class com.alibaba.druid.sql.ast.SQLObjectImpl

accept, getAttribute, getAttributes, getAttributesDirect, getParent, putAttribute, setParent, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.alibaba.druid.sql.ast.SQLObject

accept, getAttribute, getAttributes, getAttributesDirect, getParent, putAttribute, setParent

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)

output

public void output(StringBuffer buf)

Specified by:

output in interface SQLObject

Overrides:

output in class SQLObjectImpl

hashCode

public int hashCode()

Specified by:

hashCode in class SQLExprImpl

equals

public boolean equals(Object obj)

Specified by:

equals in class SQLExprImpl