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

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

All Implemented Interfaces:

SQLLiteralExpr, SQLExpr, SQLObject, Serializable

public class SQLNullExpr
extends SQLExprImpl
implements SQLLiteralExpr

See Also:

Serialized Form

Constructor Summary

SQLNullExpr()

Method Summary

boolean	equals(Object o)
int	hashCode()
void	output(StringBuffer buf)

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

Constructor Detail

SQLNullExpr

public SQLNullExpr()

Method Detail

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 o)

Specified by:

equals in class SQLExprImpl