getTime() throws NullPointerException if the field is NULL

[Liu 刘 Yan 研]

I can't get a 'null' value of Java data type if the field is NULL

// ------------------------
// Environment
.MySQL Server: 4.1.10-nt
.Connector/J: 3.1.7
.Web Server: Tomcat 5.5.7
.JDK: Sun JDK 5.0 Update 1

// ------------------------
// Schema
CREATE TABLE `user_patient` (
`PatientID` int(10) unsigned NOT NULL auto_increment,
`BreakfastTime` time default NULL,
PRIMARY KEY (`PatientID`)
) ENGINE=InnoDB DEFAULT CHARSET=gbk COMMENT='用户-患者 关系表';

// ------------------------
// the API spec of java.sql.ResultSet

Time getTime(String columnName)
throws SQLExceptionRetrieves the value of the designated column in the current row of this ResultSet object as a java.sql.Time object in the Java programming language. Parameters:columnName - the SQL name of the column Returns:the column value; if the value is SQL NULL, the value returned is null Throws: SQLException - if a database access error occurs