我使用Spring JDBC的classifiedAd對象存儲到我的MariaDB的數據庫,如下所示:春JDBC的MySQL/MariaDB的數據被截斷爲列「日期」第1行
public void insert(ClassifiedAd classifiedAd){
this.jdbcTemplate.update(new PreparedStatementCreator(){
@Override
public PreparedStatement createPreparedStatement(Connection connection) throws SQLException {
PreparedStatement ps = connection.prepareStatement(INSERT_SQL, Statement.RETURN_GENERATED_KEYS);
...
ps.setTimestamp(6, new Timestamp(classifiedAd.getStartDate().getTimeInMillis()));
...
return ps;
}
}, keyHolder);
的classifiedAd對象有一個字段private Calendar startDate
我將其轉換爲java.sql.Timestamp
,然後將其映射到數據庫中的相應列start_date datetime null,
。
但是,當插入,我得到以下警告:
Dec 13, 2016 10:59:10 AM com.mchange.v2.c3p0.SQLWarnings logAndClearWarnings
INFO: Data truncated for column 'start_date' at row 1
java.sql.SQLWarning: Data truncated for column 'start_date' at row 1
at org.mariadb.jdbc.MariaDbConnection.getWarnings(MariaDbConnection.java:833)
at com.mchange.v2.c3p0.impl.NewProxyConnection.getWarnings(NewProxyConnection.java:907)
at com.mchange.v2.c3p0.SQLWarnings.logAndClearWarnings(SQLWarnings.java:42)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.refurbishResourceOnCheckin(C3P0PooledConnectionPool.java:285)
at com.mchange.v2.resourcepool.BasicResourcePool.attemptRefurbishResourceOnCheckin(BasicResourcePool.java:1606)
at com.mchange.v2.resourcepool.BasicResourcePool.access$200(BasicResourcePool.java:32)
at com.mchange.v2.resourcepool.BasicResourcePool$1RefurbishCheckinResourceTask.run(BasicResourcePool.java:1228)
at com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)
我真的因爲它規定here,它是正確的類型使用不明白爲什麼時間戳被截斷。請幫忙嗎?
編輯
這些是我得到的前值和插入後:
初始值:
dao.insert(classifiedAd);
classifiedAd = dao.select(classifiedAd.getId());
====> 27/7/2016 0:0:0
:
System.out.println(BankCardDAOTest.expiration_date.get(Calendar.DAY_OF_MONTH) + "/"
+ (classifiedAd.getStartDate.get(Calendar.MONTH) + 1) + "/"
+ classifiedAd.getStartDate.get(Calendar.YEAR) + " "
+ classifiedAd.getStartDate.get(Calendar.HOUR) + ":"
+ classifiedAd.getStartDate.get(Calendar.MINUTE) + ":"
+ classifiedAd.getStartDate.get(Calendar.SECOND));
====> 27/7/2016 4:3:54
插入和檢索對象後
請幫忙嗎?
,我能想到的它的唯一的事情就是日期格式問題...生成存儲在您的日期如何在你的mariadb表上......你可以發佈該字段的select語句的結果嗎? – Hackerman
在MariaDB服務器上啓用常規日誌,運行您的代碼,您將馬上看到它發送的內容以及爲什麼會生成警告。 – elenst