Hibernate 涓婚敭鐢熸垚絳栫暐

Gavin.lee — Thu, 14 Oct 2010 07:41:00 GMT

increment錛氱敓鎴恖ong, short鎴栬€卛nt綾誨瀷鐨勪富閿紝涓嶈兘鍦╟luster鐜涓嬩嬌鐢ㄣ€傞€傜敤浜庢墍鏈夋暟鎹簱
identity錛氱敓鎴恖ong, short鎴栬€卛nt綾誨瀷鐨勪富閿€傞€傜敤浜嶥B2, MySQL, MS SQL Server, Sybase and HypersonicSQL
sequence 錛氱敓鎴恖ong, short鎴栬€卛nt綾誨瀷鐨勪富閿€傞€傜敤浜嶥B2, PostgreSQL, Oracle, SAP DB, McKoi錛孖nterbase.
hilo錛氱敓鎴恖ong, short鎴栬€卛nt綾誨瀷鐨勪富閿€傞渶瑕佹彁渚涗竴涓暟鎹簱鐨勮〃鏉ュ瓨鏀劇敓鎴愮殑涓婚敭淇℃伅銆傚綋閲囩敤搴旂敤鏈嶅姟鍣ㄧ殑JTA鎻愪緵鐨勬暟鎹簱榪炴帴鎴栬€呯敤鎴瘋嚜瀹氫箟鐨勬暟鎹簱榪炴帴鐨勬椂鍊欙紝涓嶈浣跨敤榪欑涓婚敭鐢熸垚鏂瑰紡銆傞€傜敤浜庢墍鏈夋暟鎹簱
seqhilo錛氶噰鐢ㄧ粰瀹氱殑鏁版嵁搴撶殑sequence鏉ョ敓鎴恖ong, short鎴栬€卛nt綾誨瀷鐨勪富閿€傞€傜敤浜嶥B2, PostgreSQL, Oracle, SAP DB, McKoi錛孖nterbase.

uuid.hex錛氶噰鐢?28浣嶇殑綆楁硶鏉ョ敓鎴愪竴涓?2浣嶅瓧絎︿覆銆傛渶閫氱敤鐨勪竴縐嶆柟寮忋€傞€傜敤浜庢墍鏈夋暟鎹簱
uuid.string錛氬悓鏍烽噰鐢?28浣嶇殑UUID綆楁硶銆傚皢鐢熸垚鐨勫瓧絎︾紪鐮佷綅16浣嶃€傞€傜敤浜庨櫎PostgreSQL.浠ュ鐨勬暟鎹簱
native錛氭牴鎹叿浣撹繛鎺ョ殑鏁版嵁搴撲粠identity, sequence鎴栬€卙ilo閫夋嫨涓€縐嶆潵鐢熸垚涓婚敭銆傞€傜敤鐨勬暟鎹簱鏍規嵁閫夋嫨鐨勭敓鎴愭柟寮忕‘瀹氥€?
assigned錛?浜ょ粰搴旂敤鑷繁緇欎富閿祴鍊箋€傝娉ㄦ剰鐨勬槸璧嬪€煎繀欏誨湪璋冪敤save()鏂規硶涔嬪墠瀹屾垚銆傞€傜敤鐨勬暟鎹簱鏍規嵁閫夋嫨鐨勭敓鎴愭柟寮忕‘瀹氥€?/p>

Gavin.lee 2010-10-14 15:41 鍙戣〃璇勮

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Hibernate甯歌寮傚父-鏃犳硶杞崲涓哄唴閮ㄨ〃紺?/title>http://www.aygfsteel.com/jzone/articles/322407.htmlGavin.leeGavin.leeTue, 01 Jun 2010 01:11:00 GMThttp://www.aygfsteel.com/jzone/articles/322407.htmljava.sql.SQLException: 鏃犳硶杞崲涓哄唴閮ㄨ〃紺?/span>
    at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:125)

    at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:162)

    at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:227)

    at oracle.jdbc.driver.CharCommonAccessor.getLong(CharCommonAccessor.java:239)

    at oracle.jdbc.driver.OracleResultSetImpl.getLong(OracleResultSetImpl.java:514)

    at oracle.jdbc.driver.OracleResultSet.getLong(OracleResultSet.java:1617)

    at org.hibernate.type.LongType.get(LongType.java:28)

    at org.hibernate.type.NullableType.nullSafeGet(NullableType.java:163)

    at org.hibernate.type.NullableType.nullSafeGet(NullableType.java:154)

    at org.hibernate.type.AbstractType.hydrate(AbstractType.java:81)

    at org.hibernate.persister.entity.AbstractEntityPersister.hydrate(AbstractEntityPersister.java:2096)

    at org.hibernate.loader.Loader.loadFromResultSet(Loader.java:1380)

    at org.hibernate.loader.Loader.instanceNotYetLoaded(Loader.java:1308)

    at org.hibernate.loader.Loader.getRow(Loader.java:1206)

    at org.hibernate.loader.Loader.getRowFromResultSet(Loader.java:580)

    at org.hibernate.loader.Loader.doQuery(Loader.java:701)

    at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:236)

    at org.hibernate.loader.Loader.doList(Loader.java:2220)

    at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2104)

    at org.hibernate.loader.Loader.list(Loader.java:2099)

    at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:378)

    at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:338)

    at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:172)

    at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1121)

    at org.hibernate.impl.QueryImpl.list(QueryImpl.java:79)

浠庡紓甯鎬腑鎴戜滑鏄庣‘鐨勮兘鐪嬪埌 org.hibernate.type.LongType.get(LongType.java:28)錛岃繖涓〃鏄庝簡鏄?/span>LongType鐨勫紓甯搞€傛鏃舵垜浠攣瀹氱殑鐩爣灝辨槸瀹炰綋綾葷殑Long綾誨瀷銆?/span>

1. 媯€鏌ュ疄浣撶被鐨?/span>Long綾誨瀷鍙傛暟涓庢暟鎹簱涓搴旂殑瀛楁鏄惁鍖歸厤

2. 濡傛灉媯€鏌?/span>O-R瀵瑰簲鐨勫瓧孌電被鍨嬫病闂錛屽垯鑰冭檻DB涓暟鎹槸鍚︽湁闂錛?/span>Hibernate涓紝String綾誨瀷鐨勬暟鎹彲浠ユ彃鍏ュ埌Long綾誨瀷涓紝鍙槸鍦ㄦ煡璇㈡椂鍊欏皢鏃犳硶杞瀷錛堣緇嗚浜嗚ВOracle鐨?/span>Long綾誨瀷鏁版嵁錛?/span>

Gavin.lee 2010-06-01 09:11 鍙戣〃璇勮
]]>Hibernate 涓昏鐭ヨ瘑鐐圭殑褰掔撼</h1> <p>Gavin.lee — Wed, 26 May 2010 17:11:00 GMT</p> 闃呰鍏ㄦ枃<br><br><div align="right"><a style="text-decoration:none;" href="http://www.aygfsteel.com/jzone/" target="_blank">Gavin.lee</a> 2010-05-27 01:11 <a href="http://www.aygfsteel.com/jzone/articles/321970.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]> </article> <article> <h1>Hibernate 鏍稿績API</h1> <p>Gavin.lee — Wed, 17 Mar 2010 16:27:00 GMT</p> http://developer.51cto.com/art/200909/154732.htm <br> <a>http://bye.javaeye.com/blog/203203</a> <br> <a>http://ajava.org/readbook/J2EE/zhal/14410.html</a> <br><br><div align="right"><a style="text-decoration:none;" href="http://www.aygfsteel.com/jzone/" target="_blank">Gavin.lee</a> 2010-03-18 00:27 <a href="http://www.aygfsteel.com/jzone/articles/315735.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]> </article> <article> <h1>Hibernate 鏄犲皠鍏冪礌鐨勯厤緗?/title><link>http://www.aygfsteel.com/jzone/articles/315734.html</link><dc:creator>Gavin.lee</dc:creator><author>Gavin.lee</author><pubDate>Wed, 17 Mar 2010 16:24:00 GMT</pubDate><guid>http://www.aygfsteel.com/jzone/articles/315734.html</guid><description><![CDATA[<a >http://hanshuo528.bokee.com/viewdiary.23028288.html</a> <img src ="http://www.aygfsteel.com/jzone/aggbug/315734.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/jzone/" target="_blank">Gavin.lee</a> 2010-03-18 00:24 <a href="http://www.aygfsteel.com/jzone/articles/315734.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>Hibernate鏁版嵁婧愬拰榪炴帴姹犵殑閰嶇疆</h1> <p>Gavin.lee — Wed, 17 Mar 2010 16:20:00 GMT</p> http://developer.51cto.com/art/200909/153242.htm <br> <a>http://walsh.javaeye.com/blog/244041</a> <br><br><div align="right"><a style="text-decoration:none;" href="http://www.aygfsteel.com/jzone/" target="_blank">Gavin.lee</a> 2010-03-18 00:20 <a href="http://www.aygfsteel.com/jzone/articles/315733.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]> </article> </main></body></html>

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Hibernate 涓婚敭鐢熸垚絳栫暐