[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-5909) SybaseASE15Dialect getMaxAliasLength() cause SQL exception

[Yang Li (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-5909?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=43061#comment-43061 ] 

Yang Li commented on HHH-5909:
------------------------------

The test case is in the Sybase15.5 ESD#3 isql on Solaris 10 system. 

bash-3.00# isql -Udblmodel -Pdblmodel -w300
1> select @@version
2> go
                                                                                                                                                                                                                                                                 
 --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 
 Adaptive Server Enterprise/15.5/EBF 18376 SMP ESD#3/P/Sun_svr4/OS 5.8/asear155/2531/64-bit/FBO/Fri Jan 14 11:08:31 2011                                                                                                                                         

(1 row affected)
1> create table testtable(name varchar(20), id int)
2> go
1> insert testtable values('myname', 1)
2> go
(1 row affected)
1> select * from testtable
2> go
 name                 id          
 -------------------- ----------- 
 myname                         1 

(1 row affected)
1> select name as testnameforhibernatebugHHH5909, id from testtable
2> go
 testnameforhibernatebugHHH5909 id          
 ------------------------------ ----------- 
 myname                                   1 

(1 row affected)
1> select name as testnameforhibernatebugHHH5909test, id from testtable
2> go
Msg 103, Level 15, State 205:
Server 'rd118', Line 1:
The identifier that starts with 'testnameforhibernatebugHHH5909' is too long. Maximum length is 30.
1> exit
bash-3.00#

> SybaseASE15Dialect getMaxAliasLength() cause SQL exception
> ----------------------------------------------------------
>
>                 Key: HHH-5909
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5909
>             Project: Hibernate Core
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 3.6.0, 3.6.1
>         Environment: Sybase ASE 15.5 with Sybase JDBC 3 (jconn3.jar)
> Hibernate 3.6.0 final
> JDK 1.6.0_23
>            Reporter: Yang Li
>            Assignee: Strong Liu
>            Priority: Critical
>   Original Estimate: 0.5h
>  Remaining Estimate: 0.5h
>
> After upgrade Hibernate from 3.2.0 to 3.6.0, I got following exception with following SQL (converted from HQL):
> select defaultwdo1_.displayDescriptionTemplate as displayDescriptionTemplate30_1_ from WJob wjob0_, WDocDist defaultwdo1_
> Caused by: com.sybase.jdbc3.jdbc.SybSQLException: The identifier that starts with 'displayDescriptionTemplate30_1' is too long. Maximum length is 30.
> 	at com.sybase.jdbc3.tds.Tds.a(Unknown Source)
> 	at com.sybase.jdbc3.tds.Tds.nextResult(Unknown Source)
> 	at com.sybase.jdbc3.jdbc.ResultGetter.nextResult(Unknown Source)
> 	at com.sybase.jdbc3.jdbc.SybStatement.nextResult(Unknown Source)
> 	at com.sybase.jdbc3.jdbc.SybStatement.nextResult(Unknown Source)
> 	at com.sybase.jdbc3.jdbc.SybStatement.queryLoop(Unknown Source)
> 	at com.sybase.jdbc3.jdbc.SybStatement.executeQuery(Unknown Source)
> 	at com.sybase.jdbc3.jdbc.SybPreparedStatement.executeQuery(Unknown Source)
> 	at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:208)
> 	at org.hibernate.loader.Loader.getResultSet(Loader.java:1953)
> The same SQL can be executed in native Sybase ISQL environment without any error. 
> The workaround using Sybase11Dilect or modify getMaxAliasLength() inside SybaseASE15Dialect to return a smaller number(e.g. 20)

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