hibernate-devel — development

RE: [Hibernate] Possible Bug in HQL

[Gavin K. <Gav...@ex...>]

> Here is a query in HQL:
> SELECT foo FROM foo IN CLASS Foo
> WHERE foo.color=3D'green' AND (foo.bar=3D? OR foo.bar.someValue=3D'happy')
>=20
[snip]
> The generated SQL-Code produces the cartesian product between=20
> Foo and Bar: SELECT ... FROM Foo foo, Bar sim0 WHERE=20
> (foo.color=3D'green')AND((foo.barId=3D[id of the bar that I=20
> provided] ) OR(sim0_.someValue=3D'happy'  and foo.barId=3Dsim0_.id))
>=20
> Thats what I want:
> SELECT ... FROM Foo foo, Bar sim0
> WHERE (foo.color=3D'green')AND((foo.barId=3D[id of the bar that I=20
> provided] )
> OR(sim0_.someValue=3D'happy')) AND foo.barId=3Dsim0_.id
>=20
> Any comments?

Hmmmmmm, yeah this is very interesting. I certainly wouldn't
characterize it as a "bug" (because the generated SQL is exactly
what is intended) but I agree it *is* counterintuitive that=20

 FROM foo IN CLASS Foo
 WHERE foo.color=3D'green'=20
 OR foo.bar.baz=3D'somethingThatBazIsNeverEqualTo'

and

 FROM foo IN CLASS Foo
 WHERE foo.color=3D'green'=20

would have *completely* different result sets.

Note that with the addition of a DISTINCT clause, they
give the same results, ie.

 SELECT DISTINCT foo FROM foo IN CLASS Foo
 WHERE foo.color=3D'green'=20
 OR foo.bar.baz=3D'somethingThatBazIsNeverEqualTo'

and

 SELECT DISTINCT foo FROM foo IN CLASS Foo
 WHERE foo.color=3D'green'

have exactly the same result sets.=20

On the other hand, your proposal is no good either, since
it does not return green Foos with bar=3Dnull. So it seems
to me like both are imperfect, but existing functionality
is better, because we can force what we mean by adding
"distinct".

I'm sure an OODB could handle this much more elegantly
but for a relational database, I don't think we can do
much better.....


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[Hibernate] Possible Bug in HQL

[Sven W. <s_...@in...>]

Ok, here are some tables.

CREATE TABLE Foo (
  id int PRIMARY KEY,
  color VARCHAR,
  barId int,
  FOREIGN KEY (barId) REFERENCES Bar
)

CREATE TABLE Bar (
  id int PRIMARY KEY,
  someValue VARCHAR
)

In the mapping there is a <many-to-one> association between Foo and Bar.

Here is a query in HQL:
SELECT foo FROM foo IN CLASS Foo
WHERE foo.color='green' AND (foo.bar=? OR foo.bar.someValue='happy')

What I mean:
Give me all the green foos that have a link to a happy bar or have a link
to a bar that I provide.

The generated SQL-Code produces the cartesian product between Foo and Bar:
SELECT ... FROM Foo foo, Bar sim0
WHERE (foo.color='green')AND((foo.barId=[id of the bar that I provided] )
OR(sim0_.someValue='happy'  and foo.barId=sim0_.id))

Thats what I want:
SELECT ... FROM Foo foo, Bar sim0
WHERE (foo.color='green')AND((foo.barId=[id of the bar that I provided] )
OR(sim0_.someValue='happy')) AND foo.barId=sim0_.id

Any comments?

ciao
 Sven

RE: [Hibernate] Hibernate XDoclet task

[Ara A. <ar...@ya...>]

It's a piece of cake: superclasses="true" in forAllMethods/forAllFields.

Ara. 

> -----Original Message-----
> From: hib...@li...
[mailto:hibernate-devel-
> ad...@li...] On Behalf Of Gavin King
> Sent: Thursday, December 26, 2002 10:28 AM
> To: Pablo I. Lalloni
> Cc: hib...@li...
> Subject: RE: [Hibernate] Hibernate XDoclet task
> 
> 
> This is a known limitation of the current Hibernate XDoclet
> module. Now, I think XDoclet can support remote methods defined
> on superclasses in its ejb module, so it must be possible to
> add support for persistent properties defined on superclasses
> to the Hibernate module.
> 
> Anyone know how to attack this problem?
> 
> > -----Original Message-----
> > From: Pablo I. Lalloni [mailto:pi...@gm...]
> > Sent: Tuesday, 24 December 2002 3:53 PM
> > To: hib...@li...
> > Subject: [Hibernate] Hibernate XDoclet task
> >
> >
> > Hola,
> >
> >    How do I map a superclass attribute using hibernate xdoclet task?
> >
> >    Say you have:
> >
> >    class X {
> >          private String _something;
> >          public String getSomething() {
> >                 return _something;
> >          }
> >          public void setSomething(String something) {
> >                 _something = something;
> >          }
> >    }
> >
> >    class Y extends X {
> >          private String _another;
> >          public String getAnother() {
> >                 return _another;
> >          }
> >          public void setAnother(String another) {
> >                 _another = another;
> >          }
> >
> >    }
> >
> >    And want to map class Y to a single table with fields for
> >    "something" and for "another"...
> >
> >    In Y.hbm.xml you would have:
> >
> >    <class name="Y">
> >           <property name="something"/>
> >           <property name="another"/>
> >    </class>
> >
> >    How do I generate that mapping with HibernateDoclet?
> >
> >    I this accomplishable?
> >
> > --
> > Saludos,
> >  Pablo                          mailto:pi...@ie...
> >
> > "The only thing that interferes with my learning is my
> > education." Albert Einstein
> >
> >
> >
> >
> > -------------------------------------------------------
> > This sf.net email is sponsored by:ThinkGeek
> > Welcome to geek heaven.
> > http://thinkgeek.com/sf
> > _______________________________________________
> > hibernate-devel mailing list hib...@li...
> > https://lists.sourceforge.net/lists/listinfo/hibernate-devel
> >
> 
> 
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[Hibernate] creating a composite-id with xdoclet

[Raible, M. <Mat...@ca...>]

Is it possible to create the following with xdoclet tags?

<composite-id>
<key-property column="HEADEND_ID" length="22" name="headendId"
type="java.lang.Long"/>
<key-property column="MSO_ID" length="22" name="msoId"
type="java.lang.Long"/>
<key-property column="USERID" length="16" name="userid"
type="java.lang.String"/>
</composite-id>

I generated this from our database, and now want to map back to it using
XDoclet.

Thanks,

Matt

RE: [Hibernate] XMass-gift ( hibernate/xdoclet/jboss demo )

[Gavin K. <Gav...@ex...>]

Cool. Looks good - I will add a link from the Hibernate Wiki.

One comment:

> _sessionFactory =3D ( cirrus.hibernate.SessionFactory )=20
> PortableRemoteObject.narrow( ic.lookup( "java:/hibernate/Samples" ),=20
> cirrus.hibernate.SessionFactory.class );


It shouldn't be necessary to use PortableRemoteObject here, right?
The SesionFactory is always a local object, so we can just typecast.


Thanks

Gavin

> -----Original Message-----
> From: Konstantin Priblouda [mailto:kpr...@ya...]=20
> Sent: Wednesday, 25 December 2002 12:13 AM
> To: hibernate-devel
> Cc: xdoclet-devel
> Subject: [Hibernate] XMass-gift ( hibernate/xdoclet/jboss demo )
>=20
>=20
> Hi all,=20
> demo finally works as intendet.=20
> Download it at:
> http://www.pribluda.de/hibernate-test.tar.gz
>=20
> merry xmass...
>=20
>=20
>=20
> =3D=3D=3D=3D=3D
> Konstantin Priblouda ( ko5tik )    Freelance Software developer
> < http://www.pribluda.de > < play java games ->=20
http://www.yook.de > < render charts online ->
http://www.pribluda.de/povray/ >

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-------------------------------------------------------
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Welcome to geek heaven.
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RE: [Hibernate] Hibernate XDoclet task

[Gavin K. <Gav...@ex...>]

This is a known limitation of the current Hibernate XDoclet=20
module. Now, I think XDoclet can support remote methods defined
on superclasses in its ejb module, so it must be possible to
add support for persistent properties defined on superclasses
to the Hibernate module.

Anyone know how to attack this problem?

> -----Original Message-----
> From: Pablo I. Lalloni [mailto:pi...@gm...]=20
> Sent: Tuesday, 24 December 2002 3:53 PM
> To: hib...@li...
> Subject: [Hibernate] Hibernate XDoclet task
>=20
>=20
> Hola,
>=20
>    How do I map a superclass attribute using hibernate xdoclet task?
>=20
>    Say you have:
>=20
>    class X {
>          private String _something;
>          public String getSomething() {
>                 return _something;
>          }
>          public void setSomething(String something) {
>                 _something =3D something;
>          }
>    }
>=20
>    class Y extends X {
>          private String _another;
>          public String getAnother() {
>                 return _another;
>          }
>          public void setAnother(String another) {
>                 _another =3D another;
>          }
>         =20
>    }
>=20
>    And want to map class Y to a single table with fields for
>    "something" and for "another"...
>=20
>    In Y.hbm.xml you would have:
>=20
>    <class name=3D"Y">
>           <property name=3D"something"/>
>           <property name=3D"another"/>
>    </class>
>=20
>    How do I generate that mapping with HibernateDoclet?
>   =20
>    I this accomplishable?
>=20
> --=20
> Saludos,
>  Pablo                          mailto:pi...@ie...
>=20
> "The only thing that interferes with my learning is my=20
> education." Albert Einstein
>=20
>=20
>=20
>=20
> -------------------------------------------------------
> This sf.net email is sponsored by:ThinkGeek
> Welcome to geek heaven.
> http://thinkgeek.com/sf=20
> _______________________________________________
> hibernate-devel mailing list hib...@li...
> https://lists.sourceforge.net/lists/listinfo/hibernate-devel
>=20


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[Hibernate] [ hibernate-Feature Requests-651407 ] Unique fields

[<no...@so...>]

Feature Requests item #651407, was opened at 2002-12-10 23:47
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=428711&aid=651407&group_id=40712

Category: None
Group: None
>Status: Closed
Priority: 5
Submitted By: Alex Chudnovsky (chud73)
>Assigned to: Gavin King (oneovthafew)
Summary: Unique fields

Initial Comment:
Have the ability to specify unique fields in the mapping 
descriptor.

----------------------------------------------------------------------

>Comment By: Gavin King (oneovthafew)
Date: 2002-12-26 17:19

Message:
Logged In: YES 
user_id=384580

I have implemented this and comitted to CVS.

Enjoy :)

----------------------------------------------------------------------

Comment By: Alex Chudnovsky (chud73)
Date: 2002-12-11 23:32

Message:
Logged In: YES 
user_id=453581

I apologize for the ambiguity, Yes exactly,  I mean multiple-
column unique constraint.

----------------------------------------------------------------------

Comment By: Gavin King (oneovthafew)
Date: 2002-12-11 20:05

Message:
Logged In: YES 
user_id=384580

A single <column> can be specified as unique....do you 
mean the ability to specify a multiple-column unique 
constraint?

----------------------------------------------------------------------

You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=428711&aid=651407&group_id=40712

[Hibernate] [ hibernate-Bugs-652053 ] Code generator doesn't work with Bag

[<no...@so...>]

Bugs item #652053, was opened at 2002-12-11 15:39
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=428708&aid=652053&group_id=40712

Category: None
Group: None
Status: Closed
Resolution: Fixed
Priority: 7
Submitted By: Andrea Aime (aaime)
Assigned to: Nobody/Anonymous (nobody)
Summary: Code generator doesn't work with Bag 

Initial Comment:
It seems that the code generator won't generate 
property and accessor methods for bags... the following
snippet:

<class name="it.satanet.ketpl.model.PriceListInventory"
         table="pricelist_inventory">
    <id name="id" column="id" type="long"
unsaved-value="null">
      <generator class="sequence"/>
    </id>
    <property name="date" column="pli_date" type="date"/>
    <property name="revision" type="integer"/>
    <bag role="lists" table="pl_inventory">
        <key column="inventory_id"/>
        <many-to-many
class="it.satanet.ketpl.model.PriceList"
column="pricelist_id" not-null="true"/>
    </list>
  </class>

is not code generated properly. Also, note that the
code generator forgets to add an emtpy line after
setters, so that setter and getter method for the
same property are contiguous (just a readability
problem)

----------------------------------------------------------------------

>Comment By: Max R. Andersen (maxcsaucdk)
Date: 2002-12-25 11:51

Message:
Logged In: YES 
user_id=18119

To Gavin: This patch was so small (a one-liner) that i did 
not bother (lazy me :). But yes - if something "bigger" 
comes up i'll ofcourse make patches against the current 
CVS instead of just CVS+mymetaattribpatch.

Merry Xmas

----------------------------------------------------------------------

Comment By: Gavin King (oneovthafew)
Date: 2002-12-25 05:47

Message:
Logged In: YES 
user_id=384580

Fixed in CVS.

P.S. Max, are your maintaining your codegen patch against 
current development? I hope so ... because we still have to 
integrate this at some stage .....

----------------------------------------------------------------------

Comment By: Max R. Andersen (maxcsaucdk)
Date: 2002-12-22 23:53

Message:
Logged In: YES 
user_id=18119

This is easily fixed.




Add this line:


doCollections(classElement, "bag", "java.util.Collection", 
"java.util.ArrayList");




into ClassMapping.java after the 3 other doCollections line.




Gavin, is this enough or do you want a patch ? (I haven't 
made the patch because my local codegenerator contains the 
not yet integrated codegen patch)


      


----------------------------------------------------------------------

Comment By: Andrea Aime (aaime)
Date: 2002-12-11 15:43

Message:
Logged In: YES 
user_id=617186

Ah ehm, sorry, the correct mapping is:

<class name="it.satanet.ketpl.model.PriceListInventory"
         table="pricelist_inventory">
    <id name="id" column="id" type="long" unsaved-value="null">
      <generator class="sequence"/>
    </id>
    <property name="date" column="pli_date" type="date"/>
    <property name="revision" type="integer"/>
    <bag role="lists" table="pl_inventory">
        <key column="inventory_id"/>
        <many-to-many
class="it.satanet.ketpl.model.PriceList"
column="pricelist_id" not-null="true"/>
    </bag>
  </class>

----------------------------------------------------------------------

You can respond by visiting: 
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Re: [Hibernate] Problems with hibernate.jar on a shared webapp

[Juozas B. <ba...@ce...>]

Hi, Iam afraid security stuff is undocumented but try this:
grant permissions in policy configuration, I see hibernate doe's not have
permissions to read system properties:
>at
java.lang.SecurityManager.checkPropertiesAccess(SecurityManager.java:1259)
>         at java.lang.System.getProperties(System.java:500)
>         at cirrus.hibernate.Environment.<clinit>(Environment.java:298)
>
It needs reflect permission too ( "setAccessable", "getDeclaredMethod",
.... ).
hibernate doe's not use Privileged actions, you will need "global" settings
and I think security stuff will decrease performance.



----- Original Message -----
From: "Renato" <rew...@ya...>
To: <hib...@li...>
Sent: Tuesday, December 24, 2002 5:54 PM
Subject: [Hibernate] Problems with hibernate.jar on a shared webapp


>
> Hi,
>
> I'd like to report a problem regarding a shared webapp environment ( on
Tomcat 4.1.x ). Since we do not allow users to change the System.properties
environment, when somebody puts hibernate.jar on a webapp we got a security
constraint violation:
>
> 2002-12-24 12:43:03 StandardContext[/teste]: Servlet /teste threw load()
exception
> javax.servlet.ServletException: Servlet.init() for servlet startupservlet
threw exception
>         at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:95
2)
>         at
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:813)
>         at
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:
3341)
>         at
org.apache.catalina.core.StandardContext.start(StandardContext.java:3535)
>         at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
>         at
org.apache.catalina.core.StandardHost.start(StandardHost.java:738)
>         at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
>         at
org.apache.catalina.core.StandardEngine.start(StandardEngine.java:347)
>         at
org.apache.catalina.core.StandardService.start(StandardService.java:497)
>         at
org.apache.catalina.core.StandardServer.start(StandardServer.java:2189)
>         at org.apache.catalina.startup.Catalina.start(Catalina.java:510)
>         at org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
>         at org.apache.catalina.startup.Catalina.process(Catalina.java:180)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
>         at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:324)
>         at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:203)
> ----- Root Cause -----
> java.lang.ExceptionInInitializerError
>         at
cirrus.hibernate.impl.DatastoreImpl.buildSessionFactory(DatastoreImpl.java:3
79)
>         at
cirrus.hibernate.impl.DatastoreImpl.buildSessionFactory(DatastoreImpl.java:3
69)
>         at
br.com.grafset.business.ObjectHandler.buildSessionFactory(ObjectHandler.java
:48)
>         at
br.com.grafset.StartupServlet.initPersistence(StartupServlet.java:49)
>         at br.com.grafset.StartupServlet.init(StartupServlet.java:29)
>         at javax.servlet.GenericServlet.init(GenericServlet.java:258)
>         at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:92
4)
>         at
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:813)
>         at
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:
3341)
>         at
org.apache.catalina.core.StandardContext.start(StandardContext.java:3535)
>         at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
>         at
org.apache.catalina.core.StandardHost.start(StandardHost.java:738)
>         at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
>         at
org.apache.catalina.core.StandardEngine.start(StandardEngine.java:347)
>         at
org.apache.catalina.core.StandardService.start(StandardService.java:497)
>         at
org.apache.catalina.core.StandardServer.start(StandardServer.java:2189)
>         at org.apache.catalina.startup.Catalina.start(Catalina.java:510)
>         at org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
>         at org.apache.catalina.startup.Catalina.process(Catalina.java:180)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
>         at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:324)
>         at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:203)
> Caused by: java.security.AccessControlException: access denied
(java.util.PropertyPermission * read,write)
>         at
java.security.AccessControlContext.checkPermission(AccessControlContext.java
:270)
>         at
java.security.AccessController.checkPermission(AccessController.java:401)
>         at
java.lang.SecurityManager.checkPermission(SecurityManager.java:542)
>         at
java.lang.SecurityManager.checkPropertiesAccess(SecurityManager.java:1259)
>         at java.lang.System.getProperties(System.java:500)
>         at cirrus.hibernate.Environment.<clinit>(Environment.java:298)
>
>
> Is it really necessary to modify the System.Properties ? If it is, is
there any workaround to this problem, so somebody could use hibernate on a
shared environment ?
>
> Thanks for your time
>
> Renato.
>
>
>
> ---------------------------------
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[Hibernate] [ hibernate-Bugs-653858 ] Line feeds in queries parsed incorrectly

[<no...@so...>]

Bugs item #653858, was opened at 2002-12-15 08:33
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=428708&aid=653858&group_id=40712

Category: None
Group: None
Status: Open
Resolution: None
>Priority: 3
Submitted By: Alex Staubo (byzantium)
Assigned to: Nobody/Anonymous (nobody)
Summary: Line feeds in queries parsed incorrectly

Initial Comment:
The following query does not work:

select
  
o1
from
  o1 in class ICategory
where
  o1.url = 
'type:rootcat'

Hibernate will complain that the 
class name "Foo" does not exist. The following query 
does work:

select
  o1
from
  o1 in class 
ICategory where o1.url = 'type:rootcat'

Looks like 
line feed handling is out of whack.

----------------------------------------------------------------------

>Comment By: Gavin King (oneovthafew)
Date: 2002-12-25 16:05

Message:
Logged In: YES 
user_id=384580

I can't reproduce this problem; would you please have a 
closer look (try stepping through code) to figure out whats 
wrong.

TIA

Gavin

----------------------------------------------------------------------

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[Hibernate] [ hibernate-Bugs-650943 ] Incomplete index creation

[<no...@so...>]

Bugs item #650943, was opened at 2002-12-10 03:17
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=428708&aid=650943&group_id=40712

Category: None
Group: None
>Status: Closed
>Resolution: Fixed
Priority: 5
Submitted By: Benoit Menendez (bmenendez)
Assigned to: Nobody/Anonymous (nobody)
Summary: Incomplete index creation

Initial Comment:
I have a many-to-many relationship defined 
bidirectionaly as Class A has a Set of B and class B 
has a set of A... I declared one of the two sets as 
readonly (as the documentation says) and only one of 
the two indices is created 

----------------------------------------------------------------------

>Comment By: Gavin King (oneovthafew)
Date: 2002-12-25 15:48

Message:
Logged In: YES 
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This was fixed.

----------------------------------------------------------------------

Comment By: Gavin King (oneovthafew)
Date: 2002-12-16 17:46

Message:
Logged In: YES 
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Is this bug now fixed (by your patch)?

----------------------------------------------------------------------

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[Hibernate] [ hibernate-Bugs-652053 ] Code generator doesn't work with Bag

[<no...@so...>]

Bugs item #652053, was opened at 2002-12-12 01:39
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=428708&aid=652053&group_id=40712

Category: None
Group: None
>Status: Closed
>Resolution: Fixed
Priority: 7
Submitted By: Andrea Aime (aaime)
Assigned to: Nobody/Anonymous (nobody)
Summary: Code generator doesn't work with Bag 

Initial Comment:
It seems that the code generator won't generate 
property and accessor methods for bags... the following
snippet:

<class name="it.satanet.ketpl.model.PriceListInventory"
         table="pricelist_inventory">
    <id name="id" column="id" type="long"
unsaved-value="null">
      <generator class="sequence"/>
    </id>
    <property name="date" column="pli_date" type="date"/>
    <property name="revision" type="integer"/>
    <bag role="lists" table="pl_inventory">
        <key column="inventory_id"/>
        <many-to-many
class="it.satanet.ketpl.model.PriceList"
column="pricelist_id" not-null="true"/>
    </list>
  </class>

is not code generated properly. Also, note that the
code generator forgets to add an emtpy line after
setters, so that setter and getter method for the
same property are contiguous (just a readability
problem)

----------------------------------------------------------------------

>Comment By: Gavin King (oneovthafew)
Date: 2002-12-25 15:47

Message:
Logged In: YES 
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Fixed in CVS.

P.S. Max, are your maintaining your codegen patch against 
current development? I hope so ... because we still have to 
integrate this at some stage .....

----------------------------------------------------------------------

Comment By: Max R. Andersen (maxcsaucdk)
Date: 2002-12-23 09:53

Message:
Logged In: YES 
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This is easily fixed.




Add this line:


doCollections(classElement, "bag", "java.util.Collection", 
"java.util.ArrayList");




into ClassMapping.java after the 3 other doCollections line.




Gavin, is this enough or do you want a patch ? (I haven't 
made the patch because my local codegenerator contains the 
not yet integrated codegen patch)


      


----------------------------------------------------------------------

Comment By: Andrea Aime (aaime)
Date: 2002-12-12 01:43

Message:
Logged In: YES 
user_id=617186

Ah ehm, sorry, the correct mapping is:

<class name="it.satanet.ketpl.model.PriceListInventory"
         table="pricelist_inventory">
    <id name="id" column="id" type="long" unsaved-value="null">
      <generator class="sequence"/>
    </id>
    <property name="date" column="pli_date" type="date"/>
    <property name="revision" type="integer"/>
    <bag role="lists" table="pl_inventory">
        <key column="inventory_id"/>
        <many-to-many
class="it.satanet.ketpl.model.PriceList"
column="pricelist_id" not-null="true"/>
    </bag>
  </class>

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[Hibernate] Problems with hibernate.jar on a shared webapp

[Renato <rew...@ya...>]

Hi,

I'd like to report a problem regarding a shared webapp environment ( on Tomcat 4.1.x ). Since we do not allow users to change the System.properties environment, when somebody puts hibernate.jar on a webapp we got a security constraint violation:

2002-12-24 12:43:03 StandardContext[/teste]: Servlet /teste threw load() exception
javax.servlet.ServletException: Servlet.init() for servlet startupservlet threw exception
        at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:952)
        at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:813)
        at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3341)
        at org.apache.catalina.core.StandardContext.start(StandardContext.java:3535)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
        at org.apache.catalina.core.StandardHost.start(StandardHost.java:738)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
        at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:347)
        at org.apache.catalina.core.StandardService.start(StandardService.java:497)
        at org.apache.catalina.core.StandardServer.start(StandardServer.java:2189)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:510)
        at org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
        at org.apache.catalina.startup.Catalina.process(Catalina.java:180)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:203)
----- Root Cause -----
java.lang.ExceptionInInitializerError
        at cirrus.hibernate.impl.DatastoreImpl.buildSessionFactory(DatastoreImpl.java:379)
        at cirrus.hibernate.impl.DatastoreImpl.buildSessionFactory(DatastoreImpl.java:369)
        at br.com.grafset.business.ObjectHandler.buildSessionFactory(ObjectHandler.java:48)
        at br.com.grafset.StartupServlet.initPersistence(StartupServlet.java:49)
        at br.com.grafset.StartupServlet.init(StartupServlet.java:29)
        at javax.servlet.GenericServlet.init(GenericServlet.java:258)
        at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:924)
        at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:813)
        at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3341)
        at org.apache.catalina.core.StandardContext.start(StandardContext.java:3535)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
        at org.apache.catalina.core.StandardHost.start(StandardHost.java:738)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
        at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:347)
        at org.apache.catalina.core.StandardService.start(StandardService.java:497)
        at org.apache.catalina.core.StandardServer.start(StandardServer.java:2189)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:510)
        at org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
        at org.apache.catalina.startup.Catalina.process(Catalina.java:180)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:203)
Caused by: java.security.AccessControlException: access denied (java.util.PropertyPermission * read,write)
        at java.security.AccessControlContext.checkPermission(AccessControlContext.java:270)
        at java.security.AccessController.checkPermission(AccessController.java:401)
        at java.lang.SecurityManager.checkPermission(SecurityManager.java:542)
        at java.lang.SecurityManager.checkPropertiesAccess(SecurityManager.java:1259)
        at java.lang.System.getProperties(System.java:500)
        at cirrus.hibernate.Environment.<clinit>(Environment.java:298)


Is it really necessary to modify the System.Properties ? If it is, is there any workaround to this problem, so somebody could use hibernate on a shared environment ?

Thanks for your time

Renato.



---------------------------------
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[Hibernate] [ hibernate-Bugs-650276 ] Incorrect documentation

[<no...@so...>]

Bugs item #650276, was opened at 2002-12-08 14:30
You can respond by visiting: 
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Category: None
Group: None
>Status: Closed
>Resolution: Fixed
Priority: 5
Submitted By: Stephen Bate (sbate)
Assigned to: Nobody/Anonymous (nobody)
Summary: Incorrect documentation

Initial Comment:
The reference manual states that interceptors will fire "before [an object] is saved, updated or deleted and after it is loaded". However, the Javadocs say the interceptor will fire *before* an object is loaded rather than afterwards. The source code appears to support the Javadocs rather than the reference manual.

Also, what is the purpose of the boolean return from onLoad()? It doesn't appear to be used anywhere in the Hibernate implementation.

Steve

----------------------------------------------------------------------

>Comment By: Gavin King (oneovthafew)
Date: 2002-12-25 00:50

Message:
Logged In: YES 
user_id=384580

Fixed!

----------------------------------------------------------------------

Comment By: Gavin King (oneovthafew)
Date: 2002-12-09 09:33

Message:
Logged In: YES 
user_id=384580

Excuse me .... posted that in the wrong window!

----------------------------------------------------------------------

Comment By: Gavin King (oneovthafew)
Date: 2002-12-09 09:33

Message:
Logged In: YES 
user_id=384580

http://sourceforge.net/forum/forum.php?thread_id=776590&forum_id=128638

You should be able to export tables by giving only a
.cfg.xml file.

----------------------------------------------------------------------

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[Hibernate] [ hibernate-Patches-657927 ] make Query.setMaxResults work for SAPDB

[<no...@so...>]

Patches item #657927, was opened at 2002-12-24 05:19
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=428710&aid=657927&group_id=40712

Category: None
Group: None
>Status: Closed
>Resolution: Accepted
Priority: 5
Submitted By: J. Russell Smyth (drfish)
Assigned to: Nobody/Anonymous (nobody)
Summary: make Query.setMaxResults work for SAPDB

Initial Comment:
Some databases do not fully support 
PreparedStatement.setMaxRows() (Notably SAPDB 
when using scrollable result sets, as indicated by the 
workaround in SQLFunctionsTest)

This patch will allow Query.setMaxResults to work even 
if the database in question does not correctly support 
PreparedStatement.setMaxRows() 

----------------------------------------------------------------------

>Comment By: Gavin King (oneovthafew)
Date: 2002-12-25 00:45

Message:
Logged In: YES 
user_id=384580

Applied to CVS. please confirm that this is working on 
SAPDB. Thanks.

----------------------------------------------------------------------

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[Hibernate] [ hibernate-Patches-657080 ] Better messages in FromParser

[<no...@so...>]

Patches item #657080, was opened at 2002-12-21 12:34
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=428710&aid=657080&group_id=40712

Category: None
Group: None
>Status: Closed
>Resolution: Accepted
Priority: 5
Submitted By: Max R. Andersen (maxcsaucdk)
Assigned to: Nobody/Anonymous (nobody)
Summary: Better messages in FromParser

Initial Comment:
While looking into outer join i found that by adding a few 
lines to the possible thrown exceptions the user would be 
better informed.




So here are those changes.


----------------------------------------------------------------------

>Comment By: Gavin King (oneovthafew)
Date: 2002-12-25 00:42

Message:
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applied to CVS

----------------------------------------------------------------------

Comment By: Gavin King (oneovthafew)
Date: 2002-12-21 16:18

Message:
Logged In: YES 
user_id=384580

Cool, thanks.

----------------------------------------------------------------------

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[Hibernate] XMass-gift ( hibernate/xdoclet/jboss demo )

[Konstantin P. <kpr...@ya...>]

Hi all, 
demo finally works as intendet. 
Download it at:
http://www.pribluda.de/hibernate-test.tar.gz

merry xmass...



=====
Konstantin Priblouda ( ko5tik )    Freelance Software developer
< http://www.pribluda.de > < play java games -> http://www.yook.de >
< render charts online -> http://www.pribluda.de/povray/ >

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RE: [Hibernate] New version of hibernate/xdoclet/jboss demo

[Konstantin P. <kpr...@ya...>]

--- Gavin King <Gav...@ex...> wrote:
>  
> > Current xdoclet stuff is not very intuitive. 
> 
> Please feel free to make improvements :)

Doing this all the time :) I'm xdoclet committer :)


> > For example it needs 3 tags to specify 
> > bag - hibernate.bag,
> hibernate.collection-one-to-many
> > & hibernate.collection-key ( and maybe about jca
> cache
> > ) - "this sux" (c) Burt Simpson :)
> 
> Yeah I had felt that that was suboptimal myself.
> There
> is one thing it has going for it though: it reflects
> the structure of the mapping DTD.

Well, reflecting structure of DTD is a good thing. 
But since <bag> et al do need those one-to-may or many
to many anyway... I'll think about  improving it. 

 
> > 
> > > 3. strictly, you are supposed to call
> > > session.flush() even after a 
> > >    save(). In this very simple case you can get
> away
> > > with it but in
> > >    other cases, and when any other style of id
> > > generation than
> > >    "native" is used, its needed.
> > 
> > Well, already doing this. 
> 
> There was one spot it was missing.
> 
> > > Otherwise, this is turning into a very useful
> demo.
> > 
> > Not yet. Updating customer with collection opf
> > addresses does not work, also deleting...
> 
> It works if everything is mapped correctly, esp. you
> need to specify unsaved-value.
Well, yesterday I got the demo to work correctly. 
I will upload this in half-hour as small cristmass 
gift :)
Usual place:
http://www.pribluda.de/hibernate-test.tar.gz

regards,

=====
Konstantin Priblouda ( ko5tik )    Freelance Software developer
< http://www.pribluda.de > < play java games -> http://www.yook.de >
< render charts online -> http://www.pribluda.de/povray/ >

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[Hibernate] Hibernate XDoclet task

[Pablo I. L. <pi...@gm...>]

Hola,

   How do I map a superclass attribute using hibernate xdoclet task?

   Say you have:

   class X {
         private String _something;
         public String getSomething() {
                return _something;
         }
         public void setSomething(String something) {
                _something = something;
         }
   }

   class Y extends X {
         private String _another;
         public String getAnother() {
                return _another;
         }
         public void setAnother(String another) {
                _another = another;
         }
         
   }

   And want to map class Y to a single table with fields for
   "something" and for "another"...

   In Y.hbm.xml you would have:

   <class name="Y">
          <property name="something"/>
          <property name="another"/>
   </class>

   How do I generate that mapping with HibernateDoclet?
   
   I this accomplishable?

-- 
Saludos,
 Pablo                          mailto:pi...@ie...

"The only thing that interferes with my learning is my education."
Albert Einstein

RE: [Hibernate] Patch/Bug tracking suggestion...

[Gavin K. <Gav...@ex...>]

Thanks Max; that is useful :)

> -----Original Message-----
> From: Max Rydahl Andersen [mailto:ma...@eo...]=20
> Sent: Monday, 23 December 2002 11:54 PM
> To: hib...@li...
> Subject: Re: [Hibernate] Patch/Bug tracking suggestion...
>=20
>=20
> 14 hours and no objections - it is hereby done :)
>=20
> Postings at Patches, Bug reports, feature and support request=20
> will now be send to the devel list.
>=20
> /max
>=20
> ----- Original Message -----
> From: "Max Rydahl Andersen" <ma...@eo...>
> To: <hib...@li...>
> Sent: Monday, December 23, 2002 12:03 AM
> Subject: [Hibernate] Patch/Bug tracking suggestion...
>=20
>=20
> > I would like to suggest that we configure Sourceforge to send any=20
> > submissions in the Patch and Bug tracking system to the=20
> > hibernate-devel list, just so we can keep track of it.
> >
> > Anyone against this ? (If noone objects in the next 12 hours, i'll=20
> > make
> the
> > change happen :)
> >
> > (If the burden at some time gets to high we can always create a=20
> > separete patchbug mailinglist)
> >
> > /max
> >
> >
> >
> > -------------------------------------------------------
> > This sf.net email is sponsored by:ThinkGeek
> > Welcome to geek heaven.
> > http://thinkgeek.com/sf=20
> > _______________________________________________
> > hibernate-devel mailing list hib...@li...
> > https://lists.sourceforge.net/lists/listinfo/hibernate-devel
> >
>=20
>=20
>=20
> -------------------------------------------------------
> This sf.net email is sponsored by:ThinkGeek
> Welcome to geek heaven.
> http://thinkgeek.com/sf
> _______________________________________________
> hibernate-devel mailing list
> hib...@li...
> https://lists.sourceforge.net/lists/listinfo/hibernate-devel
>=20


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RE: [Hibernate] mapping

[Gavin K. <Gav...@ex...>]

Currently the map-parsing code is badly designed. Trouble is I'm not
sure what a good design would look like. I do know a few people have
found it to be a limitation. Unfortunately I don't personally enough
spare cycles to expend any on this problem.

If someone wants to redesign / reimplement this stuff they are *very*
welcome. It is quite a mess presently.

> -----Original Message-----
> From: Juozas Baliuka [mailto:ba...@ma...]=20
> Sent: Monday, 24 December 2001 5:30 AM
> To: hib...@li...
> Subject: [Hibernate] mapping
>=20
>=20
> Is it possible to use some "custom" format for mapping=20
> without transformations to XML ? I want to implement some=20
> experimental definition language and use it with hibernate,=20
> but can't find  ways to plug mapping layer without code modifications.
>=20
>=20
>=20
>=20
> -------------------------------------------------------
> This sf.net email is sponsored by:ThinkGeek
> Welcome to geek heaven.
> http://thinkgeek.com/sf=20
> _______________________________________________
> hibernate-devel mailing list hib...@li...
> https://lists.sourceforge.net/lists/listinfo/hibernate-devel
>=20


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RE: [Hibernate] [PATCH] make Query.setMaxResults() work for all databases

[Gavin K. <Gav...@ex...>]

Thanks. I will apply this asap :)

> -----Original Message-----
> From: Russell Smyth [mailto:rs...@co...]=20
> Sent: Tuesday, 24 December 2002 5:31 AM
> To: Hibernate-Devel (E-mail)
> Subject: [Hibernate] [PATCH] make Query.setMaxResults() work=20
> for all databases
>=20
>=20
> I have submitted a patch to the SF patch manager which allows
> Query.setMaxResults() to work
> even on databases which do not support=20
> PreparedStatement.setMaxRows(), such as SAPDB (which we must=20
> work with).
>=20
> The change is small, but it should increase compatablity greatly.
>=20
> My patch also includes removing the workaround from the test=20
> for this feature for SAPDB.
>=20
>=20
> -------------------------------------------------------
> This sf.net email is sponsored by:ThinkGeek
> Welcome to geek heaven.
> http://thinkgeek.com/sf=20
> _______________________________________________
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> https://lists.sourceforge.net/lists/listinfo/hibernate-devel
>=20


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RE: [Hibernate] New version of hibernate/xdoclet/jboss demo

[Gavin K. <Gav...@ex...>]

=20
> Current xdoclet stuff is not very intuitive.=20

Please feel free to make improvements :)

> For example it needs 3 tags to specify=20
> bag - hibernate.bag, hibernate.collection-one-to-many
> & hibernate.collection-key ( and maybe about jca cache
> ) - "this sux" (c) Burt Simpson :)

Yeah I had felt that that was suboptimal myself. There
is one thing it has going for it though: it reflects
the structure of the mapping DTD.


> Toplevel collections are difficult for xdoclet -=20
> xdoclet works with source classes, so I'm not sure=20
> where they shall be defined.=20

Ignore them. We are getting rid of them anyway.

>=20
> > 3. strictly, you are supposed to call
> > session.flush() even after a=20
> >    save(). In this very simple case you can get away
> > with it but in
> >    other cases, and when any other style of id
> > generation than
> >    "native" is used, its needed.
>=20
> Well, already doing this.=20

There was one spot it was missing.

> > Otherwise, this is turning into a very useful demo.
>=20
> Not yet. Updating customer with collection opf
> addresses does not work, also deleting...

It works if everything is mapped correctly, esp. you
need to specify unsaved-value.


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[Hibernate] [ hibernate-Patches-652500 ] Shell scripts to run hibernate tools

[<no...@so...>]

Patches item #652500, was opened at 2002-12-12 16:41
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=428710&aid=652500&group_id=40712

Category: None
Group: None
>Status: Closed
>Resolution: Invalid
Priority: 5
Submitted By: Jeffery Cann (jccann)
Assigned to: Nobody/Anonymous (nobody)
Summary: Shell scripts to run hibernate tools

Initial Comment:
Awesome library!  Here's some shell scripts for the
hibernate1.2/bin.  I tested them on Mandrake Linux, but
they should work for most any Bourne-ish shell (ksh,
sh, bash)...

These will unzip / untar into hibernate-1.2/bin

hibernate-1.2/bin/CodeGenerator.sh
hibernate-1.2/bin/MapGenerator.sh
hibernate-1.2/bin/ReverseGenerator.sh
hibernate-1.2/bin/SchemaExport.sh
hibernate-1.2/bin/SchemaUpdate.sh

Later

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Comment By: Gavin King (oneovthafew)
Date: 2002-12-12 21:35

Message:
Logged In: YES 
user_id=384580

Woops! You forgot to attach the files! ;)

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Comment By: Gavin King (oneovthafew)
Date: 2002-12-12 20:43

Message:
Logged In: YES 
user_id=384580

Thanks! I will add them to the build ASAP. :)

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You can respond by visiting: 
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[Hibernate] mapping

[Juozas B. <ba...@ma...>]

Is it possible to use some "custom" format for mapping without
transformations to XML ?
I want to implement some experimental definition language and use it with
hibernate, but
can't find  ways to plug mapping layer without code modifications.