[Hibernate-JIRA] Created: (HHH-2844) Limit and 'For Update' do not work on Oracle
by Michael Kopp (JIRA)
Limit and 'For Update' do not work on Oracle
--------------------------------------------
Key: HHH-2844
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2844
Project: Hibernate3
Issue Type: Bug
Components: query-sql
Affects Versions: 3.2.2
Reporter: Michael Kopp
Limits on oracle lead too:
select * from (select x.y as xy_1 from table x) where rownum <= 5
when doing a for update that leads too
select * from (select x.y as xy_1 from table x) where rownum <= 5 for update of x.y
The problem is that the x.y is invalid and not found within the temporary view and leads to an oracle error.
what would be valid is the name of the view column xy_1, meaning
select * from (select x.y as xy_1 from table x) where rownum <= 5 for update of xy_1
Actually this should be valid in all cases when doing a alias for update lock.
My Solution thus was to override the following in my own Oracle Dialect
public String applyLocksToSql(final String sql, final Map aliasedLockModes, final Map keyColumnNames)
{
final String s = new ForUpdateFragment(this, aliasedLockModes, keyColumnNames)
{
@Override
public ForUpdateFragment addTableAlias(final String alias)
{
// search for alias in sql
final int i = sql.indexOf(alias);
// check if the found string is followed by an ' as ' and thus has a column alias
if (i != -1 && sql.length() > (i + alias.length() + 4) && sql.substring(i + alias.length(), i + alias.length() + 4).equals(
" as "))
{
// use the column alias
return super.addTableAlias(sql.substring(i + alias.length() + 4, sql.indexOf(',',i + alias.length() + 4)));
}
return super.addTableAlias(alias);
}
}.toFragmentString();
return sql + s;
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11 years, 3 months
[Hibernate-JIRA] Created: (HBX-939) Composite IDs and many-to-many relationships
by Markus Kramer (JIRA)
Composite IDs and many-to-many relationships
--------------------------------------------
Key: HBX-939
URL: http://opensource.atlassian.com/projects/hibernate/browse/HBX-939
Project: Hibernate Tools
Issue Type: Bug
Affects Versions: 3.2beta9
Environment: Hibrnate 3.2.1, Postgresql 8.1.8
Reporter: Markus Kramer
Attachments: B.hbm.xml, testdb.sql
The detection of many-to-many relationships doesn't work correctly if the primary key of one of the involved tables consists of more than one field.
An example:
One of two tables (table 'A') of a many-to-many relationship has a primary key consisting of two attributes (id1 and id2).
The generated B.hbm.xml for the table 'B' contains this:
<set name="as" inverse="true" table="a_b">
<key>
<column name="b_id" not-null="true" />
</key>
<many-to-many entity-name="test.A">
<column name="a_id1" not-null="true" />
</many-to-many>
</set>
But there should be another entry for the referenced primary key:
<column name="a_id2" not-null="true" />
The SQL code for the used tables and the complete B.hbm.xml are attached.
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11 years, 3 months
[Hibernate-JIRA] Created: (HHH-3129) Null Role in PersitentCollection during a onCollectionRecreate() in an Interceptor
by Jose CHILLAN (JIRA)
Null Role in PersitentCollection during a onCollectionRecreate() in an Interceptor
----------------------------------------------------------------------------------
Key: HHH-3129
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3129
Project: Hibernate3
Issue Type: Bug
Components: core
Affects Versions: 3.2.6
Environment: Any
Reporter: Jose CHILLAN
When the "onCollectionRecreate" is invoked on an Interceptor, the getRole() method returns null. After investigation,
the problem is located in the class CollectionEntry in one of its constructors and is easily solved using the patch :
public CollectionEntry(CollectionPersister persister, PersistentCollection collection)
{
// new collections that get found + wrapped
// during flush shouldn't be ignored
ignore = false;
collection.clearDirty(); //a newly wrapped collection is NOT dirty (or we get unnecessary version updates)
snapshot = persister.isMutable() ? collection.getSnapshot(persister) : null;
// -- ADDED LINE HERE --
role = persister.getRole();
collection.setSnapshot(loadedKey, role, snapshot);
}
Thanks
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11 years, 3 months
[Hibernate-JIRA] Created: (HHH-2847) THIS_"."NAME": invalid identifier when using createCriteria with addOrder
by Ashish Tiwari (JIRA)
THIS_"."NAME": invalid identifier when using createCriteria with addOrder
-------------------------------------------------------------------------
Key: HHH-2847
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2847
Project: Hibernate3
Issue Type: Bug
Components: query-criteria
Affects Versions: 3.0.5
Environment: Oracle - 10.2.0
Reporter: Ashish Tiwari
We are using hibernate 3.0.5 and once a while I see following error getting generated due to incorrect SQL generated by hibernate:
Hibernate: select systembean0_.SYSTEMID as SYSTEMID12_0_, systembean0_.Version as Version12_0_, systembean0_.NAME as NAME12_0_, systembean0_.TYPE as TYPE12_0_, systembean0_.DESCRIPTION as DESCRIPT5_12_0_ from SDSYSTEM systembean0_ order by this_.NAME asc
- SQL Error: 904, SQLState: 42000
- ORA-00904: "THIS_"."NAME": invalid identifier
This normally works but occasionally we run into the issue mentioned above. I do not see alias "this_" in the sql query and I think that causes the error to happen. Issue is caused by alias not used consistently.
In normal case the generated SQL looks like following:
Hibernate: select this_.SYSTEMID as SYSTEMID7_0_, this_.Version as Version7_0_, this_.NAME as NAME7_0_, this_.TYPE as TYPE7_0_, this_.DESCRIPTION as DESCRIPT5_7_0_ from SDSYSTEM this_ order by this_.NAME asc
I am not sure what causes this problem. Has anyone else see similar problem earlier?
I appreciate any help with this. Below is other information:
Hibernate version: 3.0.5
Mapping documents:
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<class
name="com.avaya.coreservice.admin.toolkit.common.system.SystemBean"
table="SDSYSTEM">
<id name="uniqueId" type="java.lang.String">
<column name="SYSTEMID" length="50" not-null="true"/>
<generator class="uuid"/>
</id>
<version name="version" column="Version" />
<property
name="name"
type="java.lang.String">
<column name="NAME" length="512" not-null="true"/>
</property>
<property
name="type"
type="java.lang.String">
<column name="TYPE" length="50" not-null="false"/>
</property>
<property
name="description"
type="java.lang.String">
<column name="DESCRIPTION" length="1024" not-null="false"/>
</property>
<set name="resourceBeanSet">
<key>
<column name="SYSTEMID" length="50" not-null="false"/>
</key>
<one-to-many class="com.avaya.coreservice.admin.toolkit.common.resource.ResourceBean"/>
</set>
<set name="siteBeanSet" order-by="name asc">
<key>
<column name="SYSTEMID" length="50" not-null="false"/>
</key>
<one-to-many class="com.avaya.coreservice.admin.toolkit.common.site.SiteBean"/>
</set>
</class>
</hibernate-mapping>
Code between sessionFactory.openSession() and session.close():
HibernateUtil.getSession().createCriteria(SystemBean.class)
.addOrder(Order.asc("name")).list();
Full stack trace of any exception that occurs:
N/A
Name and version of the database you are using:
Oracle - 10.2.0
The generated SQL (show_sql=true):
select systembean0_.SYSTEMID as SYSTEMID12_0_, systembean0_.Version as Version12_0_, systembean0_.NAME as NAME12_0_, systembean0_.TYPE as TYPE12_0_, systembean0_.DESCRIPTION as DESCRIPT5_12_0_ from SDSYSTEM systembean0_ order by this_.NAME asc
I appreciate any help with this.
Thanks,
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11 years, 4 months
[Hibernate-JIRA] Created: (HHH-3345) "select new" + "join fetch" = "owner of the fetched association was not present in the select list"
by Anthony Ogier (JIRA)
"select new" + "join fetch" = "owner of the fetched association was not present in the select list"
---------------------------------------------------------------------------------------------------
Key: HHH-3345
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3345
Project: Hibernate3
Issue Type: Bug
Affects Versions: 3.2.4.sp1
Reporter: Anthony Ogier
I want to create a List<B>, each B containing an entity with "A" type, and I also want for each A to force fetching of its "C" property.
public class B {
private A a;
public B(A a) {
this.a = a;
}
}
@Entity
public class A {
@ManyToOne @JoinColumn
private C c;
// +get/setter ...
}
@Entity
public class C {
@Column
private String d;
// +get/setter ...
// +@OneToMany
}
Here is the HQL :
select new B(a) from A a left join fetch a.c
I have that message :
org.hibernate.QueryException: query specified join fetching, but the owner of the fetched association was not present in the select list
When invoking only "from A a left join fetch a.c", all is good and I have ma List<A> with its "C" properties fetched.
I think there is a little bug here ... or did I forget something ?
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11 years, 4 months
[Hibernate-JIRA] Created: (ANN-783) DOCS: says, monkey, should say tiger: section 2.2.5.3.2.4. Defaults
by Karl Palsson (JIRA)
DOCS: says, monkey, should say tiger: section 2.2.5.3.2.4. Defaults
-------------------------------------------------------------------
Key: ANN-783
URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-783
Project: Hibernate Annotations
Issue Type: Improvement
Components: documentation
Affects Versions: 3.4.0.GA
Environment: http://www.hibernate.org/hib_docs/annotations/reference/en/html_single/
or
http://www.hibernate.org/hib_docs/annotations/reference/en/html/entity.ht...
Reporter: Karl Palsson
Priority: Trivial
Text says:
Trainer describes a unidirectional relationship with Tiger using the join table Trainer_Tiger, with a foreign key trainer_id to Trainer (table name, _, trainer id) and a foreign key trainedTigers_id to Monkey (property name, _, Tiger primary column).
Last reference to Monkey should say Tiger. Monkeys were used in the previous section
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11 years, 4 months
[Hibernate-JIRA] Created: (HHH-2796) Generated version are incremented by Hibernate
by Heba Tawfik (JIRA)
Generated version are incremented by Hibernate
----------------------------------------------
Key: HHH-2796
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2796
Project: Hibernate3
Issue Type: Bug
Components: core
Affects Versions: 3.2.1
Environment: 3.2.1, Oracle 10g
Reporter: Heba Tawfik
Creating a new entity which it's version is set to generated="always" & saving it, then in the same session adding an object to any of its on-to-many relationships is throwing a StaleObjectStateException.
To regenerate the problem, consider the following code
1- departement.hbm.xml :
----------------------------------------
<hibernate-mapping package="com.myproject.domain">
<class name="Departement" table="Departement">
<id name="id">
<column name="dept_id" />
</id>
<version column="version" generated="always" name="version" type="integer" unsaved-value="null" />
<property name="name" column="name" />
<bag name="employees" inverse="true" cascade="all" lazy="true">
<key column="dept_id"></key>
<one-to-many class="Employee" />
</bag>
</class>
</hibernate-mapping>
2- employee.hbm.xml :
--------------------------------------
<hibernate-mapping package="com.myproject.domain">
<class name="Employee" table="Employee">
<id name="id">
<column name="employee_id" />
</id>
<property name="firstName" column="first_name" />
<property name="lastName" column="last_name" />
<property name="age" column="age" />
<property name="salary" column="salary" />
<many-to-one cascade="none"
class="com.myproject.domain.Departement"
column="dept_id" embed-xml="true" insert="false"
name="department" not-null="false"
unique="false" update="false" not-found="ignore">
</many-to-one>
</class>
</hibernate-mapping>
3- Departement.Java
---------------------------
package com.myproject.domain;
import java.util.ArrayList;
import java.util.List;
public class Departement extends BaseDepartement{
int id;
String name;
List employees;
Integer version;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Integer getVersion() {
return version;
}
public void setVersion(Integer version) {
this.version = version;
}
public List getEmployees() {
return employees;
}
public void setEmployees(List employees) {
this.employees = employees;
}
public void addToEmployeeList(Employee emp)
{
if(employees==null)
{
setEmployees(new ArrayList());
}
employees.add(emp);
}
}
4- Employee.Java :
---------------------------
package com.myproject.domain;
public class Employee {
int id;
String firstName;
String lastName;
int age;
int salary;
BaseDepartement department;
public BaseDepartement getDepartment() {
return department;
}
public void setDepartment(BaseDepartement department) {
this.department = department;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public int getSalary() {
return salary;
}
public void setSalary(int salary) {
this.salary = salary;
}
}
4- Code To Test :
------------------------
public static void main(String args[]) throws Exception
{
SessionFactory factory = new Configuration().configure("com/myproject/config/hibernate.cfg.xml").buildSessionFactory();
Session session = factory.openSession();
Transaction transaction = session.beginTransaction();
Departement aDept =new Departement();
aDept.setId(10);
aDept.setName("Test");
session.save(aDept);
transaction.commit();
transaction = session.beginTransaction();
Employee emp=new Employee();
emp.setId(10);
emp.setFirstName("test");
emp.setLastName("test");
emp.setSalary(10);
emp.setAge(10);
emp.setDepartment(aDept);
aDept.addToEmployeeList(emp);
session.saveOrUpdate(aDept);
transaction.commit();
session.close();
}
On the database, the default value for version cloumn is set to "1" and a trigger is defined as follow on the Departement table:
create or replace
TRIGGER TRIGGER1
BEFORE UPDATE ON DEPARTEMENT
FOR EACH ROW
BEGIN
:new.version:= :old.version + 1;
END;
Upon executing the above code, the following is the hibernate logging :
automatically flushing session
/* insert com.eds.myproject.domain.Departement
*/ insert
into
Departement
(name, dept_id)
values
(?, ?)
binding 'Test' to parameter: 1
binding '10' to parameter: 2
/* get generated state com.eds.myproject.domain.Departement */ select
departemen_.version as version1_
from
Departement departemen_
where
departemen_.dept_id=?
binding '10' to parameter: 1
returning '1' as column: version1_
before transaction completion
after transaction completion
automatically flushing session
/* get current state com.eds.myproject.domain.Employee */ select
employee_.employee_id,
employee_.first_name as first2_0_,
employee_.last_name as last3_0_,
employee_.age as age0_,
employee_.salary as salary0_
from
Employee employee_
where
employee_.employee_id=?
binding '10' to parameter: 1
/* insert com.eds.myproject.domain.Employee
*/ insert
into
Employee
(first_name, last_name, age, salary, employee_id)
values
(?, ?, ?, ?, ?)
binding 'test' to parameter: 1
binding 'test' to parameter: 2
binding '10' to parameter: 3
binding '10' to parameter: 4
binding '10' to parameter: 5
/* update
com.eds.myproject.domain.Departement */ update
Departement
set
name=?
where
dept_id=?
and version=?
binding 'Test' to parameter: 1
binding '10' to parameter: 2
binding '2' to parameter: 3
Could not synchronize database state with session
org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [com.eds.myproject.domain.Departement#10]
at org.hibernate.persister.entity.AbstractEntityPersister.check(AbstractEntityPersister.java:1714)
at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2357)
at org.hibernate.persister.entity.AbstractEntityPersister.updateOrInsert(AbstractEntityPersister.java:2257)
at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2557)
at org.hibernate.action.EntityUpdateAction.execute(EntityUpdateAction.java:92)
at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:248)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:232)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:140)
at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:298)
at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)
at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000)
at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:338)
at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
at com.eds.myproject.test.Test.main(Test.java:43)
org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [com.eds.myproject.domain.Departement#10]
at org.hibernate.persister.entity.AbstractEntityPersister.check(AbstractEntityPersister.java:1714)
at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2357)
at org.hibernate.persister.entity.AbstractEntityPersister.updateOrInsert(AbstractEntityPersister.java:2257)
at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2557)
at org.hibernate.action.EntityUpdateAction.execute(EntityUpdateAction.java:92)
at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:248)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:232)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:140)
at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:298)
at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)
at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000)
at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:338)
at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
at com.eds.myproject.test.Test.main(Test.java:43)
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11 years, 4 months
[Hibernate-JIRA] Created: (HHH-2776) Restrictons.in(..) generates invalid SQL if list of values is empty
by Adrian Smith (JIRA)
Restrictons.in(..) generates invalid SQL if list of values is empty
-------------------------------------------------------------------
Key: HHH-2776
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2776
Project: Hibernate3
Issue Type: Bug
Components: query-criteria
Affects Versions: 3.2.2
Environment: Hibernate 3.2.2.ga, MySQL 4.1.18, Windows XP
Reporter: Adrian Smith
I have classes called A and B. There is a 1:n relationship from A to B.
Class B has the following in its mapping file:
<many-to-one name="a" class="A" column="fk_a_id" not-null="true" />
If I write the following code:
List<B> foo() {
List<A> aList = ....
Session session = ....
Criteria query = session.createCriteria(B.class);
query.add(Restrictions.in("a", aList));
return query.list();
}
Then all works fine and the results I want are returned. However, if aList is empty (i.e. aList.size()==0) then the query.list function generates and executes invalid SQL for MySQL.
java.sql.SQLException: Syntax error or access violation message from server: "You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')' at line 1"
I imagine that it is generating SQL like IN () which isn't valid.
I realize it's a bit ridiculous to want to find the rows where a field is IN the empty list. Nothing will ever be returned. However, in my opinion it should still be allowed, and return no rows, just as saying "WHERE 1=2" is allowed, just doesn't return any rows.
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11 years, 4 months