Hello Experts, Thanks for Reading and Solving this Problem. My question is: for eg. get all the records from single Table: hibernate query is : from
that's fine. How can I connect two tables and get the results. Pls give me some idea. Thanks _________________ A.Edward Durai "The things which are impossible with men are possible with God." Hello, Im having a problem makin an HQL. I need to instantiate a Value Object getting the value from another. I have VO1 and VO2. VO1 has a var Long VO2, wich is its Id. So I make a constructor on VO1: public VO1(Long id, String vo2Name){ setId(id); setVo2Name(vo2Name); } I want to get the name from VO2 and Id from ... |
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I am facing the problem when i am trying to fetch the data from database using stored procedure and we are using oracle as a database. i am posting my error below. please check the error and give me a solution ASAP. it's urgent for me.... Dec 26, 2006 11:43:29 AM org.hibernate.impl.SessionFactoryObjectFactory addInsta nce INFO: Not binding factory to JNDI, no ... |
Hi All i was using Hibernate tutorial to learn Hibernate. I had created the database table mentioned as 'Book' in the microsoft access. For that i am getting this error.I found this error comes when the MS Access does not support datatypes as of mentioned in the SQL query. I am not sure what datatype to mention the O-R mapping file ... |
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Hey, If we have the following references (eager): A ->B ->C ->D Hibernate will generate one query with left outer join for all hierarchies of each reference. The result is a crazy query that cause to oracle to crash. I wonder if there is a configuration to hibernate to fetch A with all the references, but in few steps and not ... |
I haven't done too much work with JDO, so I can't really expertly compare. JDO seemed to have alot of traction a few years ago, but its star has seemed to have faded, and I don't hear too much about it these days. Of course, I am in a Hibernate charged arena, so I'm probably biased. As far as Hibernate goes, ... |
Dear Members, I have the below set of queries. 1> Why are we using Hibernate to interact with DB ? 2> Advantages of Hibernate ? 3> Disadvantages of Hibernate,If any.? 4> Suppose i have 2 tables ,customer table and customer_details table how will i prepare my .hbm.xml file for the same.? Help provided for the answers will be highly appreciated -- ... |
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Hi everybody, can someone explain me how to write a query about a many-to-many relation? I have the following classes: Person and Category. A person can habe many categories. In Person, there is a set called categories, and in Category, there is a set with the name persons. The primaryKey of Category is called categoryId. Now, I want to get all ... |
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Hi , I am of the view that JPA may be used for standalone applications (i.e. even without a server(web/application)), dragged along by this belief I ventured along to make an application I made an entity class :Cabin package com.titan.domain; import javax.persistence.*; @Entity @Table(name="CABIN") public class Cabin implements java.io.Serializable{ private int id; private String name; private int deckLevel; private int shipId; ... |
well yes there is, Off the bat here we go ... so you've got say an ASSOCIATE table which goes like this: CREATE TABLE ASSOCIATE ( ID NUMBER PRIMARY KEY , NAME VARCHAR2(25) , PARENT_ID NUMBER ) Run an alter table by adding foreign key constraint ... PARENT_ID references ASSOCIATE(ID). PARENT_ID for ROOT (the CEO of an organization for example, (that ... |
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Hi to all, i'm facing a problem with an application that i'm developing, it works with struts 2.1.8 and Hibernate JPA with database MySQL. My problem is when i want to make a complex query, specifically my query (SQL syntax) is this: SELECT PRV.NOMBRE AS nombreProveedor, COUNT(PRV.IDPRV) AS cantTransacciones, SUM(MONTO) AS montoTransacciones FROM Proveedores PRV, Movimientos_Distribuidores MDS WHERE PRV.IDPRV = MDS.IDPRV ... |
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Hi , i have an entity class which has the fields firstname and lastname in the string format. I am writing an hibernate query to select the first name and last name from the particular table . I am printing the result list returned by the query My particular selection for the table fetches four row in the table so the ... |
Hello every one, I am new to Hibernate & JPA, and also i've worked on EJB2.x, where we'd called the session beans/entitybeans through 'lookup' statements in servlet. now i want to know how can i call an EJB3 entity from a servlet, i've tried a lot created the entity class that handles a particular database table, but does not know the ... |
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Author Message si031006 Post subject: MSAccess Queries Posted: Tue Dec 01, 2009 8:04 am Newbie Joined: Tue Dec 01, 2009 7:51 am Posts: 1 I have an Access Database. My connection is well established, but I have troubles using the following code: Code: this.setFORMULARNAME(fensterName); this.setUSERNAME(userName); Session sess=this.datenbank.databaseOpen(); ... |
Hi, I am using Struts+Spring+Hibernate. I have a MySQL table tb_ext, the pesistent object is TbExt as following: public class TbExt implements java.io.Serializable { // Fields private Long extId; private String extNumber; private String extBox; private String extStatus; private String extUser; private String extPassword; private String extPrivateip; private String extDescription; ... } I'd like to do some query like sql string ... |
Hi! I have the following query to execute: select sum(price) from spot where job_id=? and id in (select id from status where job_id=? group by spot_event_id) i have the following objects: spot status Should i create the query with Query query = session.createQuery? as well, what does it mean setCacheable on the query?when can i flush this cacheable? |
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Hi, I've a quite complex piece of buissness-logic which executes quite a lot of database queries and because of that is painfully slow. What I've done in some areas is to replace database-queries with HashMaps, fetching all data at the beginning into a HashMap, and looking up the actually needed result by key. However thats a really bad thing for code-quality ... |
Hello, Code: SELECT sql_calc_found_rows gstime, MAX(stoptime) ... |
62. Query forum.hibernate.org |
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Hi Hibernate Users, i've a question regarding a query execution which is located within a loop. Imagine following scenario. Code: List allSo = new ArrayList(); while(resultSet.next()){ Long someColumnValue = result.getLong("COLUMN_NAME"); SomeObject so = (SomeObject) em.createNamedQuery("getSomeObjectBySomeColumn").setParameter("someColumn",someColumnValue).getSingleResult(); allSo.add(so); } Within this loop the query execution time slows down. The first time ... |
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Hi, I know that the EntityManager is not threadsafe. What I wondered if I can execute using Future and AsyncResults to execute querys in parallel. Is it possible? Or maybe that if the queries share the same EntityManager, one of the executions close the connection associated to the others querys? Lot of thanks, Marcial |
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Hello, I am working with a tree structure, where a single element can have multiple children, each of which can have multiple children up to a maximum of 10 levels. I am trying to effectively fetch an object containing Level and the primary key using which, I am querying the database. My query should return the entire hierarchy for any element ... |
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Hello! I have criteria query that, when executed, results the following exception thrown: Code: java.lang.IllegalArgumentException: org.hibernate.QueryException: illegal syntax near collection: id [select generatedAlias0.permissions from temp.package.commons.user.Role as generatedAlias0 where generatedAlias0.id=2L] at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1222) at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1168) at org.hibernate.ejb.AbstractEntityManagerImpl.createQuery(AbstractEntityManagerImpl.java:320) at org.hibernate.ejb.criteria.CriteriaQueryCompiler.compile(CriteriaQueryCompiler.java:227) at org.hibernate.ejb.AbstractEntityManagerImpl.createQuery(AbstractEntityManagerImpl.java:437) at temp.package.dao.impl.DefaultDAOService.getProperties(DefaultDAOService.java:585) The id ... |
Hello, My name Salvo, i have one problem with one query hibernate. I have to implement one query in one table "User". In this table, there are user with one field "age" and i look all record from 20 Age. With normal SQL exist command < or >, in hibernate? Thanks and sorry for my inglish. |
Hi, Just wanted to get my concept clear here . If we load an object through Query Interface and set ReadOnly attribute to true, does Hibernate never dirty check the object in that session ? Or only for the instance which we have loaded For example : If i loaded one object with ReadOnly flag as true and read some information ... |
SELECT * FROM T_PROVINCIA A WHERE A.IDE_REG IN (1,2,3,4) AND A.IDE_PRV IN (SELECT B.IDE_PRV FROM T_PROVINCIA B ... |
75. Noob Query forum.hibernate.orgI am trying to setup a Many-To-Many relationship using annotations. here are my entities Code: @Entity public class Publisher{ @Id public int id; public String name; } @Entity public class PublisherBook{ @Id ... |
String sql = "FROM BatchId b " + "WHERE lower(b.term) IN (:ids)"; Query q = sessionFactory.getCurrentSession().createQuery(sql); q.setParameterList("ids", idSet); ... |
Newbie Joined: Fri Feb 18, 2011 7:35 am Posts: 1 hi, i have written below query System.out.println("this is ssclients id from ssclients----------------"+clientid);---->here i am getting clientid sstrailslist=entityManager.createQuery("select sstr from SsTrails sstr where sstr.ssClients.clientId="+clientid).getResultList(); for sstrailslist i have taken setters and getters in action class and those methods are also pasted into interface related to action class then i am getting below ... |
Newbie Joined: Thu Mar 31, 2011 4:10 pm Posts: 3 Hi, I'm working for the first time with Hibernate and I'm having some query problems. When I execute a simple retrieve with my DAO : Code: @Override public SortedSet getAllSortedWithLocalized() { SortedSet results = new TreeSet(); ... |
79. @query forum.hibernate.orgHi guis i'm new i need hel for a query i have two table created by hibernate from java Date Object and type TIMESTAMP now i need to retrive data with a query than match only the time part (HH:mm) of the the SQL column the query i use is @NamedQuery(name ="findAppuntamentiBySportelloDataSlot", query = "from Appuntamento a where (a.sportello.idSportello = :idSportello ... |
Hi, I have one employee table contains empname.deptname and emp address. of which empname and deptname is my composite primary key.In the view I am displaying the data of emps of perticular department. Now I add some emps and may remove from the view and on click of save button changes should reflect to database. I am doing this using hibernate. ... |
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Hello, I wanted to share something I found as solution for much better query execution performance. It is for SQL queries in general but I worked with Hibernate and JPA and have such query example. It was about finding available `Organization`-s which were not already assigned to an `Application` but result must be filtered also by User security from active UserGroup ... |
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Was wondering if anyone can see an obvious problem with my query that does not run. I have a component table and a ptsdata table. The component table has a FK to the ptsdata table. I am trying to query the component table where the ptsdataid = "some value". The generated query is correct and selects the proper records. But it ... |
Hello all, Can anyone please help me with this query. The scenario is i need to get data from two different tables and show them in jtable. For this i have used secondary table annotation to create a single class for the purpose. Now i need to create a query for this but i am having trouble with it. The query ... |
Ok, still pending with a non-complete solution. This request is ok but if content has at least one tag not in tagsExcluded list, it matches the request. How be sure to avoid that? Could you correct : Restrictions.not(Property.forName("tags.id").in(tagsExcludedCriteria)) Code: final DetachedCriteria criteria = DetachedCriteria.forClass(Content.class, "c"); if (!tagsExcluded.isEmpty()) { ... |
Hi all, I have a abstract BaseEntity(annotated with MappedSuperclass), and this parent class has properties as below: @Temporal(TemporalType.TIMESTAMP) @Column(name = "create_time") private Date createTime; @Temporal(TemporalType.TIMESTAMP) @Column(name = "last_update_time") private Date lastUpdateTime; and as you expected there are methods annotated with PrePersist and PreUpdate. I want to count the number of rows of a derived entity from the above class with respect ... |
Hi, Ever since Hibernate 3, associations have been lazy by default. I have a code base with a pretty extensive set of data objects, with virtually every association modeled as non-lazy, and I'm looking in to changing that because I want to interact with Hibernate in a more standard way. The reason we do this is because there's two basic use ... |
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Hi, I noticed, that when I execute the following stuff using 2.1beta4: StringBuffer queryString = new StringBuffer(); queryString.append( "select " + "distinct b, " + "m.anlegenDatum " + "from " + "BasisArtikel b, " + "elements(b.mandantArtikelSet) m " + "where " + "m.anlegenDatum >= :datum and " + "m.anlegenDatum is not null " + "order by m.anlegenDatum"); Query query = session.createQuery(queryString.toString()); ... |
I am new to Hibernate and Hibernate development so I would like to appologize for anything I may do wrong (and for my English as well :) ) I have a requirement to execute custom queries. I couldn't find an appropriate solution except changing Hibernate itself. Thus I added new method to Session class: Code: public List callSQL(Class persistentClass, String sql) ... |
oops, I forgot the stack trace: [junit] at net.sf.hibernate.hql.FromParser.token(FromParser.java:102) [junit] at net.sf.hibernate.hql.ClauseParser.token(ClauseParser.java:87) [junit] at net.sf.hibernate.hql.PreprocessingParser.token(PreprocessingParser.java:120) [junit] at net.sf.hibernate.hql.ParserHelper.parse(ParserHelper.java:29) [junit] at net.sf.hibernate.hql.QueryTranslator.compile(QueryTranslator.java:146) [junit] at net.sf.hibernate.hql.QueryTranslator.compile(QueryTranslator.java:133) [junit] at net.sf.hibernate.impl.SessionFactoryImpl.getQuery(SessionFactoryImpl.java:352) [junit] at net.sf.hibernate.impl.SessionFactoryImpl.getQuery(SessionFactoryImpl.java:330) [junit] at net.sf.hibernate.impl.SessionImpl.getQueries(SessionImpl.java:1368) [junit] at net.sf.hibernate.impl.SessionImpl.find(SessionImpl.java:1332) [junit] at net.sf.hibernate.impl.QueryImpl.list(QueryImpl.java:76) [junit] at TestTEMP.testX(TestTEMP.java:149) [junit] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [junit] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) [junit] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) Obviously, I can make that exact query simplier, but ... |
session = fac.openSession(); Query q = new Query("from MyClassWithProxy ..."); session.close(); Iterator it = q.iterate(); while (it.hasNext()) { MyClassWithProxy c = (MyClassWithProxy) it.next(); c.getAtribute() ///// Exception initializing proxy .. net.sf.hibernate.HibernateException: Could not initialize proxy (session closed) } If my class doesn't use a proxy I can iterate the results without problem even after close the session, otherwise if my class uses ... |
Hello, I've been looking all over the manual, FAQ and forum, but I can't find an answer to this problem: I have a class Subscription with (amonst others) a property number. I try to find a subscription with this query: "from Subscription as subs where subs.number = ?". In the log I get a "unexpected query compilation problem". Using session.find() or ... |
(Using MySQL) The query builder prefixes all my fields with all these subscrip thingies. My guess is that these are placeholders for the schema. I guess that I could use the hibernate.default_schema property set to the schema name, but I don't want to do that, I want a clean query and keep the name of the schema restricted to the database ... |
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Simple, performance. What I have designed is a report engine that uses business objects, with relationships etc. This is fine and dandy when designing the report, but I would much prefer the "final" query to be JDBC only, so I will avoid the configuration startup and query translation at runtime. Hibernate at design time, jdbc at run time :) However, I ... |
Please take a look at my query. Hibernate always throws a ClassCastException, but the generated SQL-Query is ok the query: Code: from de.sigel.business.projektmanager.projekt.ProjektImpl as projekt join projekt.planKosten as planKosten where planKosten.belegNr = '12345' and the hibernate mapping: Code: ... |
net.sf.hibernate.QueryException: unexpected token: as [select distinct vo.effFrmDt from CreditsVO as vo where vo.taxAuthorityId=55 order by vo.effFrmDt] at net.sf.hibernate.hql.FromParser.token(FromParser.java:97) at net.sf.hibernate.hql.ClauseParser.token(ClauseParser.java:87) at net.sf.hibernate.hql.PreprocessingParser.token(PreprocessingParser.java:120) at net.sf.hibernate.hql.ParserHelper.parse(ParserHelper.java(Compiled Code)) at net.sf.hibernate.hql.QueryTranslator.compile(QueryTranslator.java:146) at net.sf.hibernate.hql.QueryTranslator.compile(QueryTranslator.java:133) at net.sf.hibernate.impl.SessionFactoryImpl.getQuery(SessionFactoryImpl.java:352) at net.sf.hibernate.impl.SessionFactoryImpl.getQuery(SessionFactoryImpl.java:330) at net.sf.hibernate.impl.SessionImpl.getQueries(SessionImpl.java:1368) at net.sf.hibernate.impl.SessionImpl.find(SessionImpl.java:1332) at net.sf.hibernate.impl.SessionImpl.find(SessionImpl.java:1322) at net.sf.hibernate.impl.SessionImpl.find(SessionImpl.java:1314) at com.esm.common.dbwrappers.ESMSession.find(ESMSession.java:124) at com.esm.admin.tax.taxauthority.credits.dao.ESMTaxCreditsDAO.fetchAll(ESMTaxCreditsDAO.java:113) at com.esm.admin.tax.taxauthority.credits.action.ESMTaxCreditsAction.getFromDates(ESMTaxCreditsAction.java:428) at com.esm.admin.tax.taxauthority.credits.action.ESMTaxCreditsAction.getDates(ESMTaxCreditsAction.java:131) at java.lang.reflect.Method.invoke(Native Method) at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:280) at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:216) at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:480) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274) at ... |