1. Hibernate: Temporarily exclude a column from and update stackoverflow.comLets say I have a table like this |
2. Table Values not getting updated for newly added columns using hibernate coderanch.comHi we have an existing hibernate code and its working fine, Based on new requirements i have added few more columns to the table, updated the hbm file with respective column names and the bean file. When i run this code i dont get any error. Even at the DB end the values are getting inserted for the old columns but ... |
3. How do I update my Java model class after adding one column? forum.hibernate.orgHi, I'm using Java 1.5, Resin 3.0.19 ,Hibernate 3.4.0.GA and Oracle 10g. I inherited a project that has mapped a Java class to an Oracle table. Now I need to add an extra column to the Oracle table, which I've done through a simple "ALTER TABLE" statement. What is the easiest way to update my Java model? I'm using a Mac ... |
4. Update a column: Optimised Way forum.hibernate.orgHi Below is my code to update a table: Code: Code: @SuppressWarnings("unchecked") @Override public boolean updateData(Object objData) { if (objData instanceof SchoolProfile) { this.schoolProfile = (SchoolProfile) objData; Session ... |
5. update columns forum.hibernate.org |
6. Forcing a non-updatable column to be updated?!?!?! forum.hibernate.orgHi all, I've got an entity with a column (which is also the candidate key and the field used for database equality) defined as follows: Code: @Column(name = "ROLE_NAME", updatable = false, nullable = false, unique = true) /** The role name */ private final String roleName; I defined the column as updatable = false. I was expecting that whenever I ... |
7. Updating only the modified columns forum.hibernate.orgFrom the Hibernate Performance Q&A: "Updating only the modified columns. Hibernate knows exactly which columns need updating and, if you choose, will update only those columns." I've look through the documentation and I am trying to figure out how to do this. Perhaps I am mistaken, but this statement leads me to believe that if I have Object X with columns ... |
8. Hibernate Fails Update with more than 32 columns forum.hibernate.org |
9. updating individual columns forum.hibernate.orgHello, I would like to update individual properties of an object, like UPDATE employees SET name='John' for an employee. I can't use 'update=false' attribute for the property as I want my users to choose which property to update. How to do this in Hibernate? I would really appreciate any comments or ideas. Best regards, John |
10. Is there any to update only changed columns forum.hibernate.org |
11. unecessary columns being updated forum.hibernate.orgI am using hibernate-2.1 with Oracle 8i.I have a large table with around 50 columns.Even if I update only one column and try to update the object, I see an update statement in my hibernate-log trying to update all the 50 columns. Is there a way to avoid this problem. I am using session.update(obj) method to update my data. tia splash ... |
12. how to write "update Foo set column = value where condi forum.hibernate.orgI want to update all rows matching a set of conditions. I tried using a Query statement but got the error "query must begin with select or from" I know I _could_ do this by loading each matching object, updating the pojo and then calling pojo.update() but that feels very entity_beanish. Can anyone tell me the hibernate way to do this? ... |
13. update only modified columns forum.hibernate.orgWell. Yes I did mention in my log4j.proeprties file like below log4j.logger.net.sf.hibernate.type=DEBUG and I do get bind values. My question is: is that possible to get the SQL with those values. What currently showing is: update table set field=? binding "Y" to parameter 1 I would like to see : update table set field="Y" This is how TOPLink shows. Its very ... |
14. newbie question: update only certain column forum.hibernate.orgHibernate version:2.1.7c, 24.11.2004 Mapping documents: |
15. Update only changed columns forum.hibernate.org |
16. Updating only the modified columns. forum.hibernate.org |
17. Update Specific Column forum.hibernate.org(update, insert (optional - defaults to true) : specifies that the mapped columns should be included in SQL UPDATE and/or INSERT statements. Setting both to false allows a pure "derived" property whose value is initialized from some other property that maps to the same colum(s) or by a trigger or other application.) |
18. Dynamic Update (only changed columns) does not seem to work forum.hibernate.orgI cannot get dynamic updates to work. I can see that caching is enabled (and seems to work for my selects), however when I just change one column, the sql generated is for all columns. In my JUnit test, I read an object, make a simple change to one column, then update it (note the read and update are in successive ... |
19. How to update (alter) existing columns in a table forum.hibernate.orgThe scenario is as follows: I have lot of data in the JOB table, where the X column has the type "int". Due to the new requirements, in the Hibernate mapping file I have to update the column type to "long". The HBM2DDL is set to UPDATE. I redeployed the application, but when I started JBoss the column X was not ... |
20. how to update only some columns of a table? forum.hibernate.orgNewbie Joined: Tue Nov 29, 2005 3:56 am Posts: 4 Hi I am using hibernate 3 with WSAD IE 5.1 and DB2 on S/390 7.1.1 I have a table with around 30 columns with most of them being not null. It has a composite key made of 3 columns. I need to update some columns of the table which user enters ... |
21. How to update a column using hibernate forum.hibernate.orgTo update data you would load the mapped data class, change the data in the class, then save the result. If you just want to update columns directly, write JDBC code. If you want object-relational mapping, use Hibernate. Note that if you update using JDBC, the results may be masked by the caches in hibernate. |
22. How to update a column using hibernate forum.hibernate.org |
23. Updating specific column w/o retrieving entire record forum.hibernate.orgsudhirph wrote: Can any one tell me, whether we can update specific colums(fields) in a table w/o retrieving entire record ? Only solution I know is to create a class which contains only the columns you want to update. The easiest and safest way to do it, is to create a SmallClass and a HugeClass which extends SmallClass and create two ... |
24. Update only modified columns forum.hibernate.orgThe performance FAQ makes reference to a feature: SQL update statements may contain only those columns that actually changed. This isn't on by default, and I've searched the documentation and some forums looking for how to turn it on, but I've failed. So: Does this feature actually exist? If so, how do I turn it on? |
25. Automatically update columns if one column is changed? forum.hibernate.orgHi! I'm trying to map the following legacy database tables using Hibernate. One notably requirement is that when the STUDENT.STUDENT_STATUS is changed, the SUBJECTA and SUBJECTB's STUDENT_STATUS are also changed because these columns are the same. STUDENT STUDENT_ID (PK) STUDENT_STATUS SUBJECTA STUDENT_ID (PK) STUDENT_STATUS SUBJECTB STUDENT_ID (PK) STUDENT_STATUS How can I map these tables that when STUDENT.STUDENT_STATUS (or even any of ... |
26. dynamcally avoiding update of a column forum.hibernate.orgHibernate version: 3.2 Name and version of the database you are using: Oracle I've been asked to implement i18n of some data columns. I'm looking at using interceptors, event listeners, etc, in Hibernate to do this. Briefly, we've created a new Translation table, which has columns like EntityName, EntityId, PropertyName. If a column being updated appears in the registry of translatable ... |
27. Update just some columns forum.hibernate.orgHi! I load just, for example 3 columns (a,b,c) from my table(A) - which also contains more columns like x,y,z. now i wanna load just these 3 columns: Code: public static List readBatchData() { Session session = HibernateUtil.getCurrentSession(); Transaction tx = null; ArrayList values = null; try { tx = session.beginTransaction(); ... |
28. Hibernate 3.2.3 update large columns problem forum.hibernate.orgHibernate Version: 3.2.3 Hibernate Entity Manager:3.2.1.GA Hibernate Annotations:3.2.1.GA Database:Oracle 10g (ojdbc14.jar) Code: |
29. Any easy way to update a column of all records forum.hibernate.orgI would like to update a column, Locked, of all records on a table, say Orders at day end to a specific value "N". Is there any easy way to implement on hibernate? I don't want to select them first and then loop one by one to set the value and then update/save the value object. e.g. 1. "From OrdersVO o ... |
30. table with only one column being updated forum.hibernate.orgHi, I have one table with columns (id, c1, c2, c3, ..), the operations on this table is as follows, 1. inserting rows 2. read - c2.c3,... are included in this table to reduce joining 3. only column c1 will be updated. but this is a very frequent operation. performance wise for update , is this a good design or should ... |
31. Hibernate updated all the columns forum.hibernate.org |