hql 2 « Query « JPA Q&A





1. Using TRIM in HQL Queries - Hibernate    forum.hibernate.org

I want to use TRIM function in my HQL. This is the query in SQL form: select A.CODE, trim(A.DSCR) from CODETABLE A where (A.CONDITION='100') order by trim(A.DSCR) I want to write this query in HQL. This is my code in Hibernate: StringBuffer qryStr = new StringBuffer(); qryStr.append("Select A.CODE, trim(A.DSCR) "); qryStr.append(" from CODETABLE A "); qryStr.append(" WHERE A.CONDITION = '100' "); ...

2. how to do this query using HQL ?    forum.hibernate.org

Need help with Hibernate? Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp Hibernate version: 3.0.3 PostgreSQL Problem: supose the follow classes A, B e C: ==================================================== A "has one" B A "has many" (a collection) of B B "has many" (a collection) of C C "has one" int value ==================================================== So, in example we have: ==================================================== public class A { private B b; ...

3. HQL query....    forum.hibernate.org

I need help generating an HQL query : String queryString = "from A_B_Link inner join"+ "A on A_B_Link.A_id=A.id "+ "B on A_B_Link.B_id=B.id" The equivalent SQL query would be" select * from A, B where A.id=A_B_Link.A_id and B.id=A_B_Link.B_id; Since I used Eclipse to generate POJO classes for my tables, I have many-to-many mapping for tables A and B.... so I have A.java ...

4. Can i Use parametric in Query in HQL    forum.hibernate.org

String hql = "select order.id, sum(price.amount), count(item) from Order as order join order.lineItems as item join item.product as product, Catalog as catalog join catalog.prices as price where order.paid = false and order.customer = :customer and price.product = ...

5. Can Query translator ignore part of hql while parsing?    forum.hibernate.org

I am trying to execute this hql SELECT DATE_TRUNC('DAY', aVO.endDate at time zone 'EDT') at time zone 'EDT' FROM com.vo aVO; And it fails An equivalent sql (the one that is supposed to be generated for postgresql) works fine select date_trunc('day', end_date at time zone 'EDT') at time zone 'EDT' from vo_table; I got the date_trunc function for postgresql registered by ...

6. how to do it in HQL query    forum.hibernate.org

Hi thanks to all , I know that i did not get reply from anyone of you but i have received your prays to God to help me ... so thanks alot for all of you ... I have made the query using Native Sql and here the piece of code (if anyone want to know how i wrote) Code: String ...

7. HQL query    forum.hibernate.org

Hello! I am writing an application that uses Hibernate. And I need a specific HQL query: select count(distinct date(o.date)) from MyObject o; As you see, I want to select all unique dates. The problem is that date property of the class MyObject represents date and time,so if I use following select count(distinct o.date) from MyObject o; I do not get what ...

8. HQL query how to    forum.hibernate.org

Author Message praedos Post subject: HQL query how to Posted: Fri Sep 26, 2008 5:01 am Newbie Joined: Mon Sep 01, 2008 3:41 am Posts: 19 Hi all, Since now, I only execute simple querys but how can translate this query from SQL to HQL? SQL Code: SELECT * FROM (select ...

9. Escaping keywords from HQL queries    forum.hibernate.org





10. Escape keywords from HQL queries    forum.hibernate.org

11. Some difficulties with this HQL query    forum.hibernate.org

Hi, I guess I would have the same problem with SQL, I'm a beginner for both. Anyway, here is a HQL query that seems to give me the right result: Code: @"select Parent from Parent parent join parent.Children ch where (ch.Type ...

12. MySQLSyntaxErrorException: Can't use HQL to build queries?    forum.hibernate.org

Hi, I'm trying to use Hibernate to access a table I created into a local MySQL 5 instance. I've tried various diferent HQL statements, even a simple "from SakaiEvent sakaievent", but all of them end in the same error. I also tried all possible MySQL dialects listed here: http://www.hibernate.org/hib_docs/v3/re ... l-dialects plus org.hibernate.dialect.MySQL5Dialect, all with the same result. The only way ...

13. Escaping HQL keywords in queries?    forum.hibernate.org

littypreethkr: Thank you so much, you have no idea how glad I am to get that solved. I had been using square brackets in the hibernate mapping, not backticks, and I guess it was confusing the HQL parser even though it worked in other situations. Switching to backticks in the mapping solved the problem. Thanks!

14. Queries from HQL    forum.hibernate.org

Session sess = factory.openSession(); Transaction tx; try { tx = sess.beginTransaction(); //do some work ... tx.commit(); } catch (Exception e) { if (tx!=null) tx.rollback(); throw e; } finally { ...

15. HQL query.    forum.hibernate.org

16. HQL Query    forum.hibernate.org

@Entity public class CustomerTransaction implements Serializable{ /** * */ private static final long serialVersionUID = -7177554785463001529L; private long id; private double amount; private String description; private Date date; ...