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Search found 226 results on 10 pages for 'hql'.

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  • HQL Query Not Running

    - by Sarang
    select new UpdateCountDataBean(count(elements(am.actionId)) as noOfUpdates, am.pname as name) from ActivityMaster am group by am.pname The UpdateCountDataBean is created by me while the second class i.e. ActivityMaster is POJO class. java.lang.NullPointerException at org.hibernate.hql.ast.tree.MethodNode.handleElements(MethodNode.java:158)

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  • Whats wrong with this HQL query?

    - by ManBugra
    did i encounter a hibernate bug or do i have an error i dont see: select enty.number from EntityAliasName enty where enty.myId in ( select cons.myId from Consens cons where cons.number in ( select ord.number from Orders ord where ord.customer = :customer and ord.creationDate < ( select

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  • Hibernate: Criteria vs. HQL

    - by cretzel
    What are the pros and cons of using Criteria or HQL? The Criteria API is a nice object-oriented way to express queries in Hibernate, but sometimes Criteria Queries are more difficult to understand/build than HQL. When do you use Criteria and when HQL? What do you prefer in which use cases? Or is it just a matter of taste?

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  • Creating a Linq->HQL provider

    - by Mike Q
    Hi all, I have a client application that connects to a server. The server uses hibernate for persistence and querying so it has a set of annotated hibernate objects for persistence. The client sends HQL queries to the server and gets responses back. The client has an auto-generated set of objects that match the server

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  • Format date in hql query

    - by user115520
    hi all, i want to format date to string in hql select, for example i have purchasing data with transaction date in it: class Purchase { private Date datePurchase } and i want to select date in a certain format, for example yyyyMMdd, can i do that in hql? actually i can iterate through all purchase data

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  • NHibernate HQL logic problem

    - by Jon
    Hi I'm trying to write an NHibernate HQL query that makes use of parenthesis in the where clause. However, the HQL parser seems to be ignoring my parenthesis, thus changing the meaning of my statement. Can anyone shed any light on the matter? The following HQL query: from WebUser u left join fetch

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  • HQL - row identifier for pagination

    - by anna.ruk
    Does anyone know if HQL has a keyword to identify rows such as ROWID or ROWNUM? I would like to implement pagination with HQL but I am not able to use .setMaxResult() or .setFirstResult() because I don't work with the session object directly and therefore don't use the Query object but simply create my

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  • Subquery using derived table in Hibernate HQL

    - by Vladimir
    I have a Hibernate HQL question. I'd like to write a subquery as a derived table (for performance reasons). Is it possible to do that in HQL? Example: FROM Customer WHERE country.id in (SELECT id FROM (SELECT id FROM Country where type='GREEN') derivedTable) (btw, this is just a sample query so don't

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  • Problem in HQL query

    - by Rupeshit
    I written a query in my sql like this: "select * from table_name order by col_name = 101 desc " Which is working perfectly fine in mysql but when I tried to convert this query into HQl query then it is throwing an exception.So can anyone suggest me that how to write HQL query for the above SQL query.

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  • Hibernate HQL with interfaces

    - by Benju
    According to this section of the Hibernate documentation I should be able to query any java class in HQL http://docs.jboss.org/hibernate/core/3.3/reference/en/html/queryhql.html#queryhql-polymorphism Unfortunately when I run this query... "from Transaction trans where

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  • How do you do a limit query in HQL

    - by stevedbrown
    In Hibernate 3, is there a way to do the equivalent of the following MySql limit in HQL. select * from a_table order by a_table_column desc limit 0, 20; I don't want to use setMaxResults if possible. This definitely was possible in the older version of

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  • Help with HQL Query (find duplicates)

    - by BRhodes
    I am trying to convert this native sql into an HQL query. Basically it returns all the contacts that are duplicates (by company, firstname, and lastname). The query below works great, but performing a joined subselect seems impossible in HQL is it not?!

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  • Get children count via HQL

    - by Thomas Lötzer
    Hi, I have a one-to-many mapping between a parent entity and child entities. Now I need to find the number of children associated with each parent for a list of parents. I am trying to do this with HQL but I am not sure how I can get the list of

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  • polymorphic hql

    - by Berryl
    I have a base type where "business id" must be unique for a given subclass, but it is possible for there to be different subclasses with the same business id. If there is a base type with a requested id but of the wrong subclass I want to

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  • Order By Rand by Time (HQL)

    - by Felipe
    Hi all, I'm developing a web application using asp.net Mvc 2 and NHibernate, and I'm paging data (products in a category) in my page, but this data are random, so, I'm using a HQL statement link this: string hql = "from Product p where

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  • Hibernate HQL to basic SQL

    - by CC
    Hello everybody, I working on a project with Hibernate and we need to replace Hibernate with some "home made persistence" stuff. The idea is that the project is big enough, and we have many HQL queries. The problem is with the queries

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