1. Implementing result paging in hibernate (getting total number of rows) stackoverflow.comHow do I implement paging in Hibernate? The |
2. Ordering by number of relationships in Hibernate stackoverflow.comI've got two models which have a one-to-many relationship. Lets say its an auction for a product and the product can have many bids. Basically what I'd like to do is pull ... |
3. How do I select the nth element in a Collection by the number in an @IndexColumn? stackoverflow.comI have an ItemEntity class, which has a collection of ImageEntity's. I want to be able to fetch a specific ImageEntity, given its index in the collection. For example, ... |
4. Counting the number of objects that meets a certain criteria stackoverflow.comThe title doesn't tell the complete story. Please read the message. I have two objects: Adult and Child. Child has a boolean field isMale, and a reference to Adult. ... |
5. hibernate - reduce the number of queries stackoverflow.comA Product can have 1 or more child Products forming a tree structure. Child Product's will also reference the parent Prdoduct. In my test code I've created 1 parent ( |
6. How can I limit the number of rows updated in a JPQL query? stackoverflow.comI want to limit this update query to only update 5 rows:
setMaxResults does not seem to do the job. How can ... |
7. How do I create a JPA query to return objects in descending order of the number of remote references? stackoverflow.comI have a @OneToMany relationship from Category.comparisons to Comparison.category (and a @ManyToOne relationship in the other direction). My Comparison object has a "date" field, and my Category object has a boolean "safe" ... |
8. How do I count the number of rows returned by subquery? stackoverflow.comI want to do something like this:
(As it would be in SQL), but in JPA.
Any ideas on how I would do it?
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9. How to sort by number of votes in another table? stackoverflow.comIn hibernate I have a table/class Question and a table/class Vote. Vote.questionId is a foreign key for Question.id. I want to sort the question by the number of votes. I am executing
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10. processing a large number of database entries with paging slows down with time stackoverflow.comI am trying to process millions of records from my table (size is about 30 GB) and I am currently doing it using paging (mysql 5.1.36). The query I use in ... |
11. Hibernate Query column number mismatch coderanch.comHi people, I encountered a strange problem while doing a supposedly simple Hibernate query. I defined 3 columns in the HQL, according to the Hibernate debug, the created SQL also contains 3 columns, but at calling query.list() Hibernate throws an exception saying that it is missing one column. Calling query.getReturnTypes revealed that the query expected a 4th column containing an integer. ... |
12. find number of days in hql query forum.hibernate.orgHi! I use hql in named query. I'm interested to select records from the database between a birth_date and 30 days earlier. How do I do? In mysql birt_date column it's timestamp type. Ex "2009-12-31 12:01:33". Generally speaking, how can I find out the number of days between two dates by using HQL in named query? |
13. SQLQuery IN Clause "ignores" large number of params forum.hibernate.orgWe are running a SQLQuery with large number of parameters like this: Code: String queryString = "SELECT FROM VIEW1, TABLE1...(several tables joined) where VIEW1.column1 IN (?....?)"; ... |
14. Getting a wrong number of results from a native SQL query forum.hibernate.orgNewbie Joined: Thu Dec 30, 2010 6:58 pm Posts: 5 I have a self-referencing table, let's call it FOO, with foo_id as PK. There is also FOO_LOG, where foo_id is a foreign key. It has all the same columns as FOO, plus an unmapped column named "__$operation", where only the following values occur: 1 for delete, 2 for insert, 3 for ... |
15. Selecting the row number forum.hibernate.orgHello, Is there any way to select an absolute row number? This is a database feature required for searching when using pagination. A practical example would be an end-user searching for a name that starts with 'J'. The application wants to know on which pages the records with 'J' exists, so it can jump to the page and provide options like ... |
16. How to limit the number of raws returned by a query? forum.hibernate.org |
17. How to limit number of rows returned in a session.find()? forum.hibernate.org |
18. How to return an arbitary number of entries from a select? forum.hibernate.org |
19. how can i get the number of 'select count(*) from person'! forum.hibernate.org |
20. Find out number of columns of a ScrollableResult forum.hibernate.orgHow do I get out the number of columns from a ScrollableResult ? When using the java.sql package, it can be done like this : //Assume results is of class java.sql.ResultSet //Assume rsmd id os class java.sql.ResultSetMetaData rsmd = results.getMetaData ( ); numCols = rsmd.getColumnCount ( ); How do I do the similar with Hibernate ? For the moment, I have ... |
21. number of rows before real query forum.hibernate.org1) I'm sorry I keep on posting but I can't use the search on the forum... Is there a way to look for a string instead of a boolean expression? It's hard to look for "number of rows" using "number and rows"... 2) I have to divide a list of objects into "pages" of data. I'm using setMaxResults and setFirstResult, but ... |
22. Option for LIMITing the number of results for a query? forum.hibernate.org |
23. number of results in an Example query forum.hibernate.org |
24. Pagination: Number of results forum.hibernate.org |
25. Oracle, Pagination and number of pages (redux) forum.hibernate.orgHibernate version:2.1.8 I had posted a question about a way to translate HQL to SQL. Here's why I'd like to get the underlying SQL. Basically I need to display a paged table along with the total number of pages. Most of the pagination solutions for getting number of records from a Query object rely calling Code: scrollableResults.last(); scrollableResults.getRowNumber(); however as pointed ... |
26. How can I count the number of query results without actually forum.hibernate.orgHow could you run that sql query without setting entity or scalar? >> org.hibernate.QueryException: addEntity() or addScalar() must be called on a sql query before executing the query. [select count(*) from users] Your sql should probably look something like this: SELECT {person}.NAME AS {person.name}, {person}.AGE AS {person.age}, {person}.SEX AS {person.sex} FROM PERSON {person} WHERE {person}.NAME LIKE 'Hiber%' vgiguere's solution should definitely ... |
27. Sorting varchar numbers using criteria forum.hibernate.orgHibernate version:3.0.5 Name and version of the database you are using:Oracle 9i Here is my situation, I have a varchar column which for the most part are numbers but could have text. I need to be able to sort this column and currently I am using Criteria.addOrder(...), however, of course, the numbers are being sorted as strings and are not in ... |
28. Number of objects returned from a query forum.hibernate.orgI have a query similar to: from Person p inner join fetch p.addresses where status='test' I'm using the Hibernate Console plugin for eclipse, which generates the sql. I copy the sql and run it on the database and the database returns back two rows. The only thing that is different b/w the two rows returned is address_id (primary key) and the ... |
29. Selecting large number of objects by Id forum.hibernate.orgHi, I've got a lucene index which based on a search can yield me a large number of IDs. These IDs are for objects which I've persisted thru hibernate. (The search results are limited to a hundred rows or so). I then want to bring these objects back in thru Hibernate. The simple approach seems to be just having a large ... |
30. Large number of selects taking long time to execute. forum.hibernate.orgHello, The scenario here is that I would have to query the database to select a row based on three conditions (conjunctions). And there are thousands (10,000 nearly) of such transactions. It takes a long time to execute these transactions. When doing a batch select(broader select with just one where condition) it takes less that a second to return, though a ... |
31. query results in wrong number of rows forum.hibernate.orgNewbie Joined: Wed May 04, 2005 9:34 am Posts: 16 Location: Germany Hi im using Hibernate with Spring and i have the following problem: I have a very simple database with one table. The corresponding domain-object mapped to the database with annotations looks like this Code: @Entity @Table(name="S_Benutzer", uniqueConstraints = {@UniqueConstraint(columnNames={"b_nr"})}) @org.hibernate.annotations.Table(appliesTo="S_Benutzer", indexes={@Index(name="b_nr", columnNames={"b_nr"})}) @Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE) @AccessType("property") ... |
32. Reducing the number of selects from lucene query? forum.hibernate.orgHi, I am retrieving hibernate objects from a lucene query (using hibernate search). The query returns 5 objects, but the hibernate sql statements are dozens and dozens of selects. I thought the lucene search would retrieve the ID's and then select only for the number of lucene hits retrieved. Why do I have so many selects querying this way? thank you ... |
33. Wrong number of rows with HQL distinct and maxResults forum.hibernate.orgHibernate version: 3.2.1 and 3.2.6 Oracle version: 10g with Oracle9Dialect. We seem to have found an error in the way Hibernate processes the combination of a distinct with a result limit in HQL. The HQL result will only contain 10 rows, but if you run the equivalent SQL query the result has the correct number of rows. Here is a reproduction, ... |
34. Whats the limit on number of elements in IN clause ? forum.hibernate.org |
35. how to use TO_NUMBER in ORDER-BY clause forum.hibernate.org |
36. Count number of references forum.hibernate.orgI was trying to find the count of references to a specific entity. I've got the following model: - Client (the entity I want to count the references to) - ClientBased (a MappedSuperclass defining the reference to Client) - several entities extending ClientBased here's the JPA-query I've used: SELECT COUNT(all c) FROM foo.bar.ClientBased c WHERE c.client = ?1 HAVING COUNT(all c) ... |
37. Counting number of nested objects managed by an entity forum.hibernate.orgI have a Node entity that contains a set of children Nodes within it. A child node contains a set of children, and a child of it could contain more children. There is potentially an infinite level of nesting, but in practice that would not happen. What I want to do is count how many total children there are in the ... |
38. User one session object for number of queries forum.hibernate.org |