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ORDER BY clause (JPQL / Criteria API)

The ORDER BY clause specifies a required order for the query results. Any JPQL query that does not include an ORDER BY clause produces results in an undefined and non-deterministic order. ORDER BY ... is at least one million people, ordered by the country name: SELECT c.name FROM Country c WHERE c.population > 1000000

Problem with distinct select, order by and equivalent alias/attribute path

when ordering the results of some projection when the order by expression is different (though logically ... "             + "order by s_location.id asc";         System.out.println("Working query ... "             + "left join s.location as s_location "             + "order by s.location.id asc

java.lang.NullPointerException when using ORDER BY

== 0)) ORDER BY r.startDateTime DESC If we remove the ORDER BY part, the query completes OK ... if this problem is related to the other as the query works if you remove the order by ... which is used in the order by part, it always has a value. Anyway, we tried fixing the indices with the Doctor

Strange behaviour with ORDER BY and IN

performance I noticed a strange behaviour where an ORDER BY - directive isn't executed as ... ("Locations without selection criterion in descending order (by id): ");         em.createQuery("select l from Location l order by l.id desc", Location.class)             .getResultList().forEach(l

ORDER BY problem, when String starts with language specific character

Dear all, I have a problem with ORDER BY clause. I have a simple query: select u from User u order by u.name When the name starts with "normal/english" character, records are ordered correctly ... an extension to JPQL and JDOQL) you can use the Normalizer expression directly in the query ORDER BY clause

Cannot sort descending, when ordering by caluculated float in a method

Hi, I have found an issue in ordering by a method. I have two entities : Invoice and InvoiceItem ... ...) select i from Invoice i order by i.getPrice() desc/asc it gives the same order for desc and asc ... = em.createQuery(             "SELECT i FROM Invoice i ORDER BY i.getPrice() DESC");         List

GROUP BY and HAVING clauses

The GROUP BY clause enables grouping of query results. A JPQL query with a GROUP BY clause returns properties of generated groups instead of individual objects and fields. The position of a GROUP BY clause in the query execution order is after the FROM and WHERE clauses, but before the SELECT


Method javax.jdo.Query void setOrdering( String ordering ) Set the ordering specification for the result Collection. The ordering specification is a String containing one or more ordering declarations separated by commas. Each ordering declaration is the name of the field on which to order

[ODB1] Chapter 7 - JDOQL Queries

rather than by order): Query query = pm.newQuery(Person.class); query.declareParameters("int age1, int ... by their full name without using an import declaration. 7.6 Ordering the Results A result collection can be ordered by a query. For example: Query query = pm.newQuery(Person.class, "this.age >= 18

[ODB1] Chapter 6 - Persistent Objects

that is required by JDO, ObjectDB manages another cache containing database pages, in order to improve ... , sophisticated queries. The results can also be sorted by specified order expressions. Chapter 7 ... When a new object is constructed by the new operator, it always starts as a transient object

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