About HAVING

manual

GROUP BY and HAVING clauses

Explains how to use the GROUP BY and HAVING clauses in a JPA/JPQL query.... BY with Aggregate Functions GROUP BY with HAVING Global Aggregates (no GROUP BY) GROUP BY and HAVING in Criteria Queries GROUP BY as DISTINCT (no ...

 
manual

JPA Query Structure (JPQL / Criteria)

Explains the structure of a JPQL query, which consists of 6 clauses: SELECT, FROM, WHERE, GROUP BY, HAVING, ORDER BY.... Language (JPQL) is very similar to the syntax of SQL. Having a SQL like syntax in JPA queries is an important advantage because SQL ... ] [ GROUP BY ... [ HAVING ... ] ] [ ORDER BY ... ] ...

 
api-jpa

having(restriction)

Specify a restriction over the groups of the query.(Method of javax.persistence.criteria.CriteriaQuery)

 
manual

Chapter 4 - JPA Queries (JPQL / Criteria)

Describes the Java Persistence Query Language (JPQL), the JPA Criteria API, and explains how to use queries in JPA.... clauses of JPQL queries (SELECT, FROM, WHERE, GROUP BY, HAVING, ORDER BY): JPA Query Structure (JPQL / Criteria) ...

 
api-jpa

having(restriction)

Specify a restriction over the groups of the query.(Method of javax.persistence.criteria.AbstractQuery)

 
api-jpa

having(restrictions)

Specify restrictions over the groups of the query according the conjunction of the specified restriction predicates.(Method of javax.persistence.criteria.AbstractQuery)

 
api-jpa

having(restrictions)

Specify restrictions over the groups of the query according the conjunction of the specified restriction predicates.(Method of javax.persistence.criteria.CriteriaQuery)

 
forum_thread

JPQL query to get entities that does not have a child entity in their child entities

I have 2 tables as shown below. Job Table ID JobId Name StartTime    FinishTime    .... 01 001   A  2105:12:10 14:00:00  2105:12:10 14:00:10 02    002  A  2105:12:10 14:00:00  2105:12:10 14:00:00 03    003  A  2105:12:10 14:00:00  2105:12:10 14:00:00 04    004  A  2105:12:10 14:00:00  2105:12:10 14:00:00 And ... 004 From these 2 tables I have to query for Jobs having states FINISHED, CANCELED, FAILED and ACTIVE. FINISHED :   A Job having status 'Finished'. CANCELED : A Job having status ...

 
forum_thread

GWT RPC is throwing serialization exception when I have object db date value

Caused by: com.google.gwt.user.client.rpc.SerializationException: Type 'objectdb.java.util.Date' was not included in the set of types which can be serialized by this SerializationPolicy or its Class object could not be loaded. For security purposes, this type will not be serialized.: instance = Sat Jan 29 00:00:00 PST 2011    at com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serialize(ServerSerializationStreamWriter.java:614)   #1 2011-02-07 15:14 Caused by: com.google.gwt.user.client.rpc.SerializationException: Type 'objectdb.java.util.Date' was not included i ...

 
issue

spuriously objectdb objects have null references

from time to time we have in a multi threaded environment objects where all the references are null (i.e. references actions, childNodes), even after a subsequent refresh. we are using a separate entityManager per thread and have a central point where we encapsulated all the needed entitymanager methods and protected them with synchronized like:   ... Bug Version: 1.04 Priority: Normal Status: Closed Replies: 4 Type:  Bug ...