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- array , tuple and construct . CriteriaBuilder's array The following JPQL query: SELECT c.name, c ... ]); } CriteriaBuilder's tuple The Tuple interface can be used as a clean alternative to Object[] : CriteriaQuery q ... . get ("capital"). get ("name"))); The tuple method builds a CompoundSelection instance

and for representing query results as tuples . SELECT Clause Elements The content of the SELECT ... ;for more details and examples. Query Results as Tuples JPA 2 introduces a new way to represent ... tuples : The Tuple interface can be used as a clean alternative to Object[] . See the SELECT in

JPA Interface Tuple Interface for extracting the elements of a query result tuple . See Also: TupleElement Since: JPA 2.0 Public Methods Object get (String alias) Get the value of the tuple element to which the specified alias has been assigned. Parameters: alias - alias assigned to tuple

defines iteration on tuples . In this case the WHERE clause filters tuples before passing ... the WHERE clause are passed through to the SELECT. In multi-variable queries the number of tuples for iteration

clause. When a GROUP BY clause exists in a JPQL query, database objects (or tuples of database objects ... (count, sum, avg, max, min) that are carried out on all the objects (or the object tuples ) in ... /WHERE objects (or object tuples ) are considered as one group. For example, the following query

JPA Method in javax.persistence. Tuple X get (   int i,    Class  type ) Get the value of the element at the specified position in the result tuple . The first position is 0. Parameters: i - position in result tuple type - type of the tuple element Return: value

JPA Method in javax.persistence. Tuple X get (   String alias,    Class  type ) Get the value of the tuple element to which the specified alias has been assigned. Parameters: alias - alias assigned to tuple element type - of the tuple element Return: value

JPA Method in javax.persistence. Tuple X get (    TupleElement  tupleElement ) Get the value of the specified tuple element. Parameters: tupleElement - tuple element Return: value of tuple element Throws: IllegalArgumentException - if tuple element does not correspond to an element in the query result tuple Since: JPA 2.0

JPA Method in javax.persistence. Tuple Object get (   int i ) Get the value of the element at the specified position in the result tuple . The first position is 0. Parameters: i - position in result tuple Return: value of the tuple element Throws: IllegalArgumentException - if i exceeds length of result tuple Since: JPA 2.0

JPA Method in javax.persistence. Tuple Object get (   String alias ) Get the value of the tuple element to which the specified alias has been assigned. Parameters: alias - alias assigned to tuple element Return: value of the tuple element Throws: IllegalArgumentException - if alias

JPA Method in javax.persistence.criteria.CriteriaBuilder CompoundSelection tuple (   Selection ... selections ) Create a tuple -valued selection item. Parameters: selections - selection items Return: tuple -valued compound selection Throws: IllegalArgumentException - if an argument is a tuple - or array-valued selection item Since: JPA 2.0

JPA Method in javax.persistence. Tuple Object[] toArray () Return the values of the result tuple elements as an array. Return: tuple element values Since: JPA 2.0

JPA Method in javax.persistence. Tuple List getElements () Return the tuple elements. Return: tuple elements Since: JPA 2.0

, multiselect , array , tuple , construct ). Criteria FROM  ( from , join , fetch ). Criteria WHERE  

are organized in this reference into three groups. SELECT and ORDER BY elements (including tuples ): FROM clause

reference. In JPQL, the current FROM variable (or FROM tuple when there are multiple variables

: SELECT clause ( select , distinct , multiselect , array , tuple , construct ). FROM clause ( from

.createQuery(cq); List tuples = query.getResultList(); List candidateDemands = Lists.transform( tuples , d ... .size()]); return demands; } finally { em.close(); } Commented out calls to Tuple .get(int) work as expected, array Tuple .b contains expected values. Also note that call to Lists.transform is evaluated

the createTupleQuery method, the result type is Tuple . Otherwise, the result type is Object . Return: result type ... to the multiselect method must not be a tuple - or array-valued compound selection item ... ., a criteria query object created by either the createTupleQuery method or by passing a Tuple class argument

- if an argument is a tuple - or array-valued selection item Since: JPA 2.0 Order asc ( Expression   ... - if an argument is a tuple - or array-valued selection item Since: JPA 2.0 Expression count ( Expression ... Since: JPA 2.0 CriteriaQuery createTupleQuery () Create a CriteriaQuery object that returns a tuple

defines an element that is returned in a query result tuple . See Also: Tuple Since: JPA 2.0 Public Methods String getAlias () Return the alias assigned to the tuple element or null, if no alias has been assigned. Return: alias Since: JPA 2.0 Class getJavaType () Return the Java type of the tuple

: Could not instantiate entity: granat.dp.domain.entity.psql.DialogNew at org.hibernate. tuple ... ] at org.hibernate. tuple .PojoInstantiator.instantiate(PojoInstantiator.java:136) [hibernate-core-4.0.1.Final.jar:4.0.1.Final] at org.hibernate. tuple .entity.AbstractEntityTuplizer.instantiate

: selection item Since: JPA 2.0 String getAlias () Return the alias assigned to the tuple element or null ... of the tuple element. Return: the Java type of the tuple element Inherited from: TupleElement

be a tuple - or array-valued compound selection item. The semantics of this method are as follows ... either the createTupleQuery method or by passing a Tuple class argument to the createQuery method), a Tuple object

the arguments to the multiselect method. An argument to the multiselect method must not be a tuple - or ... method or by passing a Tuple class argument to the createQuery method), a Tuple object corresponding

tuple of the steps above) ------------------------------------------ [Step 3a] Iterate ... .classIdentifier='(TC)'). Step 4: Process ObjectProperty (p2) instances   (for every result tuple ... ='scheduledEndSlot'). Step 7: Process ObjectProperty (p4) instances   (for every result tuple of the steps

JPA Method in javax.persistence.TupleElement Class getJavaType () Return the Java type of the tuple element. Return: the Java type of the tuple element Since: JPA 2.0

JPA Method in javax.persistence.TupleElement String getAlias () Return the alias assigned to the tuple element or null, if no alias has been assigned. Return: alias Since: JPA 2.0

JPA Interface CompoundSelection Type Parameters: - the type of the selection item Super Interfaces: Selection , TupleElement The CompoundSelection interface defines a compound selection item ( tuple , array, or result of constructor). Since: JPA 2.0 Public Methods Selection alias (String name

, the result type is Tuple . Otherwise, the result type is Object . Return: result type Since: JPA 2.0

method, the result type is Tuple . Otherwise, the result type is Object . Return: result type Since: JPA

JPA Method in javax.persistence.criteria.CriteriaBuilder CompoundSelection array (   Selection ... selections ) Create an array-valued selection item. Parameters: selections - selection items Return: array-valued compound selection Throws: IllegalArgumentException - if an argument is a tuple - or array-valued selection item Since: JPA 2.0

JPA Method in javax.persistence.criteria.CriteriaBuilder CriteriaQuery createTupleQuery () Create a CriteriaQuery object that returns a tuple of objects as its result. Return: criteria query object Since: JPA 2.0

. If the query was created using the createTupleQuery method, the result type is Tuple

Throws: IllegalArgumentException - if an argument is a tuple - or array-valued selection item Since: JPA 2.0

selection element in my tuple selection only? I.e. I don't want to every selection expression

, executing the JOIN may require iteration over 160,000 x 160,000 x 160,000 tuples . The following test

;         Tuple .class);       

execution in managing result elements using Tuple ). This is because the real order of query clauses

)'). Step 3: Process ObjectNode (v$1) instances (for every result tuple of the steps

.organisation. Step 3: Process IndividualCommunicationInfo (v$2) instances   (for every result tuple ... IndividualCommunicationClassification (v$3) instances   (for every result tuple of the steps ... .classification. Step 6: Process IndividualPostalAddress (v$4) instances   (for every result tuple

(for every result tuple of the steps above) ------------------------------------------ [Step 4a] Scan ... .linkedObjects join v$2). Step 5: Process ObjectProperty (v$3) instances (for every result tuple ... ='(OP)'). Step 3: Process ObjectProperty (p1) instances   (for every result tuple of the steps

) instances   (for every result tuple of the steps ... tuple of the steps above) --------------------------------------------- [Step 4a] Scan type com ... ) instances   (for every result tuple of the steps

($4) instances   (for every result tuple of the steps ... IndividualPostalAddress ($5) instances   (for every result tuple of the steps ... ; (for every result tuple of the steps above) ---------------------------------------------------------- [Step 8a

more than on tuple , e.g. if (1,2a) and (1,2b) are both result tuples - only 1 is returned ... .. however, it returns either Object[] or Tuple element result lists and I need only a clean Collection ... and extracting the first part of each tuple element and putting it into my own list.. Isn't there any

_NAME, "names"); This will be equivalent to query using tuples : TypedQuery query = em.createQuery("select e.firstName, e.lastName FROM Entity e", Tuple .class); But with fetch group you don't have to convert tuples to objects. I know that you can add many constructors to Entity and change query

.persistence.OneToMany; import javax.persistence.Persistence; import javax.persistence. Tuple ; import javax

). Fixed a ClassCastException in using  Tuple .get on a criteria query path ( issue #2200 ).