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JPA Doc
80

toArray()

Method javax.persistence.Tuple Object[] toArray() Return the values of the result tuple elements as an array. Returns: tuple element values Since: JPA 2.0
Issue
32

ClassCastException in Tuple.get

(); CriteriaQuery<Tuple> cq = cb.createTupleQuery(); Root rootDemandAnswer ... (joinProvidingPerson, storedProvidingPerson) ); TypedQuery<Tuple> query = em.createQuery(cq); List<Tuple> tuples = query.getResultList(); List candidateDemands = Lists
Manual
32

GROUP BY and HAVING clauses

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 the group ... which all the FROM/WHERE objects (or object tuples) are considered as one group. For example
Manual
32

WHERE clause (JPQL / Criteria API)

a multi-variable query the FROM clause defines iteration on tuples. In this case the WHERE clause filters tuples before passing them to the SELECT clause. For example, the following query retrieves ... -variable queries the number of tuples for iteration might be very large even if the database is small
Manual
18

JPA Criteria API Queries

are provided in the following page sections: SELECT clause (select, distinct, multiselect, array, tuple
Manual
18

JPA Query Structure (JPQL / Criteria)

, array, tuple, construct). Criteria FROM (from, join, fetch). Criteria WHERE (where). Criteria
Manual
18

Paths and Types in JPQL and Criteria API

JPQL, the current FROM variable (or FROM tuple when there are multiple variables) is simply skipped
JPA Doc
18

JPA Queries

three groups. SELECT and ORDER BY elements (including tuples): FROM clause elements (representing range
JPA Doc
18

javax.persistence.criteria.CriteriaBuilder

compound selection Throws: IllegalArgumentException - if an argument is a tuple- or array-valued ... selection item Throws: IllegalArgumentException - if an argument is a tuple- or array-valued selection ... : criteria query object Since: JPA 2.0 CriteriaQuery< Tuple> createTupleQuery() Create a CriteriaQuery object
JPA Doc
14

javax.persistence.TupleElement

that is returned in a query result tuple. Since: JPA 2.0 See Also: Tuple String getAlias() Return the alias assigned to the tuple element or null, if no alias has been assigned. Return the alias assigned to the tuple element or null, if no alias has been assigned. Returns: alias Since: JPA 2.0