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JPA Query Expressions (JPQL / Criteria)

Query expressions are the foundations on which JPQL and criteria queries are built.expressions. Atomic Expressions The atomic query expressions are:

Criteria Query Expressions

The following interfaces are in use in representing general expressions in criteria queries: See the expression">Query Expressions section for more details and examples.

Numbers in JPQL and Criteria Queries

#navigation_through_path_expressions">path expressions - in navigation to persistent numeric fields. as aggregate expressions - e.g ... composite arithmetic expressions that use operators and functions to combine simple numeric values into


="description"> Used to construct criteria queries, compound selections, expressions, predicates, orderings. Note that Predicate is used instead of Expression Expression" title


.criteriaInterface Expression<T> Type for query expressions. Expression in expression">Chapter 4

Strings in JPQL and Criteria Queries

are assigned as arguments. as path expressions ... is always the string to check for a match (usually a path expression) and the right operand is always the pattern ... >is evaluated to FALSE. In the expressions above only the first percent

JPA Criteria API Queries

clause as the query result expression. select(c).Expression_">where(cb.Expression__Expression_">gt(c.


Expression" title="Interface in javax.persistence.criteria">javax.persistence.criteria.ExpressionExpression" title="Interface in javax.persistence.criteria">Expression<X> as( 


.CriteriaBuilder">SimpleCase<C,R> selectCase(  Expression" title="Interface in javax.persistence.criteria">Expression<?> expression) Create a simple case expression.


Expression" title="Interface in javax.persistence.criteria">javax.persistence.criteria.Expression<T>Expression" title="Interface in javax.persistence.criteria