About regular expression

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Manual
69

JPA Query Expressions (JPQL / Criteria)

Query expressions are the foundations on which JPQL and criteria queries are built. Every query ... of JPQL / Criteria query expressions. Atomic Expressions The atomic query expressions are: JPQL / Criteria Variables JPQL / Criteria Parameters JPQL / Criteria Literals Every query expression consists
JPA Doc
62

Criteria Query Expressions

The following interfaces are in use in representing general expressions in criteria queries: See the Query Expressions section for more details and examples.
Manual
49

Strings in JPQL and Criteria Queries

when there is a need for pattern matching using regular expressions (which are more powerful than the LIKE ... parameters - when string values are assigned as arguments. as path expressions - in navigation ... for a match (usually a path expression) and the right operand is always the pattern (usually a parameter or
Manual
33

FROM clause (JPQL / Criteria API)

The JOIN FETCH expression is not a regular JOIN and it does not define a JOIN variable ... at the WHERE clause level by using a type expression. For example, in the following query, c iterates ... variable that serves as a root and additional join variables that are bound to path expressions
JPA Doc
23

javax.persistence.criteria.CriteriaBuilder

selections, expressions, predicates, orderings. Note that Predicate is used instead of Expression in ... . Expression abs( Expression x) Create an expression that returns the absolute value of its argument. Create an expression that returns the absolute value of its argument. Parameters: x
Manual
23

Numbers in JPQL and Criteria Queries

parameters - when numeric values are assigned as arguments. as path expressions - in navigation to persistent numeric fields. as aggregate expressions - e.g. COUNT. as collection functions ... .g. LOCATE, LENGTH. as composite arithmetic expressions that use operators and functions to combine
JPA Doc
22

javax.persistence.criteria.Expression

javax.persistence.criteria Interface Expression Superinterfaces: Selection, TupleElementexpressions. Since: JPA 2.0 Learn how to use JPA Criteria API's Expression in Chapter 4 of the ObjectDB/JPA manual
JPA Doc
19

as(type)

Method javax.persistence.criteria.Expression Expression as(   Class type ) Perform a typecast upon the expression, returning a new expression object. This method does not cause type conversion ... - intended type of the expression Returns: new expression of the given type Since: JPA 2.0
JPA Doc
19

selectCase(expression)

Method javax.persistence.criteria.CriteriaBuilder SimpleCase selectCase(   Expression expression ) Create a simple case expression. Parameters: expression - to be tested against the case conditions Returns: simple case expression Since: JPA 2.0
JPA Doc
19

in(expression)

Method javax.persistence.criteria.CriteriaBuilder In in(   Expression expression ) Create predicate to test whether given expression is contained in a list of values. Parameters: expression - to be tested against list of values Returns: in predicate Since: JPA 2.0