Internal Website Search
1-10 of 43 resultsRefreshLogical Operators in JPQL and Criteria API Logical operators in JPQL and in JPA criteria queries enable composition of complex ... > Logical Operators ObjectDB supports 2 sets of logical operators, as shown in ... support. Criteria Query Logical Operators Boolean Expressions and Predicates | |
JPA Query Expressions (JPQL / Criteria)/logical">Logical operators: AND, OR, NOT. In addition, JPA queries support ... >isNull, ...) logical#criteria_query_logical_operators">Logical expressions (and, or, not, isTrue). | |
Comparison in JPQL and Criteria API> and != implement the ordinary Java logic, in which, for example, null == null is true. All the other operators implement the SQL logic in which NULLlogic of Java's equals, comparing the content rather than the identity. | |
WHERE clause (JPQL / Criteria API) (arithmetic operators, relational operators, logical operators) and functions (numeric functions, string ... >See the logical#criteria_query_logical_operators">Logical Operators page  | |
Logical "or" works not correcly when field is @Id and first position The following code doesn't respect the logical "or" correctly. Instead of returns all 2 datasets it returns only this one, which matches the first predicate in the or. BUT: this happens only, if the field for the "or" is the first one defined as @Id. | |
JPA Criteria API Queries/logical#criteria_query_logical_operators">Logical expressions ( | |
ObjectDB Object Database Features> logical">Logical operators (AND, OR, NOT, & | |
JPA Persistence Unit A JPA Persistence Unit is a logical grouping of user defined persistable classes (entity classes, embeddable classes and mapped superclasses) with related settings. Defining a persistence unit is optional when using ObjectDB, but required by JPA. | |
[ODB1] Chapter 7 - JDOQL Queries>). Logical Operators Logical operators (&& | |
javax.jdo.InstanceCallbacks can be used in the business logic of the method. |