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5

Persist error @ManyToMany how to define correct entities relationships

is created, the table is empty, however categories are well present within Product (as
5

JPA JPQL WHERE clause for IN :variable not working if variable is a list of Enums

.getResultSet() *always* returns an empty list. BUT if (for example) I try "WHERE (enumField = : enumField1
5

Unexpected exception during open the database

. Could you please try your conversion program with a new empty log file and then search for the exact
5

type.loader java.lang.ClassNotFoundException

- so please check if you still see these exceptions in lower logging level (e.g. info). The empty
5

possible index required for improving query performance

back and started a test with an empty database. It slowed down significantly after a few thousands records
5

Like fails if both underscore and percent are used

StringHolder("foobar"); assertEquals(0, getAll().size()); //DB is empty em.getTransaction
5

ODB lost?

closed by the existence of a special empty file (a file whose name is active in the odr directory
1

Problem using "and" for joined entities and indexed fields

Using @Index for fields and filter more than one field with "and" predicate ends in empty result list. public class IndexTest {     @Entity     @Indices({         @Index(members = {"children.name"}),         @Index(members = {"children.age"})     })     static class Parent
1

Index Rebuilder

When a new index is added to an existing entity classes that already has instances in the database, it cannot be used in queries, because it starts empty and unsynchronized with the existing primary data. The Index Rebuilder tool will enable rebuilding indexes, synchronizing their data
1

Table view freezes the program

database seems to be empty. support Support Here is another. Doesn't matter what data, it behaves the same

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Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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