Radek Felcman

But JPA/EclipseLink depends on JDBC. By default DB varchar2 field is fetched by ResultSet.getString(). This is why I'm mentioning JDBC. DB/JDBC delivers it as a `String`. In my case Converter...

I verified JDBC calls if there is any chance to set/get `char[]` directly from DB but I don't think, that is possible. You can try attached code `com.oracle.jpa.bugtest.TestBug#bugTestPureJDBCInsert()` or `com.oracle.jpa.bugtest.TestBug#bugTestPureJDBCSelect`....

See pull request above. I see one issue with provided example `....WHERE LOWER(ID(THIS)) = ...`. This example is not type safe. It should fail if result from `ID(THIS)` will be...

Sorry but mentioned query `SELECT ID(THIS) FROM Prime o WHERE (o.name = :numberName OR :numeral=o.romanNumeral OR o.hex =:hex OR ID(THIS)=:num) ORDER BY o.numberId` is incorrect. There is explicit entity alias...

> @rfelcman You mentioned that the query is incorrect due to the explicit entity alias “FROM Prime o” and the mixing of o with `THIS.” However, upon reviewing the Jakarta...

Sorry, but I don see any bug there against PostgreSQL see attached testcase. [UUIDPostgreSQL.tar.gz](https://github.com/user-attachments/files/17227096/UUIDPostgreSQL.tar.gz) See and change _pom.xml_ for EclipseLink and PostgreSQL JDBC driver version. Required DB table must be...

I see some logical errors related with `id` field in the modified example. - generated fields are available after commit ``` em.getTransaction().commit(); id = entity.getId(); ``` - to pass `id`...

How is Entity `@Id` attribute declared? Is it there something like? ``` @Id @GeneratedValue private Long id; ``` `@GeneratedValue` is important.

> Hi @rfelcman / @lukasj , We've been investigating issue 2243, and based on our findings, it appears to be related to EclipseLink. We tested the same scenario using a...

In the attachment is my local test case which is passing against all specified DBs mentioned in the _persistence.xml_. I tried to call it multiple times without any error. In...