[hibernate-dev] NativeQuery and parameters

Vlad Mihalcea mihalcea.vlad at gmail.com
Wed Sep 21 01:20:27 EDT 2016


On Wed, Sep 21, 2016 at 3:59 AM, Steve Ebersole <steve at hibernate.org> wrote:

> In the interest of questioning everything, just to make sure we are all on
> the same page, Hibernate's support for native SQL queries currently
> recognizes named parameters, positional parameters as well as JDBC-style
> parameters.
> JPA only defines support for "JDBC-style parameters" as valid for native
> SQL queries:
> {quote}
> It is assumed that for native queries the parameters themselves use the SQL
> syntax (i.e., “?”, rather than “?1”).
> {quote}
> Furthermore Hibernate does not support a native query using both positional
> parameters and JDBC-style parameters in the same query because it causes a
> non-determinism wrt the positions.
> I assume we want to continue to support that full complement of parameter
> types, with the positional/JDBC-style caveat.
> Further I assume we will hook up the use of any non-JDBC-style parameters
> in with the "strict JPA compliance" checking and throw an error when
> indicated.
> Anyone have objections to any of that?
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