Querydsl: SQL : Stored procedure support

Created on 3 Oct 2011 · 7Comments · Source: querydsl/querydsl

Stored procedure support

Pseudocode

CREATE OR REPLACE PROCEDURE order_update (id INTEGER, customer_id INTEGER, amount OUT DECIMAL);

OrderUpdate orderUpdate = new OrderUpdate(configuration, connection);
// OrderUpdate is generated based on a stored procedure with the same name
orderUpdate.setId(123);
orderUpdate.setCustomerId(7849320);
orderUpdate.execute();
Double amount = orderUpdate.getAmount();

feature

Source

timowest

👍2

Most helpful comment

Would be very nice to see this features - and it's a feature JOOQ has: http://www.jooq.org/doc/3.2/manual/sql-execution/stored-procedures/

davidkarlsen on 2 Mar 2015

👍2

All 7 comments

Closing this for now, since I couldn't find a way to provide typesafe stored procedure support in Querydsl. Feel free to reopen this.

timowest on 21 Oct 2011

The PreparedStatement.getParameterMetaData() on the SP can be queried in JDBC to generate the types isn't it?

samyem on 25 Jan 2013

But is this available via database metadata?

timowest on 25 Jan 2013

Should this not work the same way as tables for the parameter and proc name?
http://www.java2s.com/Code/Java/Database-SQL-JDBC/GetStoredProcedureSignature.htm

For the returned resultset of the prodedure, we can pass in a bean class as
an argument as part of the execute method. The rest all comes from the db
metadata, isn't it?

On Fri, Jan 25, 2013 at 2:13 PM, Timo Westkämper
[email protected]:

But is this available via database metadata?

samyem on 25 Jan 2013

One of the tricky situations may be to properly handle things like the in-out parameters and get them registered in the call, but all this info comes in the metadata so the generated code should be able to handle it easily.

samyem on 25 Jan 2013

Would be very nice to see this features - and it's a feature JOOQ has: http://www.jooq.org/doc/3.2/manual/sql-execution/stored-procedures/

davidkarlsen on 2 Mar 2015

👍2

I just used stored procedure support for JPA 2.1 and it did a good work.

https://docs.oracle.com/javaee/7/api/javax/persistence/NamedStoredProcedureQuery.html
https://javaee-spec.java.net/nonav/javadocs/javax/persistence/StoredProcedureQuery.html