salmonb / vertx-pgreturning-issue

Repo to report an issue I'm experiencing with Vert.x & Postgres

vertx-pgreturning-issue

The Main class starts PgReturningIssueVerticle which runs insert into person (first_name, last_name) values ($1, $2) returning id with a batch of 2 Tuples, therefore 2 ids are expected, but only 1 is returned 🤷

How to reproduce

Create a local Postgres database with the following connection details (or update PgReturningIssueVerticle to run with different details)

PgConnectOptions connectOptions = new PgConnectOptions()
        .setPort(5432)
        .setHost("localhost")
        .setDatabase("pg_db")
        .setUser("pg_user")
        .setPassword("pg_password");

Create a person table as follows:

CREATE TABLE person (
    id                   INT GENERATED ALWAYS AS IDENTITY,
    first_name           VARCHAR(45),
    last_name            VARCHAR(45)
);

When I run the Main class, I'm getting:

Incorrect RowSet size: 1 instead of 2
Returned id = 1

Although 2 rows have been created:

select * from person;

id	first_name	last_name
1	Julien	Viet
2	Emad	Alblueshi

The Vert.x RowSet returns only 1 row, I'm not getting Returned id = 2.

Is it a Vert.x bug?