@Override
    public <U> MySQLQuery<U> select(Expression<U> expr) {
        queryMixin.setProjection(expr);

        @SuppressWarnings("unchecked")
        MySQLQuery<U> res = (MySQLQuery<U>) this;
        return res;
    }
{@code MySQLQuery} provides MySQL related extensions to SQLQuery.

If you need to subtype this, use the base class instead.

@param <T> the result type
querydsl-sql/src/main/java/com/querydsl/sql/mysql/MySQLQuery.java