Re: Cayenne 3 with Oracle 8

From: Bryan Lewis (jbryanlewi..mail.com)
Date: Mon Apr 13 2009 - 12:58:53 EDT

  • Next message: Andrus Adamchik: "Re: Cayenne 3 with Oracle 8"

    Thanks. About what I thought. Just wanted to check.

    On Mon, Apr 13, 2009 at 12:41 PM, Mike Kienenberger <mkienen..mail.com>wrote:

    > By the way, when I say "could be added back in", I am not volunteering
    > to do the work, only letting you know that you could probably figure
    > out how to submit patches to do this by looking at Cayenne 2 code and
    > porting to Cayenne 3.
    >
    > On Mon, Apr 13, 2009 at 12:40 PM, Mike Kienenberger <mkienen..mail.com>
    > wrote:
    > > Yes, you need Oracle 9 before that syntax is understood.
    > >
    > > Oracle 8 only understands select * from t1, t2 where t1.x = t2.x. I
    > > suppose the old oracle inner join support could be added back in.
    > >
    > > Outer join support is even worse for 8, and not implementable for all
    > > practical purposes.
    > >
    > >
    > > On Mon, Apr 13, 2009 at 12:32 PM, Bryan Lewis <jbryanlewi..mail.com>
    > wrote:
    > >> We have some apps running on an Oracle 8i database. Wow, almost 10
    > years
    > >> old. Cayenne 2 has been working great. When I tried updating to
    > Cayenne 3,
    > >> I got a syntax error in a particular bit of SQL with a JOIN. This isn't
    > an
    > >> urgent problem for us but I thought I'd mention it.
    > >>
    > >> We have an Employee entity with a many-to-many relationship to Role.
    > With a
    > >> join table called Employee_Role.
    > >>
    > >> List roles = employee.getRoles();
    > >> Role role = roles.get(0);
    > >>
    > >> The first fetch works but resolving the first element generates this
    > SQL:
    > >>
    > >> SELECT DISTINCT t0.* FROM ROLE t0
    > >> JOIN EMPLOYEE_ROLE t1 ON
    > >> (t0.ROLE_ID = t1.ROLE_ID)
    > >> WHERE t1.EMPLOYEE_ID = ? [bind: 1:312]
    > >>
    > >> Oracle 8i doesn't understand that JOIN...ON syntax and throws:
    > >>
    > >> java.sql.SQLException: ORA-00933: SQL command not properly ended
    > >>
    > >> The same code works fine on PostgreSQL with almost the same generated
    > SQL.
    > >>
    > >
    >



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