RE: Cayenne 1.2 + PostgreSQL

From: Gentry, Michael \(Contractor\) ("Gentry,)
Date: Tue Sep 06 2005 - 11:20:00 EDT

  • Next message: Kevin Menard: "Re: Cayenne 1.2 + PostgreSQL"

    Ah. I've always ignored that since I don't have Oracle.

    So, if it is checked, have PostgreSQL adapter use sequences, otherwise
    use PK table? I'd think the GUI would need to be tweaked, too (an
    Oracle part and a PostgreSQL part)?

    Thanks,

    /dev/mrg

    -----Original Message-----
    From: Mike Kienenberger [mailto:mkienen..mail.com]
    Sent: Tuesday, September 06, 2005 11:09 AM
    To: cayenne-deve..bjectstyle.org
    Subject: Re: Cayenne 1.2 + PostgreSQL

    Second half of the DbEntity "Entity tab"
    "Customize PK generation"

    On 9/6/05, Gentry, Michael (Contractor) <michael_gentr..anniemae.com>
    wrote:
    > I don't know ... Is that "to sequence or not to sequence" in the
    > modeler? I don't see it in mine. I don't have Oracle, either.
    >
    > I'm not opposed to the sequences, I just think there should be
    > relatively transparent support for the auto_pk_support table and/or
    > sequences, especially for existing data.
    >
    > /dev/mrg
    >
    > -----Original Message-----
    > From: Mike Kienenberger [mailto:mkienen..mail.com]
    > Sent: Tuesday, September 06, 2005 10:59 AM
    > To: cayenne-deve..bjectstyle.org
    > Subject: Re: Cayenne 1.2 + PostgreSQL
    >
    >
    > Why can't PSQL use the same "to sequence or not to sequence" option
    > preferences that are available for Oracle?
    >
    > On 9/6/05, Gentry, Michael (Contractor) <michael_gentr..anniemae.com>
    > wrote:
    > > Or just have an option in the modeler to choose which scheme to use
    > and
    > > let the adapter use the original or new scheme based on the setting?
    > >
    > > /dev/mrg
    > >
    > >
    > > -----Original Message-----
    > > From: Andrus Adamchik [mailto:andru..bjectstyle.org]
    > > Sent: Tuesday, September 06, 2005 10:52 AM
    > > To: cayenne-deve..bjectstyle.org
    > > Subject: Re: Cayenne 1.2 + PostgreSQL
    > >
    > >
    > > Right, if you go from 1.1 to 1.2 on PostgreSQL, you'd have to create
    > > PK sequences. I guess what we can do to make it smoother is
    extending
    > > sequence creation syntax to pick current max value per CAY-314:
    > >
    > > select setval('pk_my_table', coalesce(max(id) + 1, 200)) from
    my_table
    > >
    > > Andrus
    > >
    > >
    > > On Sep 6, 2005, at 10:39 AM, Gentry, Michael ((Contractor)) wrote:
    > >
    > > > I've been flopping between 1.1 and 1.2 and when I tried running
    one
    > of
    > > > my demo apps, written using 1.1, under 1.2 with PostgreSQL it
    > > > completely
    > > > bombed. I couldn't do INSERTs at all because it kept doing a
    SELECT
    > > > nextval('pk_table') to try to get primary keys. Well, being a 1.1
    > > > application, I didn't have sequences in my database, I had the
    > > > auto_pk_support table for primary keys.
    > > >
    > > > Does this mean if someone has something written in 1.1/PostgreSQL
    > and
    > > > then tries to use 1.2, they have migration problems?
    > > >
    > > > Thanks,
    > > >
    > > > /dev/mrg
    > > >
    > > >
    > >
    > >
    >



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