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From: Dave Cramer <[email protected]>
To: Achilleas Mantzios - cloud <[email protected]>
Cc: Vladimir Sitnikov <[email protected]>
Cc: [email protected]
Subject: Re: Regarding useObjects
Date: Wed, 27 Sep 2023 05:44:45 -0400
Message-ID: <CADK3HH+9O5=Y4RSCxCCBaewGPWBQ3zzTjqD0DoZJuD9wCc73uQ@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
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On Wed, 27 Sept 2023 at 05:00, Achilleas Mantzios - cloud <
[email protected]> wrote:

> Good Day Vladimir
>
> On 9/27/23 09:03, Vladimir Sitnikov wrote:
> >> so there was the option to change this to false and recompile
> > We try doing our best to keep backward compatibility both
> > compilation-wise and behaviour-wise.
> > However, we treat "private fields and methods" as private, and we do
> > not expect people would depend on them.
> > If you have to modify sources or depend on private APIs I would
> > suggest raising an issue or PR so it could be incorporated
> > into the driver itself.
> >
> > Would you please provide a test case of what you are doing with PgArray?
> > What is exactly the sequence of JDBC calls, the actual and the
> > expected outcomes in your case?
>
> E.g. for the case of floats, we have to change all:
>
> java.sql.Array arr = rs.getArray(1);
>
> Object objarr = arr.getArray();
>
> float flarr[] = (float[]) objarr;
>
> to
>
> java.sql.Array arr = rs.getArray(1);
>
> Object objarr = arr.getArray();
>
> Float flarr[] = (Float[]) objarr;
>


So the problem with using float instead of Float is that it is impossible
to have a null float and arrays can have nulls.

Dave

>
> >
> > The mentioned "useObjects" has been removed in
> > https://github.com/pgjdbc/pgjdbc/pull/1194 (Refactor decoding arrays)
> >
> > Vladimir
>
>
>

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