Re: How to retrieve jsonb column through JDBC

From: Alexander Farber <alexander(dot)farber(at)gmail(dot)com>
To:
Cc: pgsql-general <pgsql-general(at)postgresql(dot)org>
Subject: Re: How to retrieve jsonb column through JDBC
Date: 2016-08-29 18:23:58
Message-ID: CAADeyWjwtxOsikA_EqAG6s7fkehKVGjUsgT18PnSA-JjzQrgFg@mail.gmail.com
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On Mon, Aug 29, 2016 at 7:50 PM, Merlin Moncure <mmoncure(at)gmail(dot)com> wrote:

> On Sat, Aug 27, 2016 at 5:39 AM, Alexander Farber
> <alexander(dot)farber(at)gmail(dot)com> wrote:
> >
> > List last_tiles = (List) JSON.parse(rs.getString("last_
> tiles"));
> >
> > has not work for me even though the string is:
> >
> > [{"col": 7, "row": 8, "value": 1, "letter": "A"}, {"col": 7, "row": 7,
> > "value": 2, "letter": "B"}, {"col": 7, "row": 9, "value": 2, "letter":
> "C"}]
> >
> > but it is probably the problem of the Jetty class I am using and not of
> > JDBC...
>
> huh. what exactly is failing? are you getting a parse exception?
>

http://download.eclipse.org/jetty/9.3.11.v20160721/apidocs/org/eclipse/jetty/util/ajax/JSON.html#parse-java.lang.String-

fails with:

java.lang.ClassCastException: [Ljava.lang.Object; cannot be cast to
java.util.List

Regards
Alex

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