Re: How to retrieve jsonb column through JDBC - Mailing list pgsql-general

From Merlin Moncure
Subject Re: How to retrieve jsonb column through JDBC
Date
Msg-id CAHyXU0wyBunXzVk8pB-5SKWiFE4Z=tJu6WVWegSfnB4aQTK3+w@mail.gmail.com
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In response to How to retrieve jsonb column through JDBC  (Alexander Farber <alexander.farber@gmail.com>)
Responses Re: How to retrieve jsonb column through JDBC  (Alexander Farber <alexander.farber@gmail.com>)
List pgsql-general
On Sat, Aug 27, 2016 at 5:39 AM, Alexander Farber
<alexander.farber@gmail.com> wrote:
> Hello,
>
> what do you use to retrieve a jsonb column using JDBC?
>
> I have tried
>
>         Object last_tiles = rs.getObject("last_tiles");
>
> and the resulting Object seems to be a String.
>
> Then I have called (using Jetty JSON class here):
>
>          Object last_tiles = JSON.parse(rs.getString("last_tiles"));
>
> And it seems to work ok... but I am still curious, what is the recommended
> (or maybe planned for future) way for retrieving jsonb data in Java.
>
> Also
>
>          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?

merlin


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