Re: Fw: mapping java objects with postgresql types

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От Kevin Wooten
Тема Re: Fw: mapping java objects with postgresql types
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Msg-id 48113882-8570-493E-A63E-E1324B9BC883@me.com
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Ответ на Re: Fw: mapping java objects with postgresql types  (Oussema Benjemaa <ousema2003@yahoo.fr>)
Ответы Re: Fw: mapping java objects with postgresql types  (Kevin Wooten <kdubb@me.com>)
Список pgsql-jdbc
The biggest failing of the implementation at this point is its documentation. Rest assured though, it is JDBC 4.1 compliant.  So the JDBC documentation regarding UDTs (using SQLOutput, SQLInput, etc) applies directly.

On Jan 23, 2015, at 7:36 AM, Oussema Benjemaa <ousema2003@yahoo.fr> wrote:

i downloaded this JAR pgjdbc-ng-0.3-complete.jar ...
i'm asking if there is exemple for mapping java objects to postgresql ... with this api
 


Oussema Benjemaa 
Sr Oracle DBA / Trading Software Development
SunGard Financial Systems, Tunis
E-mail : ousema2003@yahoo.fr
Mobile : 0021622800497


On Thursday, 22 January 2015, 13:14, Andreas Joseph Krogh <andreas@visena.com> wrote:


På torsdag 22. januar 2015 kl. 17:00:25, skrev Oussema Benjemaa <ousema2003@yahoo.fr>:
 
 Hi,
 
I want to pass  array of complex type from java into plpgsql function
 
I already tried using JDBC Array and Struct types,   but postgresql jdbc driver doesn't implement Struct yet so we weren't able to get thinks work
 
(in addition of the fact that. (Connection.createStruct is not implemented in postgres JDBC)
 
and actually as solution , i'm using PGObject to push the data to the database with some diffuclts with the syntax and this is  mainly for types composites having bytea datatype ..
 
but finally i  succeded to push data to the database with the usage of the  text representation of the array of the type composite .
 
But i'm strongly ,  looking for an alternative of the PGObject , to avoid passing complex structures (array of types) from jdbc with text representation.
 
 
ALso i didn't found documentation for passing such as complex structures including the the rules for text representation of nested types .
 
Could you please advice ...
 
Oussema BenJemaa
Senior DBA
 
 
--
Andreas Joseph Krogh
CTO / Partner - Visena AS
Mobile: +47 909 56 963
 


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