Thread: FW: OID, compatible=7.1 and getBinaryStream() in 7.4 driver + 7.4 database

FW: OID, compatible=7.1 and getBinaryStream() in 7.4 driver + 7.4 database

From
"Alexey Yudichev"
Date:
Can I have any comments on this?

-----Original Message-----
From: Alexey Yudichev
Sent: Wednesday, December 10, 2003 12:17 PM
To: pgsql-jdbc@postgresql.org
Subject: [JDBC] OID, compatible=7.1 and getBinaryStream() in 7.4 driver
+ 7.4 database


  I have noticed that I can use only latest 7.4 driver with 7.4 database. I tried both driver from jdbc.postgresql.org
(7.4beta3) and from CVS (:pserver:anoncvs@anoncvs.postgresql.org:/projects/cvsroot) and discovered that with
compatible=7.1flag invoking rs.getBinaryStream() or rs.getBytes() on an OID column blocks forever (somewhere in
java.net.SocketInputStreamso I guess it's a server that is not responding). According to 7.4 documentation
http://www.postgresql.org/docs/current/static/jdbc-binary-data.html,this should work. getBLOB() works great, but JBoss
3.2server which I am using is only capable of dealing with large objects via getBinaryStream()/setBinaryStream(). 

  Combination "OID, compatible=7.1 and getBinaryStream()" worked well in PostgreSQL 7.2 with latest 7.3 driver.

  What options do I have? I could migrate to bytea although I don't liked the performance of it. But before I do that I
wantto make sure that this issue is a bug that is about to be fixed or something different.  
  Thanks.

Re: FW: OID, compatible=7.1 and getBinaryStream() in 7.4

From
Dave Cramer
Date:
Alexey,

Can you put together a test case and I'll try to fix it?

Dave
On Tue, 2003-12-16 at 04:40, Alexey Yudichev wrote:
> Can I have any comments on this?
>
> -----Original Message-----
> From: Alexey Yudichev
> Sent: Wednesday, December 10, 2003 12:17 PM
> To: pgsql-jdbc@postgresql.org
> Subject: [JDBC] OID, compatible=7.1 and getBinaryStream() in 7.4 driver
> + 7.4 database
>
>
>   I have noticed that I can use only latest 7.4 driver with 7.4 database. I tried both driver from
jdbc.postgresql.org(7.4 beta3) and from CVS (:pserver:anoncvs@anoncvs.postgresql.org:/projects/cvsroot) and discovered
thatwith compatible=7.1 flag invoking rs.getBinaryStream() or rs.getBytes() on an OID column blocks forever (somewhere
injava.net.SocketInputStream so I guess it's a server that is not responding). According to 7.4 documentation
http://www.postgresql.org/docs/current/static/jdbc-binary-data.html,this should work. getBLOB() works great, but JBoss
3.2server which I am using is only capable of dealing with large objects via getBinaryStream()/setBinaryStream(). 
>
>   Combination "OID, compatible=7.1 and getBinaryStream()" worked well in PostgreSQL 7.2 with latest 7.3 driver.
>
>   What options do I have? I could migrate to bytea although I don't liked the performance of it. But before I do that
Iwant to make sure that this issue is a bug that is about to be fixed or something different.  
>   Thanks.
>
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