The version of PSQLODBC.DLL is 8.01.02.00. In version 8.00.01.03 I didn't have this problem.
I didn't create the lo type explicitly. I just checked the checkbox "Large Objects (lo)" while installing PostgreSQL. This worked with PostgreSQL 8.0.4.
I didn't find a special psqlODBC FAQ, only the general FAQ lists at www.postgresql.org.
Re: [ODBC] Bug report 2267: Accessing large objects via ODBC
> I want to upgrade my PostgreSQL server from 8.0.4 to 8.1.3. > My C++ application connects to the database via ODBC (ODBC driver: PostgreSQL Unicode). > > I've installed 8.1.3 with "large objects (lo)" and created a table > > CREATE testdata > (id integer not null, > buffer lo); > > So far this worked. > Now if I want to get the 'buffer' column > > ::SQLExecDirect(m_hStmt, (unsigned char*)"SELECT buffer FROM testdata WHERE id=6", SQL_NTS); > ::SQLFetch(m_hStmt); > ::SQLGetData(m_hStmt, nCol, SQL_C_BINARY, pBuffer, nPacketSize, > &sdODataLength); > > I get the error message > > "Received an unsupported type from Postgres. (14)" > > In PostgreSQL 8.0.4 this worked without a problem. > In 8.1.3 I can also see in pgAdmin III that there are no functions > lo_in(lo) and lo_out(lo) in the tree. > > Perhaps this is an installation bug in 8.1.3? > Has anybody got an idea?
I see no psqlODBC version in your report. How did you create the lo type? Did you follow psqlODBC FAQ?
Regards,
Luf
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