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?
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