try { stmt.close(); } catch(SQLException e) {  }
close(rs); close(stmt);
	private static Oid getSchemaId(Connection conn, String schemaName)	throws SQLException	{		PreparedStatement stmt = conn.prepareStatement(			"SELECT oid FROM pg_namespace WHERE nspname = ?");		try		{			stmt.setString(1, schemaName);			ResultSet rs = stmt.executeQuery();			try			{				if(!rs.next())					return null;				return (Oid)rs.getObject(1);			}			finally			{				try { rs.close(); } catch(SQLException e) { /* ignore close errors */ }			}		}		finally		{			try { stmt.close(); } catch(SQLException e) { /* ignore close errors */ }		}	}