FreeTDS Development Group

["Lowden, James K" <LowdenJK AT bernstein.com>]

17:34:57.846249 client.2636 > server.2500: P 870:938(68) ack 916 win 7845 (DF)
0x0000   4500 006c f53f 4000 8006 91a7 0a51 2428        E..l.?@......Q$(
0x0010   0a50 3adc 0a4c 09c4 0119 3a5b 5049 c5e9        .P:..L....:[PI..
0x0020   5018 1ea5 c637 0000 0101 0044 0000 0100        P....7.....D....
0x0030   6900 6e00 7300 6500 7200 7400 2000 6200        i.n.s.e.r.t...b.
0x0040   7500 6c00 6b00 2000 7400 6500 7300 7400        u.l.k...t.e.s.t.
0x0050   6400 6200 2e00 2e00 7400 7300 2800 7400        d.b.....t.s.(.t.
0x0060   7300 2000 6900 6e00 7400 2900                  s...i.n.t.).
17:34:57.846864 server.2500 > client.2636: P 916:933(17) ack 938 win 63303 
(DF)
0x0000   4500 0039 fe3d 4000 7d06 8bdc 0a50 3adc        E..9.=@.}....P:.
0x0010   0a51 2428 09c4 0a4c 5049 c5e9 0119 3a9f        .Q$(...LPI....:.
0x0020   5018 f747 dbc4 0000 0401 0011 0037 0100        P..G.........7..
0x0030   fd00 00c3 0002 0000 00                         .........
17:34:57.847210 client.2636 > server.2500: P 938:981(43) ack 933 win 7828 (DF)
0x0000   4500 0053 f63f 4000 8006 90c0 0a51 2428        E..S.?@......Q$(
0x0010   0a50 3adc 0a4c 09c4 0119 3a9f 5049 c5fa        .P:..L....:.PI..
0x0020   5018 1e94 9cf3 0000 0701 002b 0000 0100        P..........+....
0x0030   8101 0000 0008 0026 0402 7400 7300 d104        .......&..t.s...
0x0040   0300 0000 d104 0400 0000 fd00 0000 0000        ................
0x0050   0000 00                                        ...

The above tcpdump(8) log shows a bulk insert into this table:

create table ts (ts int, cc timestamp)

Here are the data in the file:

$ type E:\website\sql2k\ts.txt
3       000000000015F195
4       000000000015F196

Here are the resulting data in the table:

1> select * from  ts where ts > 2
2> go
 ts          cc
 ----------- ------------------
           3 0x00000000001610da
           4 0x00000000001610db

(2 rows affected)

Microsoft's BCP utility detects the timestamp column, and automatically snips 
it from the "bulk insert" statement.  It then skips the timestamp data, 
inserting a NULL value instead, allowing the server to accept the row and 
assign its own timestamp value.  

FreeTDS cannot load data into tables with timestamp columns.  It simply 
fails.  

--jkl


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