[freetds] bcp, for browse and flags
Thompson, Bill D (London)
ThompBil at exchange.uk.ml.com
Tue Apr 29 11:47:02 EDT 2003
As things stand TDS4.2 is not supported for bcp functionality, so it may not
be an issue. You have to talk either TDS 5 or TDS 7+
This is because we use the TDS protocol version to determine the type of
server we are talking to, and do (radically) different things accordingly.
Unfortunately, the TDS4.2 protocol for BCP does not appear to be the same
across Sybase and SQL server.
Because it is such a low-level (binary) interface, it runs into endian
issues, and there are other subtle differences which I never got to the
bottom of, despite a LOT of trying...
> -----Original Message-----
> From: ZIGLIO Frediano [SMTP:Frediano.Ziglio at vodafoneomnitel.it]
> Sent: 29 April 2003 16:34
> To: FreeTDS Development Group
> Subject: RE: [freetds] bcp, for browse and flags
> > Hi,
> > Do we hreally have an issue, or have I misunderstood...?
> > in tds_get_data_info (TDS 5) we have :
> > curcol->column_identity = (curcol->column_flags & 0x40) > 1;
> > in tds7_get_data_info (TDS 7) we have :
> > curcol->column_identity = (curcol->column_flags & 0x10) > 0;
> > so we can get this already from the dummy select issued in
> > bcp_init()....
> > Bill
> Yes, but for tds4.2 the best way is do a "select * from table_name for
> browse" FOR BROWSE garant that key/id informations are returned from your
> select in all tds versions.
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