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Sybtcl - Tcl interface to Sybase database server
*
* Copyright 1992 Tom Poindexter and U S WEST Enhanced Services, Inc.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted, provided
* that the above copyright notice appear in all copies.
* Tom Poindexter and U S WEST make no representations about the suitability
* of this software for any purpose. It is provided "as is" without express or
* implied warranty. By use of this software the user agrees to
* indemnify and hold harmless Tom Poindexter and U S WEST from any
* claims or liability for loss arising out of such use.
*
*-----------------------------------------------------------------------
* Version 1.0 June, 1992
* Tom Poindexter, Denver Colorado
* tpoindex@nyx.cs.du.edu
*-----------------------------------------------------------------------
* Version 1.1 August, 1992
* Tom Poindexter, Denver Colorado
* tpoindex@nyx.cs.du.edu
*-----------------------------------------------------------------------
* Version 1.2 October, 1992
* Tom Poindexter, Denver Colorado
* tpoindex@nyx.cs.du.edu
*-----------------------------------------------------------------------
* Version 1.3 May, 1993
* Tom Poindexter, Denver Colorado
* tpoind@advtech.uswest.com or tpoindex@nyx.cs.du.edu
*-----------------------------------------------------------------------
* Version 2.0 November, 1993
* Tom Poindexter, Denver Colorado
* tpoind@advtech.uswest.com or tpoindex@nyx.cs.du.edu
*-----------------------------------------------------------------------
* Version 2.1 February, 1994
* Tom Poindexter, Denver Colorado
* tpoind@advtech.uswest.com or tpoindex@nyx.cs.du.edu
*-----------------------------------------------------------------------
* Version 2.11 April, 1994
* Tom Poindexter, Denver Colorado
* tpoind@advtech.uswest.com or tpoindex@nyx.cs.du.edu
*-----------------------------------------------------------------------
* Version 2.2 October, 1994
* Tom Poindexter, Denver Colorado
* tpoindex@nyx.cs.du.edu <<<note new address!
*-----------------------------------------------------------------------
* Version 2.3 August, 1995
* Tom Poindexter, Denver Colorado
* tpoindex@nyx.cs.du.edu
*-----------------------------------------------------------------------
* Version 2.4 December, 1996
* Tom Poindexter, Denver Colorado
* tpoindex@nyx.net
*
WHAT IS SYBTCL?
Sybtcl is an extension to Tool Command Language (Tcl) that provides access
to a Sybase Database server. Sybtcl adds additional Tcl commands that
login to a SQL Server, pass SQL code, read results, etc. Sybtcl was inspired
by similar tools written for Perl (sybperl, oraperl) but was written from
scratch instead of borrowing on the work of either Perl extension.
Sybtcl features:
-supports multiple connections to the same or different SQL Servers
-provides "nextrow" processing for regular and compute return rows
-converts results to strings and returns rows as Tcl lists
-allows user defined null values to be returned
-stored procedures can be executed and return values accessed
-accesses column names, lengths, and datatypes of rows & return values
-provides feedback of SQL Server and DB-Lib messages
-reads/writes text or image datatypes to files
Sybtcl does not:
-perform row buffering or browse mode
-bulk copies
-support two phase commit on multiple servers
ACKNOWLEDGEMENTS
John Ousterhout (ouster@sprite.berkeley.edu) for Tcl and Tk -
wonderful software in my opinion.
Karl Lehenbauer (karl@NeoSoft.com) and
Mark Diekhans (markd@Grizzly.com) for Extended Tcl -
more good stuff.
Michael Peppler (mpeppler@itf0.itf.ch) for sybperl, which gave me
the inspiration to write Sybtcl.
REQUIREMENTS
Since Sybtcl is an extension to Tcl, you should already have Tcl, or be
prepared to get it via Ftp [sites listed below].
Of course, you must also have access to a Sybase Databaser Server.
Additionally, you must have the Sybase Open Client (aka "DB-Library") package
that provides header files and object libraries; Sybtcl must be linked
with libsybdb.a.
Starting with version 2.4, Sybtcl supports building a dynamic load library on
systems that support dynamic loading. If you build static libraries and
executables, I recommend building with Extended Tcl.
The specific software versions I used:
Tcl - 7.5 ftp.smli.com:/pub/tcl/tcl7.5.tar.Z
Tk - 4.1 ftp.smli.com:/pub/tcl/tk4.1.tar.Z
also avaible at
ftp.neosoft.com:/pub/tcl/mirror/ftp.smli.com
and
http://www.neosoft.com/tcl
Extended Tcl - 7.5.2 ftp.neosoft.com
/pub/tcl/tclx-distrib/tclX7.5.2.tar.gz
Sybase SQL Server - 4.x, System 10, or System 11
Sybase Open Client / DB-Lib
>>>>>>> I've put sybtcl-2.4.tar.gz on ftp.neosoft.com
in /pub/tcl/NEW/sybtcl-2.4.tar.gz
The Tcl archive at ftp.neosoft.com is due for reorganization, so
the path may have changed. Just keep looking in the tcl area.
see the newsgroup comp.lang.tcl for general Tcl discussion and
the Tcl Frequently Asked Questions.
**Flash**
Configure and Makefile have been tweaked to work with Tcl7.6, Tk4.2, and
TclX7.6.0b2, as well as the versions listed above.
I've built Sybtcl in Sequent PTX 1.3 (System V 3.2), SunOS 4.1.x, Solaris 2.5,
and HPUX 9.x/10.x.
Other users have reported successful compiles on:
SGI Irix
IBM AIX
DEC OSF/1, DEC Unix
SCO Unix
(mail to me on a successful port on other platforms; I'll add to this list)
SAMPLES
Some samples are included using the Extended Tcl tcl(1) and wishx(1)
interpreters. In particular, the "wisqlite" (Windowing ISQL) program
is a handy replacement for Sybase's Isql in an X11 environment.
Also, De Clarke's enhanced wisql is included in ./samples/uco/*. A very
nice query tool to give to users who haven't learned SQL.
See ./samples/README.samples plus each file's comments and code.
MAN PAGE
You're in luck! I've written one.
OTHER DOCUMENTATION
The directory ./doc contains a draft of a chapter I'm writing on Sybtcl
for an upcoming book on Tcl extensions, to be published by O'Reilly &
Associates spring 1997 (?).
BUG REPORTS
Comments, suggestions, et.al., should be mailed to me at the above email
address, or posted to comp.lang.tcl if general enough nature.
Hell, you can even mail to me if you like Sybtcl!
Mail bug reports to: tpoindex@nyx.net
Please *always* include:
-version of Sybtcl
-version of Tcl, Tk, and TclX
-version of Sybase server and DB-Libary
-version of your operating system
-compiler used, stock cc or Gcc
-samples of SQL or Sybtcl code causing problems
-relevant database table definitions, views, procedures
SYBTCL WWW PAGE
I keep terse, but usually up todate information at:
http://www.nyx.net/~tpoindex
TCL DATABASE MAILING LIST
A mailing list is available for specific discussions about using Tcl with
databases, including Oratcl, Sybtcl, etc. Feel free to join and mail to the
list. The list is hosted by De Clarke.
To subscribe to this list send mail to
tcldb-request@ucolick.org
and in the body of the message write
subscribe
To unsubscribe... (well, you get the idea).
Please remember to write to tcldb-owner with problems about the
list itself, or to postmaster@ucolick.org if you have difficulties
getting through to the tcldb-owner address. Please do not send
subscribe and unsubscribe messages to the list itself.
INSTALLATION
Quickie install instructions:
./configure --prefix=/same/prefix/path/as/with/tcl/configure \
--exec-prefix=/same/exec-prefix/path/as/with/tcl/configure \
--enable-shared
make
make install
Didn't work? You'll have to read the INSTALL file. Maybe you should read it
anyway.
OTHER
Try out the Sybtcl C API. It allows your C programs to access Sybase
using the Sybtcl model. It's experimental; please mail to me if
it works for you, or if you have improvements. See ./sybtcl-capi/*
See the file CHANGES for changes in versions of Sybtcl.
-finis-