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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
*-----------------------------------------------------------------------
* Version 2.5 November, 1997
* 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 (john.ousterhout@eng.sun.com) 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@datamig.com) 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 - 7.6p2 ftp.sunlabs.com:/pub/tcl/tcl7.6p2.tar.gz
Tk - 4.2p2 ftp.sunlabs.com:/pub/tcl/tk4.2p2.tar.gz
also avaible at
ftp.neosoft.com:/pub/tcl/mirror/ftp.smli.com
and
http://www.neosoft.com/tcl
Extended Tcl - 7.6.0 ftp.neosoft.com
/pub/tcl/TclX/tclX7.6.0.tar.gz
Also works with:
Tcl - 8.0p2 ftp.sunlabs.com:/pub/tcl/tcl8.0p2.tar.gz
Tk - 8.0p2 ftp.sunlabs.com:/pub/tcl/tk8.0p2.tar.gz
Extended Tcl - 8.0.2 ftp.neosoft.com
/pub/tcl/TclX/tclX8.0.2.tar.gz
Sybase SQL Server - 4.x, System 10, or System 11
Sybase Open Client / DB-Lib (CT-Lib in a pinch, see INSTALL)
>>>>>>> I've put sybtcl-2.5.tar.gz on ftp.neosoft.com
in /pub/tcl/sorted/databases/sybtcl-2.5/sybtcl-2.5.tar.gz
Also available at:
http://www.neosoft.com/tcl/ftparchive/sorted/databases
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.
I've built Sybtcl in Sequent PTX 1.3 (System V 3.2), SunOS 4.1.x, Solaris 2.5,
Dec Unix, HPUX 9.x/10.x, Linux/ELF (RedHat 4.2), and Windows NT 4.0/VC++ 4.0.
Other users have reported successful compiles on:
SGI Irix
IBM AIX
SCO Unix
(mail to me on a successful port on other platforms; I'll add to this list)
>> Linux users: See ctcompat/README.ctcompat!
WINDOWS NT/95 AND MACINTOSH
DLLs for Windows NT/95 are supplied in the ./win directory. Two DLLs are
supplied, one compiled with Tcl 7.6, the other compiled with Tcl 8.0.
Run the 'install.tcl' to install the correct version.
See the win/README.win file for more information.
** Windows users can use 'WinZip' to unpack .tar.gz files.
At this time, no Macintosh libraries are supplied. (Anyone with a Mac,
a C compiler, and Sybase libraries care to contribute? email me!)
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
Sybtcl is explained in greater detail in "Tcl/Tk Tools", edited by Mark
Harrison, and published by O'Reilly and Associates. "Tcl/Tk Tools" is
a new book that covers many of the popular Tcl extensions, written by
the authors of each extension (I wrote the chapters on Sybtcl and Oratcl.)
1st Edition published September 1997, ISBN: 1-56592-218-2
See your local bookstore, or try:
http://www.softpro.com
http://www.amazon.com
http://www.ora.com
http://www.barnesandnoble.com
BUG REPORTS
Comments, suggestions, et.al., should be mailed to me
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
If you post a question or bug report to comp.lang.tcl, I may not see it,
so please copy me also.
Please ALWAYS include:
-version of Sybtcl
-version of Tcl, Tk, and TclX
-version of Sybase server and DB-Libary
-version of your operating system
-switches used with configure (see config.status)
-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 to date 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
listserv@ucolick.org
and in the body of the message write
subscribe tcldb
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
make
make install
Didn't work? You'll have to read the INSTALL file. Maybe you should read it
anyway.
NOTE!!! I strongly advise that you build Tcl with the '--enable-shared' option.
Sybtcl uses information that Tcl's configure finds, particularly information
about compiling and linking for dynamic shared libraries. Sybtcl by
default builds a shared library. See the INSTALL file for additional notes.
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-