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  • Created about 11 years ago
  • Updated over 2 years ago

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Repository Details

DBD module interfacing the ODBC databases

DBD::ODBC -- DBD module interfacing the ODBC databases.

Build Status CPAN version CPANTS

See LICENSE-AND-COPYRIGHT section in ODBC.pm for usage and distribution rights.

DEPENDENCIES

Build, test and install Perl 5 (as per DBI specifications/compatibility)
It is very important to TEST it and INSTALL it.

Build, test and install the DBI module (at least DBI 1.609).
It is very important to TEST it and INSTALL it.

Remember to *read* the DBD::ODBC.pm POD documentation and the
DBD::ODBC::Changes.pm POD documentation.

BUILDING:

set-up these environment variables:

DBI_DSN   The dbi data source, e.g. 'dbi:ODBC:YOUR_DSN_HERE'

DBI_USER  The username to use to connect to the database

DBI_PASS  The username to use to connect to the database

ODBCHOME  (Unix only) The dir your driver manager is installed in
          or specify this via -o argument to Makefile.PL

DBD_ODBC_UNICODE Any value here will set the default install to
                 attempt to turn on UNICODE support.

If you want UNICODE support on non-Windows platforms specify -u switch to Makefile.PL. If you don't want UNICODE support on Windows specify the -nou switch to Makefile.PL. On non-Windows platforms all UNICODE features will work correctly with the unixODBC driver manager.

If the Makefile.PL finds iODBC and you would prefer to build with unixODBC you can use the -x switch to favor unixODBC. This only happens in rare case where you have binary packages of both installed but you can only have development packages on one installed and DBD::ODBC locates iODBC first. This quite often happens on Ubuntu and other Debian based Linux systems where an incomplete iODBC is often installed.

perl Makefile.PL

make (or nmake/dmake, if VC++ on Win32)

make test (or nmake/dmake, if VC++ on Win32)

TESTING

make test

make test TEST_VERBOSE=1 (if any of the t/* tests fail)

make install (if the tests look okay)

Note that the tests currently all pass when using the Microsoft SQL server driver up to SQL Server 2008 and many other ODBC drivers on Windows and UNIX (too numerous to mention here).

To run an individual test use:

prove -vb t/test.t

If the tests from t/09bind.t fail, that is an indication of lack of ODBC Level 2 functionality. This does not (necessarily) mean that your installation is broken. It does indicate that your ODBC driver does not support certain level 2 calls (see below). All other tests should pass, however, since I've tested with a limited number of ODBC drivers, I could have something wrong in the test. Please notify me if you have an incompatibility in the other tests. (For example, some Paradox ODBC drivers could fail, if they don't support long file names, since in Paradox file names are tableName.db.). Please let me know about any incompatibilities you encounter. I will say, though, that I may not be able to reproduce or fix problems without some help, since I can't possibly install all the known ODBC drivers. Please try to "solve" the problem, in addition to discovering it.

If any of the tests fail and you are using SQL Server and Windows drivers, ensure you updated to MDAC 2.7 or later.

NOTES on ODBC Drivers and Compatibility with DBD-ODBC

This version utilizes at least one "Level 2" ODBC call (SQLDescribeParam). This will affect compatibility with specific ODBC drivers. If the driver is not level 2 (or does not support the level 2 function(s) required), then full compatibility will not be available. The best thing to do is build DBD::ODBC against an ODBC driver manager like unixODBC (http://www.unixodbc.org) as it will resolve many incompatibilities between ODBC versions for you.

IF YOU HAVE PROBLEMS:

Do not hand edit the generated Makefile unless you are completely sure you understand the implications! Always try to make changes via the Makefile.PL command line and/or editing the Makefile.PL.

You should not need to make any changes. If you do please let me know so that I can try to make it automatic in a later release.

This software is supported via the dbi-users mailing list. For more information and to keep informed about progress you can join the mailing list via http://dbi.perl.org (if you are unable to use the web you can subscribe by sending a message to [email protected].

Please post details of any problems (or changes you needed to make) to [email protected]. But note...

** IT IS IMPORTANT TO INCLUDE THE FOLLOWING INFORMATION:

  1. A complete log of a all steps of the build, e.g.:
perl Makefile.PL           (do a make realclean first)

make

make test

make test TEST_VERBOSE=1   (if any tests fail)
  1. Full details of which software you are using, including:
Perl version (the output of perl -V)

ODBC Driver and version

ODBC Driver manager used and version

It is important to check that you are using the latest version before posting. If you're not then I'm very likely to simply say "upgrade to the latest". You would do yourself a favour by upgrading beforehand.

Please remember that I'm very busy. Try to help yourself first, then try to help me help you by following these guidelines carefully.

Regards, Tim, Jeff and Martin.