Matthew Simon Cavalletto > DBIx-SQLEngine-0.009 > DBIx::SQLEngine::ReadMe

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NAME ^

DBIx::SQLEngine::ReadMe - Introduction to DBIx::SQLEngine.

DESCRIPTION ^

The DBIx::SQLEngine class provides an extended interface for DBI database handles, adding methods that support ad-hoc SQL generation and query execution in a single call.

MOTIVATION ^

This is the most recent version of a collection of libraries that I've used over the last several years to develop business data applications and object-relational mapping toolkits.

Its goal is to simplify dynamic query execution with the following capabilities:

DEPENDENCIES ^

This module requires these other modules and libraries:

  DBI                           1.0
  DBIx::AnyDBD                  2.0
  Class::MakeMethods            1.003
  Class::MakeMethods::Template  1.003

You must also have at least one working DBD module installed. If you run into trouble, check that your DBI and DBD modules are up-to-date; in particular, if you are using DBD::CSV or DBD::AnyData, make sure you have upgraded to SQL::Statement 1.0 or later.

INSTALLATION ^

To install this module type the following:

  perl Makefile.PL
  make
  make test
  make install

In order for the test to succeed, you must also have at least one working DBD module installed, and must provide a DSN to which the script can connect with permissions to create tables.

STATUS AND SUPPORT ^

This version is routine release of DBIx::SQLEngine intended for public use.

The proposed CPAN module list entry is as follows:

  Name            DSLI  Description
  --------------  ----  ---------------------------------------------
  DBIx::
  ::SQLEngine     bdpo  Extends DBI with high-level operations

Further information and support for this module is available at http://www.evoscript.org.

Please report bugs or other problems to <simonm@cavalletto.org>.

See DBIx::SQLEngine::ToDo for bugs and missing features.

SEE ALSO ^

See DBIx::SQLEngine for interface documentation.

See DBIx::SQLEngine::Changes for revision history.

Similar Modules

Several other CPAN modules provide a similar wrapper around DBI for purposes of simplification, abstraction, or portability.

Most of these provide simple wrappers around DBI's connect, prepare, and fetch methods, but do not appear to support any kind of cross-DBMS portability mechanism. See DBIx::Abstract, DBIx::AbstractLite, and DBIx::Broker for examples of this group. (Single-platform solutions like MySQL::Easy are also available.)

Some provide at least some cross-DBMS support via specialized subclasses for the DBDs they support. See DBIx::SearchBuilder, DBIx::Easy, and DBIx::DWIW for examples of this group. An incomplete but interesting newcomer is available in DBIx::Portable.

The DBIx::Recordset framework provides similar functionality, including a substantial library of cross-DBMS compatibilty information. It also includes a tied-hash interface that allows automatic updates on retrieved rows. See DBIx::RecordSet, DBIx::Database, DBIx::Compat

The Alzabo framework provides similar functionality, including DBMS-specific SQL generation, as part of an RDBMS-OO mapper; see Alzabo::Driver and Alzabo::SQLMaker.

CREDITS AND COPYRIGHT ^

Developed By

  M. Simon Cavalletto, simonm@cavalletto.org
  Evolution Softworks, www.evoscript.org

Contributors

  Piglet / EJ Evans, piglet@piglet.org
  Eric Schneider, roark@evolution.com

Copyright

Copyright 2001, 2002 Matthew Cavalletto.

Portions copyright 1997, 1998, 1999, 2000, 2001 Evolution Online Systems, Inc.

License

You may use, modify, and distribute this software under the same terms as Perl.

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