Good News for SQLite Afficionados

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Robert Simpson, an "early adopter" of the SQLite database and the .NET Framework 2.0 platform, has his first release of ADO.NET Provider 2.0 for SQLite up on SourceForge. Not only did it compile for me with BETA 2 right out of the box, he's really outdone himself.

This thing supports user-defined functions, and the ProviderFactory model as well: To Quote:

Features:



  • DbProviderFactory support, just add the XML below at the machine.config and/or app.config level.

  • Full support for ATTACH'ed databases.  Exposed as Catalogs in the
    schema.  When cloning a connection, all attached databases are automatically
    re-attached to the new connection.

  • DbConnection.GetSchema(...) support includes the MetaDataCollections,
    DataSourceInformation    , Columns, Tables, Views, Catalogs
    and Indexes keywords.

  • Enhanced DbDataReader.GetSchemaTable() functionality returns catalog, namespace
    and detailed schema information even for complex queries.

  • Named and unnamed parameters.

  • Full UTF-8 and UTF-16 support.

  • Multiple simultaneous DataReaders (one DataReader per Command however).

  • Full support for user-defined scalar and aggregate functions, encapsulated into
    an
    easy-to-use base class in which only a couple of overrides are necessary to implement
    new SQL functions.

  • Full support for user-defined collating sequences, every bit as simple to implement
    as user-defined functions and uses the same base class.



In order to use the SQLiteFactory and have the SQLite data provider enumerated in
the DbProviderFactories methods, you must add the following segment into either
your application's app.config or the system's machine.config located in the %SystemRoot%\Microsoft.Net\Framework\v2.xxxx\Config
folder:
 


<configuration>
  <system.data>
    <DbProviderFactories>
      <add name="SQLite Data Provider" invariant="System.Data.SQLite" 
         support="3F" description=".Net Framework Data Provider for SQLite" 
           type="System.Data.SQLite.SQLiteFactory, System.Data.SQLite" />
    </DbProviderFactories>
  </system.data>
</configuration>


You can get your hands on these goodies here,
including the 3.21 version of the SQLite C++ sources as of today, May 25.

Thank YOO, Robert! One Swell Dewd!
Peter has been active on the C# and other MS newsgroups, has had samples at gotdotnet.com (now codegallery.com) that have been downloaded over 56,000 times, and has written numerous articles for eggheadcafe.com, for which he is a co-founder, and MSDNAA sites. He has also been a technical reviewer on books from Prentice Hall, Manning and other publishers. Peter was a Microsoft MVP for 10 years. Peter was born and raised in New York City, and after a stint as a jazz musician playing contrabass with the Robert Hunt Trio, migrated to sunny Florida, where he was hired as a rookie Financial Consultant at Merrill Lynch in Orlando, specializing in Corporate Services. It was at Merrill that Peter realized computers and technology were his forte. He spent his last few years at Merrill developing real – time computerized trading and and stock charting program using advanced technical analysis indicators, some of which are his own inventions. In 1997, he moved on to architect and serve as lead developer on a number of innovative web-based and middleware solutions for the healthcare and financial services industry.

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