Re: [Haskell-cafe] ANNOUNCE: Takusen 0.8.6

Why are the Takusen module links on Hackage dead? I would also like to take this opportunity to request a Takusen tutorial and to thank you for this innovative library. -deech On Sun, Aug 1, 2010 at 12:59 PM, Jason Dagit wrote:

On Sun, Aug 1, 2010 at 9:10 AM, David Anderson wrote:

...

Congrats on the release.

Just one humble suggestion: your email assumes that the reader already knows what Takusen is. Reading the email, all I can infer is that it has something to do with databases, because of the ODBC reference. The only link in the email also does nothing to explain, since it just links to a ball of code. The README there also assumes that I already know that I want Takusen, and so doesn't bother to explain what it does, only how to use it.

Sorry about that. The description from hackage: http://hackage.haskell.org/package/Takusen

Takusen: Database library with left-fold interface, for PostgreSQL, Oracle, SQLite, ODBC.

Takusen is a DBMS access library. Like HSQL and HDBC, we support arbitrary SQL statements (currently strings, extensible to anything that can be converted to a string).

Takusen's unique selling point is safety and efficiency. We statically ensure all acquired database resources - such as cursors, connections, and statement handles - are released, exactly once, at predictable times. Takusen can avoid loading the whole result set in memory, and so can handle queries returning millions of rows in constant space. Takusen also supports automatic marshalling and unmarshalling of results and query parameters. These benefits come from the design of query result processing around a left-fold enumerator.

Currently we fully support ODBC, Oracle, Sqlite, and PostgreSQL.

...

Ideally, release announcements should always include a 1-sentence executive summary of what the project is, before heading on to what is new. Say, "The Takusen team would like to announce the latest release of Takusen, 0.8.6. Takusen is . This is primarily a bugfix release..."

Thanks, I'll remember that.

Jason

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