[Haskell-cafe] pure Haskell database
manlio_perillo at libero.it
Thu Sep 25 12:09:18 EDT 2008
Rich Neswold ha scritto:
> On Wed, Sep 24, 2008 at 4:17 PM, Manlio Perillo
> <manlio_perillo at libero.it <mailto:manlio_perillo at libero.it>> wrote:
> I need a simple, concurrent safe, database, written in Haskell.
> A database with the interface of Data.Map would be great, since what
> I need to to is atomically increment some integer values, and I
> would like to avoid to use SQLite.
> How about "MVar (Map k Int)"? or even "Map k (MVar Int)"?
Yes, it is a solution; and I can run a thread that every N seconds
writes the database to a file.
But this works only if the database is used by only one process.
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