Hi Jason,
I did some successful experimenting around with this idea about a year ago
or so. You'll probably be interested in the following issue:
https://github.com/PyTables/PyTables/issues/31 As implemented here, it
uses the undo/redo mechanism for hooking into events. You can take the
code as is, or if there is interest we could put it into the main code
base.
However, I think a general hooking system (that undo/redo just happens to
use) is probably a better way to go about this since it wouldn't add extra
data to the file (unless you wanted it to). Let me know if this is
something that you are interested in pursuing as well.
Be Well
Anthony
On Mon, Jan 30, 2012 at 3:37 PM, Jason Moore <moorepa...@gmail.com> wrote:
> Does PyTables and/or HDF5 have any kind of database
> trigger<http://en.wikipedia.org/wiki/Database_trigger>functionality?
>
> I store raw data in a PyTables based database, process the data and then
> store the new data in the database. There are times when I modify the raw
> data and would like the processed tables to be updated based on their
> dependencies to the raw data. I can imagine writing custom methods to check
> this, but was wondering if there is some generic way to do this.
>
> Jason
>
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