On Mon, 30 Mar 2009, Joe Conway wrote:

I'm trying to efficiently allow conversion of R objects to PostgreSQL bytea (raw binary) datatype within PL/R for persistent storage in Postgres tables. I have found R_serialize() which looks like what I need, -- e.g. R_serialize(object, NULL, FALSE, NULL) -- except that it is marked attribute_hidden. Is there some other externally available interface that I can use?

R_Serialize is in Rinternals.h. R_serialize is a wrapper using connections, and connections do not have a public API.

Do note the comments in ?serialize: 'persistent' storage of objects in an experimental format is somewhat contradictory.

--
Brian D. Ripley,                  rip...@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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