James K. Lowden wrote: > I'm not sure how to manage the lifetime of ancillary data for a > user-defined function added by sqlite3_create_function (). > [...] > Suppose xStep doesn't fail, but another query is executing > simultaneously, also using the median() UDF. I need one data structure > per context. I don't see support for that in the SQLite API.
http://www.sqlite.org/c3ref/aggregate_context.html > Suppose sqlite3_realloc() fails during one xStep. The > computation will be invalidated. Will xStep be called again after it > raises an error? xStep does not raise an error. Set a flag, and return an error in xFinish. > Will xFinal be called? Yes. Regards, Clemens _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
