On 2/23/15, Evans, Randall <REvans at seasoft.com> wrote: > Can the incremental BLOB functions (sqlite_blob_open(), sqlite_blob_read(), > etc) access BLOB column data defined in a SQLite virtual table? If it > matters, I am only interested in read-only access at this time.
no. > > If the answer is yes, is there any facility in virtual table support for > xColumn or any other method that will expose to the virtual table module the > positioning/length values supplied as the 3rd and 4th arguments of the > sqlite_blob_read() function (N bytes and offset values)? There would have to be, in order for incremental blob I/O to be supported on virtual tables. The absence of such a method is one reason why the answer above is "no". > > > Randy Evans > _______________________________________________ > sqlite-users mailing list > sqlite-users at mailinglists.sqlite.org > http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users > -- D. Richard Hipp drh at sqlite.org
