On Fri, Jun 9, 2017 at 3:05 AM, Heikki Linnakangas <hlinn...@iki.fi> wrote:
> On 06/09/2017 08:56 AM, Supun Nakandala wrote: > >> Hi hackers, >> >> I am trying to extend PostgreSQL by adding UDT and UDF for a custom use >> case and I am using C language extensions to do that. >> >> However, I have a requirement of reading a text file from one of the C >> functions. The compiled *.so files are placed in the "pg_config >> --pkglibdir" directory and tried copying my text files there but it didn't >> work. I found that, when these shared libs are loaded they are run from a >> different working directory. In this case, what is the best way to refer >> to >> my text files from the C code other than giving the absolute path which >> can >> change from system to system. >> > > All backend processes run with the data directory as the current > directory. So you can put the files into the data directory, probably best > to have a subdirectory there to avoid confusing them with PostgreSQL's own > files. Or you could have a config option, to set an absolute path. > > - Heikki > > Thank you everyone for your quick replies. I ended up copying the files to the data directory and referring using relative path.
