Github packages in shiny build

[Taylor White]

Hi all,

Is it possible to use development packages hosted on GitHub for a shiny app? I'm interested in using https://github.com/rstats-db/RPostgres but the build failed.

Thank you,

Taylor

[Tareef Kawaf]

Yes, you should definitely be able to use packages from Github.  The shinyapps package should detect the version of the package you have installed and include that in the manifest it sends to shinyapps.io.

-Tareef

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[Taylor White]

Thanks Tareef! 

I think there must be some other issues with the build then. Could it be that the issue relates to problems compiling Rcpp components? I received the error below when trying to build RPostgres: 

[2015-05-19T06:18:27.190917678+0000] Building R package: RPostgres (0.1)
/mnt/packages/build /mnt
Warning in untar2(tarfile, files, list, exdir, restore_times) :
  skipping pax global extended headers
* installing to library ‘/usr/local/lib/R/site-library’
* installing *source* package ‘RPostgres’ ...
** libs
gcc -std=gnu99 -I/usr/share/R/include -DNDEBUG -I/usr/include/postgresql  -I"/usr/local/lib/R/site-library/Rcpp/include" -I"/usr/local/lib/R/site-library/BH/include"   -fpic  -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -g  -c RPostgres-init.c -o RPostgres-init.o
g++ -I/usr/share/R/include -DNDEBUG -I/usr/include/postgresql  -I"/usr/local/lib/R/site-library/Rcpp/include" -I"/usr/local/lib/R/site-library/BH/include"   -fpic  -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -g  -c RcppExports.cpp -o RcppExports.o
g++ -I/usr/share/R/include -DNDEBUG -I/usr/include/postgresql  -I"/usr/local/lib/R/site-library/Rcpp/include" -I"/usr/local/lib/R/site-library/BH/include"   -fpic  -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -g  -c connection.cpp -o connection.o
g++ -I/usr/share/R/include -DNDEBUG -I/usr/include/postgresql  -I"/usr/local/lib/R/site-library/Rcpp/include" -I"/usr/local/lib/R/site-library/BH/include"   -fpic  -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -g  -c encode.cpp -o encode.o
g++ -I/usr/share/R/include -DNDEBUG -I/usr/include/postgresql  -I"/usr/local/lib/R/site-library/Rcpp/include" -I"/usr/local/lib/R/site-library/BH/include"   -fpic  -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -g  -c encrypt.cpp -o encrypt.o
In file included from PqResult.h:9:0,
                 from RPostgres_types.h:5,
                 from RcppExports.cpp:4:
PqRow.h: In member function ‘bool PqRow::hasData()’:
PqRow.h:45:24: error: ‘PGRES_SINGLE_TUPLE’ was not declared in this scope
In file included from RPostgres_types.h:5:0,
                 from RcppExports.cpp:4:
PqResult.h: In member function ‘void PqResult::bind()’:
PqResult.h:82:43: error: ‘PQsetSingleRowMode’ was not declared in this scope
PqResult.h: In member function ‘void PqResult::bind(Rcpp::ListOf<Rcpp::Vector<16> >)’:
PqResult.h:105:43: error: ‘PQsetSingleRowMode’ was not declared in this scope
make: *** [RcppExports.o] Error 1
make: *** Waiting for unfinished jobs....

In file included from PqResult.h:9:0,
 ################################### End Log################################### 
Error: Unhandled Exception: Child Task 34903624 failed: Error building image: Error building RPostgres (0.1). Build exited with non-zero status: 1

[Tareef Kawaf]

Hi Taylor,

I actually don't know much about RPostgres, but I noticed that the current version is 0.4. Would it make sense to upgrade your version of RPostgres and see if that makes a difference?

-Tareef

[Taylor White]

Yeah so it's a bit confusing -- there is an established RPostgreSQL package (0.4 as you say) on CRAN and there is a RPostgres in development on github (0.1). I think I found a workaround but I'll post the resolution when I figure it out.