R-IBMDB is a limited ODBC based interface between R and DB2. It offers much more efficient reads and writes from R dataframes to DB2 tables than generic packages such as RJDBC and RODBC, especially for large datasets
Package installation steps are in the install.sh script
WHC-RWE-Dev/RWE_Notebooks_libraries_Nightly
library("R-IBMDB")
For development, the R-IBMDB library comes with a test suite that uses the testthat R package.
To use it, ensure that a database called PUBWRKSP exists on the test server.
Read the comments in rdb2_test_setup.sh from the RDB2 tests folder and run it.
Run the following code after installing R-IBMDB and dataConn
chmod -R 777 /tmp/RDB2
su db2inst1
/usr/bin/Rscript -<< EOF
library("devtools")
setwd("/tmp")
devtools::check("/tmp/RDB2/")
EOF
First install valgrind on the target system.
The file suppressions.txt in the tests folder suppresses some known non-fatal issues in R and the DB2 ODBC driver.
Run R with valgrind as debugger using the following command and the correct path for suppressions.txt.
R -d "valgrind --track-origins=yes --leak-check=full --suppressions=suppressions.txt"
You can now use R as usual and quit() when done. Valgrind will display a report with the details of memory used and any potential leaks.