access primary key name from metadata object
access primary key name from metadata object

muffato/public-plugins,andrewyatz/public-plugins,Ensembl/public-plugins,andrewyatz/public-plugins,muffato/public-plugins,andrewyatz/public-plugins,andrewyatz/public-plugins,Ensembl/public-plugins,muffato/public-plugins,Ensembl/public-plugins,muffato/public-plugins,andrewyatz/public-plugins