You use postgresql and want to know the values of your variables in a pl/pgsql function
You use the raise command to do this. With raise you can see the output as information.
raise notice 'Primary key is %', primkey;
raise notice 'Your own created internal key is %', lubbykey;
For more information have a look in the outstanding postgres manual.
About the Author
Wim Peeters is electronics engineer with an additional master in IT and over 30 years of experience including time spent in support, development, consulting, training and database administration. Wim has worked with SQL Server since version 6.5. He has developed in C/C++, Java and C# on Windows and Linux in different European countries and different European languages. He writes knowledge base articles to solve IT problems and publishes them on the Lubby Knowledge Platform where he is one of the most important contributors and the main developer.