I am a beginner here in PostgreSQL development. My intention is to extend PostgreSQL and write plugins for it. Can you please direct me to where I can find the following general info ?
How to write a first plugin for pgAdmin ?
pgAdmin does not have any plugin support except for running the external utility.
i.e. psql
How to insert my plugin icon to the pgAdmin tree ? (like pgAgent does)
pgAgent node is integral part of the pgAdmin III.
It is not a plugin.
Where can I find a basic C++ plugin template ?
We may/can help not until we understand your problem statement.
If you want to run an external utility, you may want to look at this template:
