I am having a database course project where I need to make some modification in postgresql.
currently,my objective is to find how a select query runs in postgresql.I have some knowledge related to parsing after going through some document uploaded
in the developer site.But I would like to know the steps after that.
Follow the links. Click on the chart to go to written description. Click on description header to go to relevant code. The READMEs have quite a bit of documentation.