New subscriber - looking for an overview of the code

From: Lateef Sagar <lateef_sagar(at)yahoo(dot)com>
To: "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: New subscriber - looking for an overview of the code
Date: 2025-03-15 20:27:24
Message-ID: 782551517.4501335.1742070444228@mail.yahoo.com
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Hello devs,I am a coding enthusiast. I have downloaded code in a Ubuntu VMWare machine and I am able to compile the code.
I am looking for a course / site that can give me an overview of the code like:1. How is the code organized and which file/folder has these components?     * Core RDBMS engine components,      * additional DB components,      * DB Rule based security components       * DB Storage components    * Index storage
2. Is there a code sample that can demonstrate DB engine changes (like a sample to change SELECT to SEL or SLCT, or adding a new mathematical operator)
Thanks
Lateef

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