When I saw the Nebula Graph code repository for the first time, I was so shocked by its huge size that I didn’t know how to dig into the source code. Then I worked up the nerve. After reading the code and running the use cases over and over, I finally gained some experience worth sharing with you, hoping that all my experience could push you to give Nebula Graph source code a shot to know more about the graph DBMS, to improve your graph database knowledge, and to fix some bugs that are not so complicated of this repository.
In this article, I took the SHOW SPACES statement as an example to show you how Nebula Graph processes an nGQL statement after it was input on the client side. GDB, the GNU Project debugger, was used to trace the execution.
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