Harald Niesche wrote:
I compared hsqldb to the Axion DB a while ago, and I found their code
considerably harder to read and in it's current state it does far less
than hsqldb. It's parser is written using JavaCC. Compare the build
instructions to those for hsqldb: http://axion.tigris.org/building.html

...

Thanks for listening

Harald
The only thing more difficult I see in their build instructions is to download dependency libs. I have no idea whether JavaCC has these dependencies, or if JavaCC needs them independently of JavaCC, but it doesn't matter much since I don't think anybody is advocating that we use JavaCC. We should look at the library dependencies for the
products we are considering using, not some other product.

I don't disagree with the rest of what you say wrt the primary HSQLDB parser. This does not necessarily apply to a parser for PL/SQL which needs to handle variables and could hand off globs of the plain SQL (perhaps some pre-processed)
to the primary HSQLDB parser (or a superclass/subclass/something-similar).


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