Hi Marian,
here there is an example:

the one on the top is a class instead the one on the bottom is the database table that the class access.

This is a small example about what you can do by having information about the code and the database in the same model.

Cheers,

Fabrizio

On 1 Sep 2010, at 14:18, Mariano Martinez Peck wrote:



On Tue, Aug 31, 2010 at 7:36 AM, Tudor Girba <tudor.girba@gmail.com> wrote:
It is useful when you want to understand a database and possibly it's relationship with code.

For example, an SQL query in the string of some Java code that refers to a certain table creates a logical dependency. If we can relate the two worlds, we can build larger analyses.

Does it make better sense now?


Yes. I think that yes :)

I was thinking more from a database driver point of view, not from visualization. Sorry, I forgot this was moose hahhaha

 
Doru



On 31 Aug 2010, at 07:16, Mariano Martinez Peck wrote:

Sorry for my completely ignorance, but what can be the use of parsing SQL?

Suppose from the point of view of a database driver that receives queries, or from a ORM point of view....does it make sense for something?

Thanks

Mariano

On Tue, Aug 31, 2010 at 12:59 AM, Tudor Girba <tudor.girba@gmail.com> wrote:
That is cool news. I will take a look in the following days.

Cheers,
Doru



On 30 Aug 2010, at 16:00, Fabrizio Perin wrote:

Hi all,
i did implement an SQL parser using Petit Parser. I toke the grammar specification from SQLite http://www.sqlite.org/lang.html . The grammar implemented is not complete, for now i did implement "just" the create table statement, it means that you should be able to parse at least a script for create the database.

The code is in squeaksource http://www.squeaksource.com/@09zbthA-fDDfyUNQ/_OIex3aA .

To download it you can evaluate this:

Gofer new
      squeaksource: 'PetitSQLParser';
      package: 'ConfigurationOfPetitSQLParser';
      load.
(Smalltalk at: #ConfigurationOfPetitSQLParser) perform: #loadDefault
in the repository there are several packages: the core contains the parser for the grammar.

In the package parser there is a parser that instantiate some draft objects representing relational elements.

In the next future i will start to implement also other statements.

If you start to use it and you have some problem please let me know.

Cheers,

Fabrizio

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