[Pharo-users] Pharo and SQLite

Robert Withers robert.w.withers at gmail.com
Thu Oct 15 14:05:00 EDT 2015

Hi Jimmie,

Is this SQlite adaptor you wrote published publicly? I'd definitely like 
to evaluate this technology for my stack.

Thank you,

On 10/15/2015 01:58 PM, Jimmie Houchin wrote:
> Hello,
> I am working on a project for my wife. I initially thought I would keep
> all my data inside Pharo because it is a simple project and Pharo is
> great at persistence in the image.
> But as I pursued the project it felt like I was reinventing the
> database. So I thought why am I considering working so hard to structure
> my classes and objects in such a way that I am in effect writing my own
> database. All of this to avoid using a "real" database.
> Part of my projects goals is to keep this project contained. I do not
> want to require my wife or whomever I share this with to have to install
> anything other than copy or unzip the Pharo folder. No PostgreSQL or
> MongoDB installs. Keep it simple.
> This is a goal I have for a lot of my ideas.
> In my 20+ years of computing and Internet. I have seen lots of
> applications come and go.
> (and no, I don't have gray hair, even though I have children older than
> probably half the people here.)
> Many years ago, my wife and I made tremendous use out of Apple Works and
> Microsoft Works. Apple at home and for me Microsoft at work. We loved
> the ease and simplicity we could throw a database together and just do
> stuff. It was great. In fact on my work PC I still use weekly and
> sometimes daily a database I wrote in 1994. I am almost at the point
> that Windows won't run this ancient MSWorks 4 database. I will have to
> move my data.
> Of course these tools aren't the greatest. They have significant
> limitations, but despite the limitations they were very empowering.
> My wife started to attempt something similar in LibreOffice but
> LibreOffice wasn't so simple. It was confusing to her. I briefly looked
> at LibreOffice but I am not convinced that it is the best or right tool
> for the job.
> So that sent me on an adventure to implement this in Pharo. In my
> learning that I don't want to reinvent the database I have initially
> settled on using SQLite. SQLite meets my requirements above. It is
> embedded in my Pharo app and only requires including the database file I
> create. Very portable and easy to install along with anything else in
> Pharo.
> SQLite seems like a very good match and complement to Pharo. A trusted,
> reliable, external persistence that is as simple and portable as is Pharo.
> Richard Hipp creator of SQLite has several videos describing how he
> believes SQLite should be used and should not be used.
> SQLite: The Database at the Edge of the Network with Dr. Richard Hipp
> https://www.youtube.com/watch?v=Jib2AmRb_rk
> 2014 SouthEast LinuxFest - Richard Hipp - SQLite as an Application File
> Format
> https://www.youtube.com/watch?v=8y_ABXwYtuc
> The videos are inspirational for using SQLite. I like what he says. I
> encourage watching. I have watched these and others of his including his
> anti-git video.
> I am not knowledgeable about the use of git in Pharo, but I would be
> interested if anybody has considered and knows the pros and cons of
> using Fossil instead. I know, it wouldn't get us on GitHub. I may be the
> only one. But that isn't a biggie for me.
> TL;DW (didn't watch)
> Use SQLite for Application File Format for persistence instead of a
> (zipped) pile of files and you get many benefits. Examples in videos as
> the wrong way, LibreOffice and git.
> I think using SQLite like this for Pharo would be an excellent match. We
> gain all the benefits of SQLite, transactions, ACID. In a tool that is
> nicely (non)licensed, and is used and trusted generally by most all of
> the software world.
> For Pharo this buys us an excellent, simple, equally portable
> persistence. It also buys us persistence that is trusted by people who
> don't trust the image for their data. This could possible help with
> people who explore Pharo but aren't comfortable about image only. Now of
> course it won't help the Emacs or Vim, ... people.
> I am exploring the idea of using Pharo and SQLite for what I would have
> previously used Apple/MS Works database for. At first it would be
> building the app/project for my wife. And during and after that project
> generalize some things to make a better out of the box solution for like
> projects.
> Thoughts, opinions, ideas, wisdom. Any and all appreciated.
> Thanks.
> Jimmie

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