Hi Cliff,

I no longer have a Micrsoft Access database; I now have a simple
SQLite database.

Will rename the tables so that they work with the conversion script.

On Sat, Apr 20, 2013 at 7:26 AM, Cliff Kachinske <[email protected]> wrote:
> Pardon me if I'm telling you things you already know.  For the short
> version, skip to the bottom two paragraphs.
>
> You can think of a db driven application as having several layers.  The
> bottom layer is the database engine and the rdbms.  For this simplicity I'm
> discussing them as one unit, though they are not quite.  This layer stores
> the data and performs the CRUD operations.  It knows how to do these things.
>
> For what you are trying to do, that would be SQLite.
>
> On top of the rdbms there is a layer that tells the rdbms what to do.  The
> language it generally uses for this is SQL.  There are statements like
> INSERT, DELETE, UPDATE.  In the day-to-day operations, those are the most
> important ones.  This middle layer also transmits data between the rdbms and
> the top layer.  Some people call this the business rules layer.
>
> The top layer interacts with the (most of the time) human user.  Sometimes
> this is called the presentation layer.
>
> What Microsoft did with Access is blur the natural and easy distinctions
> between these layers.  The result is Access, a confusingly mixed bag of
> rdbms, business rules layer and presentation layer.  They also threw in an
> IDE.  That all seems really convenient and I guess it's OK if one can solve
> all one's computer app needs with Access.  But if one ever need to grow
> beyond it, Access has not taught anything about the Natural Order Of Things.
>
> So I'm pretty sure your db dump is a collection of SQL commands to create
> tables in SQLite and populate those tables with the data that was in the
> Access tables.
>
> All you have right now is the bottom layer of your application.
>
> I hope you're still with me because the news is actually quite good.  You
> can use SQLFORM.grid and SQLFORM.smartgrid to manage the data in these
> tables.  The great thing about smartgrid especially is that it knows about
> table joins so you still don't have to dig into DAL syntax.
> On Friday, April 19, 2013 1:42:45 AM UTC-4, Alec Taylor wrote:
>>
>> I finally completed a successful conversion of my Microsoft Access
>> database to SQLite 3; after trying numerous scripts on a couple of
>> platforms.
>>
>> I used the `.dump` command to create a *.sql file with the `CREATE
>> TABLE` and associated statements.
>>
>> Then using the "extract_sqlite_models.py" from the "scripts" folder I
>> generated some code; but found that what was generated was legacy
>> database accesses; it didn't generate the modern syntax with Field()
>> and whatnot.
>>
>> How do I automate the conversion of the SQLite 3 database to web2py
>> DAL's syntax?
>>
>> (furthermore would like to access the current .db from web2py; as
>> there is data there)
>>
>> Thanks for all suggestions,
>>
>> Alec Taylor
>
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