[fpc-pascal] JSON Dataset in FCL-DB.

[Leonardo M. Ramé]

From: Michael Van Canneyt <michael at freepascal.org>
>To: FPC mailing list <fpc-pascal at lists.freepascal.org>; Lazarus mailing list <lazarus at lazarus.freepascal.org> 
>Sent: Friday, December 16, 2011 1:37 PM
>Subject: [fpc-pascal] JSON Dataset in FCL-DB.
> 
>
>Hello,
>
>I just committed a JSON dataset in fcl-db.
>
>This is a dataset which stores its data in JSON objects (as in fpjson) in memory. The records are in a JSON array, each record can be a JSON object or array.
>(not mixed)
>
>The dataset is read-write. It can be used to create JSON data from scratch: just add definitions to the fielddefs properties, and call 'Open'. At the end, call SaveToStream().
>
>There are 2 descendents which read/write ExtJS JSON data packages (Objects or Arrays) from streams but they are usable to handle any kind of JSON data. Currently, the dataset does not yet support propagating changes (deltas) back to a server.
>
>I would be glad to recieve feedback, comments.
>
>Michael.



Does this allow executing selects against an sql database and traverse the results using this JSON dataset?
 
-- 
Leonardo M. Ramé
http://leonardorame.blogspot.com