[mapserver-dev] FW: [OSGeo-Discuss] OSGeo has been accepted at Google Summer of Code!

[Olivier Courtin]

On Mar 21, 2012, at 5:10 PM, Even Rouault wrote:

>> Well it shows that i don't know OGR deeper enough !
>> 
>> Do you have a vision of FE support in OGR ?
>> (i.e 1.0, 1.1 and 2.0 versions ?, partial or full ?, is there also a way to
>> add new
>> SQL functions mapping ?)
> 
> OGR has no direct support for filter encoding. It can just accepts SQL requests
> and blindly forwards it to sqlite/postgres/mysql/oracle/filegdb/ingres etc...
> Filter Encoding -> SQL conversion must be done in TinyOWS code.

Ok i suddenly believed we have a FE -> SQL middleware !

> As far as the capabilities of OGR SQL own engine, they are described here :
> http://gdal.org/ogr/ogr_sql.html .

Ok thanks !

> But I doubt this is really interesting for
> TinyOWS goal, unless you want to support editing shapefiles through WFS/T ;-)


For reading only purpose, we could imagine to use virtual shapefile 
table driver from SpatiaLite,
but i don't even want to think about handling ACID on the top of a flat file ^^