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<p class=MsoNormal><span style='color:#1F497D'>Hi,<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Does anyone have any thoughts on
the topic below?<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Thanks,<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Orest.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> fdo-internals-bounces@lists.osgeo.org
[mailto:fdo-internals-bounces@lists.osgeo.org] <b>On Behalf Of </b>Orest
Halustchak<br>
<b>Sent:</b> Friday, June 26, 2009 11:06 AM<br>
<b>To:</b> FDO Internals Mail List<br>
<b>Subject:</b> [fdo-internals] PostGIS provider connection question<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Hi,<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I have a concern about the current connection parameters
that the FDO PostGIS provider is using.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>The current situation is this.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>To make a connection to PostGIS we need to specify a service
and a datastore.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>The service is mapped to<o:p></o:p></p>
<p class=MsoNormal style='text-indent:35.4pt'> database@server:port<o:p></o:p></p>
<p class=MsoNormal style='text-indent:35.4pt'><o:p> </o:p></p>
<p class=MsoNormal>And the datastore to<o:p></o:p></p>
<p class=MsoNormal>
The physical postgis schema<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>So a typical connection would be<o:p></o:p></p>
<p class=MsoNormal>Service :
MyPGDatabase@MyServer:5432<o:p></o:p></p>
<p class=MsoNormal>Datastore :
public<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>But a PostGIS server can contain multiple databases with
each database containing multiple schemas, which contain the tables. My
question is why wouldn’t we set up a connection mapping that exposes the
PostGIS databases as FDO datastores and the PostGIS schemas as FDO schema,
similar to how we do it with SQL Server, which has similar concepts.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>So, connection information would be:<o:p></o:p></p>
<p class=MsoNormal>
Service: server:port,
e.g.
MyServer:5432<o:p></o:p></p>
<p class=MsoNormal> Datastore:
PG database name, e.g. MyPGDatabase<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Then, within that datastore, we have schemas called ‘public’
and any other schemas that the user has created there, such as “landbase”,
“transportation”, “utilities”, etc.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I realize that this has already been implemented and
changing this could have some backwards compatibility issues with applications
and MG resource definitions. But, maybe the benefits of having a better
datastore / schema mapping to PG database / schema would be worth figuring out
how to deal with the compatibility issues?<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>What do you think?<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Thanks,<o:p></o:p></p>
<p class=MsoNormal>Orest.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
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