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Re: Moving to SpatiaLite: best practice
by Paragon Corporation-2
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Oops slight correction. Forget my comment about
pgsql2shp. I just realized what I was thinking doesn't work, so you may
have to dump the geometry tables to shp and then load into SpatiaLite with the
numerous loaders out there.
I suppose you can chain them like pgsql2shp |
shp2pgsql -w but haven't tried that.
It would be nice if OGR2OGR supports this. I assume
that is in the works, but I think it only supports SQLite not SpatiaLite
yet.
Leo
From: postgis-users-bounces@... [mailto:postgis-users-bounces@...] On Behalf Of Paragon Corporation
Sent: Saturday, June 13, 2009 10:22 PM
To: 'PostGIS Users Discussion'
Subject: Re: [postgis-users] Moving to SpatiaLite: best practice
Jose,
From our experience -- the SQLite SQL syntax compatibility
with PostgreSQL is pretty good, so that your dump idea should more or less work
with minor massaging to load into SQLite. Well it will probably work just
fine for the regular data if you use the -D insert format of PostgreSQL of
pg_dump
So the only issue is the geometry output. These will
probably not be compatible. You could use pgsql2shp and output using the
-w switch which will output to WKT.
That may just work. Haven't tried it myself so good
luck and let us know how it turns out.
Leo
From: postgis-users-bounces@... [mailto:postgis-users-bounces@...] On Behalf Of Jose Gomez-Dans
Sent: Saturday, June 13, 2009 3:44 PM
To: PostGIS Users Discussion
Subject: [postgis-users] Moving to SpatiaLite: best practice
I'm doing some very simple PostGIS-related work: I store data in a table, and from time to time, I do simple stuff with the stored data, sometimes even actually using the geometry column!!! Anyway, PostGIS has been very useful so far, but I now have to move away from my work computer, and I would like to keep on working with my laptop. One way would be to install PostGIS on my laptop, but I am also thinking of giving my program to other people, who might not necessarily need or want to install PostGIS. To this end, spatialite is very handy. It's just a file, and I can use the same PostGIS stuff I've been using up to now. However, I need to move my tables to SpatialLite. In essence, I do have a number of tables, most of which relate a field to a geographical table. It should be trivial to dump schema and SQL and run it pass sqlite/spatialite. I was just wondering whether anyone had any recommendations or ideas on "best practice".
Thanks!
Jose
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