[postgis-users] upload a folder of raster files

Pierre Racine Pierre.Racine at sbf.ulaval.ca
Fri Sep 7 07:37:04 PDT 2012


Ok. There was an error in the function. Fixed now. Copy again and execute. 

Pierre

> -----Original Message-----
> From: Giannis Giakoumidakis [mailto:ggiakoumidakis at yahoo.com]
> Sent: Friday, September 07, 2012 10:28 AM
> To: Pierre Racine; PostGIS Users Discussion
> Subject: Re: [postgis-users] upload a folder of raster files
> 
> So you mean I firstly create SplitTable as it is and then I change arguments in
> SELECT SplitTable(), am I right?
> 
> All right but when I execute the query to create the function at the SQL Editor I
> get an error:     ERROR:  syntax error at or near "(", LINE 19: ...
> quote_ident(targettableschema) || '.' quote_ident(sourcetab...
> 
> I don't change anything, only copying from the page.
> 
> What is wrong?
> 
> 
> 
> 
> 
> 
> ________________________________
> 
> From: Pierre Racine <Pierre.Racine at sbf.ulaval.ca>
> To: Giannis Giakoumidakis <ggiakoumidakis at yahoo.com>; PostGIS Users
> Discussion <postgis-users at postgis.refractions.net>
> Sent: Friday, September 7, 2012 4:20 PM
> Subject: RE: [postgis-users] upload a folder of raster files
> 
> 
> I never you had to change the SplitTable function, just change the argument you
> pass to it. and you have to create a new id per filename. rid is not unique per
> filename.
> 
> Pierre
> 
> > -----Original Message-----
> > From: postgis-users-bounces at postgis.refractions.net [mailto:postgis-users-
> > bounces at postgis.refractions.net] On Behalf Of Giannis Giakoumidakis
> > Sent: Friday, September 07, 2012 4:44 AM
> > To: Pierre Racine; PostGIS Users Discussion
> > Subject: Re: [postgis-users] upload a folder of raster files
> >
> > I firstly try with rid to see if it's working. It gives me an error:
> >
> > ERROR:  syntax error at or near "("
> > LINE 19: ...  FROM ' || quote_ident(public) || '.' quote_ident(cc_all ) ...
> >                                                                                                ^
> >
> > See anything wrong here??
> >
> >
> > -----------------------------------------------------------------------
> > -- SplitTable
> > -- Split a table into a series of tables which names are composed of the
> > -- concatenation of a prefix and the value of a column.
> > --
> > -- sourcetablename  - Name of the table to split into multiple table
> > -- targettableschema - Name of the schema in which to create the new set
> > --                    of table
> > -- targettableprefix - Prefix of the set of table names to create.
> > -- suffixcolumnname  - Name of the column providing the suffix to each name.
> > -----------------------------------------------------------------------
> > CREATE OR REPLACE FUNCTION SplitTable(cc_all text, public text, cc_ text, rid
> > text)
> > RETURNS int AS
> > $BODY$
> > DECLARE
> >    newtablename text;
> >    uniqueid RECORD;
> > BEGIN
> >    FOR uniqueid IN EXECUTE 'SELECT DISTINCT ' || quote_ident(rid) || '::text AS
> > xyz123  FROM ' || quote_ident(public) || '.' quote_ident(cc_all) LOOP
> >        newtablename := cc_ || uniqueid.xyz123;
> >    EXECUTE 'CREATE TABLE ' || quote_ident(public) || '.' ||
> > quote_ident(newtablename) || ' AS SELECT * FROM ' || cc_all || ' WHERE ' ||
> > rid || '::text = ' || quote_literal(uniqueid.xyz123);
> >    END LOOP;
> >    RETURN 1;
> > END;
> > $BODY$
> > LANGUAGE plpgsql VOLATILE STRICT;
> >
> >
> >
> >
> >
> > ________________________________
> >
> > From: Pierre Racine <Pierre.Racine at sbf.ulaval.ca>
> > To: Giannis Giakoumidakis <ggiakoumidakis at yahoo.com>; PostGIS Users
> > Discussion <postgis-users at postgis.refractions.net>
> > Sent: Thursday, September 6, 2012 5:34 PM
> > Subject: RE: [postgis-users] upload a folder of raster files
> >
> >
> > Then I would suggest you use the SQL method:
> >
> > -Create a new table creating a unique numeric id per filename (use
> > generate_series()),
> >
> > -Join this table to the raster table so you get one numeric id per filename and
> >
> > -Use this field when you call SplitTable().
> >
> > Pierre
> >
> > > -----Original Message-----
> > > From: Giannis Giakoumidakis [mailto:ggiakoumidakis at yahoo.com]
> > > Sent: Thursday, September 06, 2012 10:28 AM
> > > To: Pierre Racine; PostGIS Users Discussion
> > > Subject: Re: [postgis-users] upload a folder of raster files
> > >
> > > Anyhow, it's not so important this for me.
> > >
> > >
> > >
> > > The best would be something that reminds the names of the files but it's ok if
> it
> > > is as simple as  cc001, cc002, cc003, ... etc  or  whatever it starts from cc that
> > is
> > > common to all the filenames and then a row of numbers.
> > >
> > >
> > >
> > >
> > >
> > > ________________________________
> > >
> > > From: Pierre Racine <Pierre.Racine at sbf.ulaval.ca>
> > > To: Giannis Giakoumidakis <ggiakoumidakis at yahoo.com>; PostGIS Users
> > > Discussion <postgis-users at postgis.refractions.net>
> > > Sent: Thursday, September 6, 2012 5:03 PM
> > > Subject: RE: [postgis-users] upload a folder of raster files
> > >
> > >
> > > How do you want your tables names to be created from those filenames?
> > >
> > > > -----Original Message-----
> > > > From: Giannis Giakoumidakis [mailto:ggiakoumidakis at yahoo.com]
> > > > Sent: Thursday, September 06, 2012 5:19 AM
> > > > To: Pierre Racine; PostGIS Users Discussion
> > > > Subject: Re: [postgis-users] upload a folder of raster files
> > > >
> > > > Thank you very much!
> > > >
> > > > I need some extra help with the table name generator
> > > > (public.dem_x_!_rid:~4,2!), I can't understand how it works.
> > > >
> > > > Note that my filenames have that form: cc00h00m15s, cc00h00m30s,
> > > > cc00h00m45s, cc00h01m00s, ... , cc02h00m00s (hours, minutes, seconds
> > that
> > > > rising every 15 seconds)
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > ________________________________
> > > >
> > > > From: Pierre Racine <Pierre.Racine at sbf.ulaval.ca>
> > > > To: Giannis Giakoumidakis <ggiakoumidakis at yahoo.com>; PostGIS Users
> > > > Discussion <postgis-users at postgis.refractions.net>
> > > > Sent: Wednesday, September 5, 2012 9:07 PM
> > > > Subject: RE: [postgis-users] upload a folder of raster files
> > > >
> > > >
> > > > Here is my answer to that:
> > > >
> > > > http://geospatialelucubrations.blogspot.ca/2012/09/loading-many-
> rasters-
> > > into-
> > > > separate.html
> > > >
> > > > Pierre
> > > >
> > > > > -----Original Message-----
> > > > > From: postgis-users-bounces at postgis.refractions.net [mailto:postgis-
> > users-
> > > > > bounces at postgis.refractions.net] On Behalf Of Giannis Giakoumidakis
> > > > > Sent: Monday, September 03, 2012 6:12 AM
> > > > > To: PostGIS Users Discussion
> > > > > Subject: [postgis-users] upload a folder of raster files
> > > > >
> > > > > I want to upload to a db a big number of raster files, pe 500, inside a
> > folder,
> > > > > named in a row (file_1 to file_500), each one to a different table. Any
> > ideas?
> > > A
> > > > > loop or something of the basic: raster2pgsql -s 4236 -I -C -M file_1.tif -F -
> t
> > > > > public.demelevation | psql -d gisdb
> > > > >
> > > > > Note that using wildcard (*.tif) doesn't help, I tried but it uploads all files
> in
> > > one
> > > > > table as different rows.
> > > > >
> > > > > My sql knowledge is bad, so any help would be precious. Thanks.
> > > >
> > > >
> > > >
> > >
> > >
> > >
> >
> >
> >
> 
> 
> 




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