[postgis-users] help with the Union of 2 shp

[J.Alejandro Martinez Linares]

El 19/12/13 19:22, Rémi Cura escribió:
> it is a regular sql command :
> use pgadmin or psql
>
> vacuum full analyze;
i'll do a full analysis vacuum to my DB ok.
>
>
> To execute by pieces, there are many possibilities,
> one would be to use pgscript.
> The idea is to split your big query into smaller queries.
and , how can i do it, i mean, how can i split my big query, in the case 
of only this
"CREATE TABLE SPLITED AS
SELECT ST_Split(b.the_geom,z.the_geom) AS the_geom
FROM public.mapa_base_141213 b, public.all_lines_merged z;"

how can i do it
>
> Cheers,
> Rémi-C
>
>
> 2013/12/19 <islanis at infomed.sld.cu <mailto:islanis at infomed.sld.cu>>
>
>     "Rémi Cura" <remi.cura at gmail.com <mailto:remi.cura at gmail.com>>
>     escribió:
>
>
>         most likely you havn't !
>         I don't know your os so answering is difficult.
>
>     y have XP sp2, and 1Gb of ram, dual core 1.6ghz
>
>
>         If you have the size of fb free on list,
>         you can try a
>         VACUUM FULL ANALYZE
>
>         then try again =)
>         Other wise, you may have to do you computing piece by piece.
>
>     how can i do this
>
>
>         Cheers,
>         Rémi-C
>
>
>         2013/12/19 <islanis at infomed.sld.cu
>         <mailto:islanis at infomed.sld.cu>>
>
>             ok i execute this:
>             //------------------------------------
>             DROP TABLE IF EXISTS SPLITED;
>             CREATE TABLE SPLITED AS
>             SELECT ST_Split(b.the_geom,z.the_geom) AS the_geom
>             FROM public.mapa_base_141213 b, public.all_lines_merged z;
>             UPDATE SPLITED SET the_geom = ST_SetSRID(the_geom,4326);
>             SELECT Populate_Geometry_Columns('public.SPLITED'::regclass);
>             ALTER TABLE SPLITED ADD column gid serial;
>             ALTER TABLE SPLITED ADD COLUMN dato character varying;
>             ALTER TABLE SPLITED ADD PRIMARY KEY (gid);
>
>
>             DROP TABLE IF EXISTS collectionExtracted;
>             CREATE TABLE collectionExtracted AS
>             SELECT ST_CollectionExtract(b.the_geom,3) AS the_geom
>             FROM public.SPLITED b;
>             UPDATE SPLITED SET the_geom = ST_SetSRID(the_geom,4326);
>             SELECT
>             Populate_Geometry_Columns('public.collectionExtracted'::regclass);
>             ALTER TABLE collectionExtracted ADD column gid serial;
>             ALTER TABLE collectionExtracted ADD COLUMN dato character
>             varying;
>             ALTER TABLE collectionExtracted ADD PRIMARY KEY (gid);
>
>
>             DROP TABLE IF EXISTS dumped;
>             CREATE TABLE dumped AS
>             SELECT (ST_Dump(b.the_geom)).geom AS the_geom
>             FROM public.rad_solar_directa b;
>             UPDATE dumped SET the_geom = ST_SetSRID(the_geom,4326);
>             SELECT Populate_Geometry_Columns('public.dumped'::regclass);
>             ALTER TABLE dumped ADD column gid serial;
>             ALTER TABLE dumped ADD COLUMN dato character varying;
>             ALTER TABLE dumped ADD PRIMARY KEY (gid);
>             ///-------------------------------------------------------
>             and i get this error
>             //---------------------------------
>             ERROR:  no se pudo extender el archivo
>             «base/604204/609808.5»: No space
>             left on device
>             HINT:  Verifique el espacio libre en disco.
>
>             ********** Error **********
>
>             ERROR: no se pudo extender el archivo
>             «base/604204/609808.5»: No space
>             left on device
>             Estado SQL:53100
>             Sugerencias:Verifique el espacio libre en disco.
>
>             //--------------------------------------------------------
>             and i have 11,5Gb of free space what can i do to solve
>             this problem now.
>
>
>             --
>
>
>
>
>
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>
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>
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>
>     Infomed: http://www.sld.cu/
>
>



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