[postgis-devel] [PostGIS] #689: ST_CoveredBy LINESTRINGM/LINESTRING with POLYGON empty
PostGIS
trac at osgeo.org
Wed Dec 8 15:14:22 PST 2010
#689: ST_CoveredBy LINESTRINGM/LINESTRING with POLYGON empty
---------------------+------------------------------------------------------
Reporter: robe | Owner: pramsey
Type: defect | Status: new
Priority: medium | Milestone: PostGIS 2.0.0
Component: postgis | Version: trunk
Keywords: |
---------------------+------------------------------------------------------
Description changed by robe:
Old description:
> Paul -- let me know if you'd like me to stop and give you a chance to
> catch up.
>
> -- distilled query
>
> {{{
> SELECT ST_CoveredBy(ST_GeomFromText('POLYGON EMPTY'),
> ST_GeomFromText('LINESTRING(-10 50,50 -10)'));
> }}}
>
> -- full query
>
> {{{
>
> "SELECT ST_CoveredBy(foo1.the_geom, foo2.the_geom) As result,
> ST_AsText(foo1.the_geom) As ref1_geom, ST_AsText(foo2.the_geom) As
> ref2_geom
> FROM ((SELECT ST_GeomFromText('GEOMETRYCOLLECTION EMPTY',4326) As
> the_geom
> UNION ALL SELECT ST_GeomFromText('POLYGON
> EMPTY',4326) As the_geom
> UNION ALL SELECT ST_GeomFromText('POINT
> EMPTY',4326) As the_geom
> UNION ALL SELECT ST_GeomFromText('MULTIPOINT
> EMPTY',4326) As the_geom
> UNION ALL SELECT ST_GeomFromText('MULTIPOLYGON
> EMPTY',4326) As the_geom
> UNION ALL SELECT ST_GeomFromText('LINESTRING
> EMPTY',4326) As the_geom
> UNION ALL SELECT ST_GeomFromText('MULTILINESTRING
> EMPTY',4326) As the_geom ) ) As foo1 CROSS JOIN ((SELECT
> ST_MakeLine(ST_SetSRID(ST_MakePointM(i,j,m),4326),ST_SetSRID(ST_MakePointM(j,i,m),4326))
> As the_geom FROM generate_series(-10,50,10) As i CROSS JOIN
> generate_series(50,70, 20) As j CROSS JOIN generate_series(1,2) As m
> WHERE NOT(i = j) ORDER BY i, j, m, i*j*m)) As foo2;
> }}}
New description:
Paul -- let me know if you'd like me to stop and give you a chance to
catch up.
-- distilled query
{{{
SELECT ST_CoveredBy(ST_GeomFromText('POLYGON EMPTY'),
ST_GeomFromText('LINESTRING(-10 50,50 -10)'));
}}}
-- full query
{{{
SELECT ST_CoveredBy(foo1.the_geom, foo2.the_geom) As result,
ST_AsText(foo1.the_geom) As ref1_geom, ST_AsText(foo2.the_geom) As
ref2_geom
FROM ((SELECT ST_GeomFromText('GEOMETRYCOLLECTION EMPTY',4326) As
the_geom
UNION ALL SELECT ST_GeomFromText('POLYGON
EMPTY',4326) As the_geom
UNION ALL SELECT ST_GeomFromText('POINT
EMPTY',4326) As the_geom
UNION ALL SELECT ST_GeomFromText('MULTIPOINT
EMPTY',4326) As the_geom
UNION ALL SELECT ST_GeomFromText('MULTIPOLYGON
EMPTY',4326) As the_geom
UNION ALL SELECT ST_GeomFromText('LINESTRING
EMPTY',4326) As the_geom
UNION ALL SELECT ST_GeomFromText('MULTILINESTRING
EMPTY',4326) As the_geom ) ) As foo1 CROSS JOIN ((SELECT
ST_MakeLine(ST_SetSRID(ST_MakePointM(i,j,m),4326),ST_SetSRID(ST_MakePointM(j,i,m),4326))
As the_geom FROM generate_series(-10,50,10) As i CROSS JOIN
generate_series(50,70, 20) As j CROSS JOIN generate_series(1,2) As m WHERE
NOT(i = j) ORDER BY i, j, m, i*j*m)) As foo2 LIMIT 2;
}}}
--
--
Ticket URL: <http://trac.osgeo.org/postgis/ticket/689#comment:1>
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