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coordinates_to_polygon should always return multipolygon to avoid inconsistencies

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This commit is contained in:
Juan Ignacio Sánchez Lara 2018-03-23 12:46:51 +01:00 committed by Mario de Frutos
parent 53e9ad4d2e
commit 2a47000f32
3 changed files with 3 additions and 3 deletions
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2
server/extension/sql/80_isolines_helper.sql
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@ -169,7 +169,7 @@ RETURNS SETOF cdb_dataservices_server.isoline AS $$
# -- TODO encapsulate this block into a func/method
locations = isolines[r] + [ isolines[r][0] ] # close the polygon repeating the first point
wkt_coordinates = ','.join(["%f %f" % (l.longitude, l.latitude) for l in locations])
sql = "SELECT ST_CollectionExtract(ST_MakeValid(ST_MPolyFromText('MULTIPOLYGON((({0})))', 4326)),3) as geom".format(wkt_coordinates)
sql = "SELECT st_multi(ST_CollectionExtract(ST_MakeValid(ST_MPolyFromText('MULTIPOLYGON((({0})))', 4326)),3)) as geom".format(wkt_coordinates)
multipolygon = plpy.execute(sql, 1)[0]['geom']
else:
multipolygon = None

2
server/lib/python/cartodb_services/cartodb_services/mapzen/types.py
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@ -28,7 +28,7 @@ def coordinates_to_polygon(coordinates):
wkt_coordinates = ','.join(result_coordinates)
try:
sql = "SELECT ST_CollectionExtract(ST_MakeValid(ST_MakePolygon(ST_GeomFromText('LINESTRING({0})', 4326))),3) as geom".format(wkt_coordinates)
sql = "SELECT st_multi(ST_CollectionExtract(ST_MakeValid(ST_MakePolygon(ST_GeomFromText('LINESTRING({0})', 4326))),3)) as geom".format(wkt_coordinates)
geometry = plpy.execute(sql, 1)[0]['geom']
except BaseException as e:
plpy.warning("Can't generate POLYGON from coordinates: {0}".format(e))

2
server/lib/python/cartodb_services/cartodb_services/tools/coordinates.py
View File

@ -55,7 +55,7 @@ def coordinates_to_polygon(coordinates):
wkt_coordinates = ','.join(result_coordinates)
try:
sql = "SELECT ST_CollectionExtract(ST_MakeValid(ST_MakePolygon(ST_GeomFromText('LINESTRING({0})', 4326))),3) as geom".format(wkt_coordinates)
sql = "SELECT st_multi(ST_CollectionExtract(ST_MakeValid(ST_MakePolygon(ST_GeomFromText('LINESTRING({0})', 4326))),3)) as geom".format(wkt_coordinates)
geometry = plpy.execute(sql, 1)[0]['geom']
except BaseException as e:
plpy.warning("Can't generate POLYGON from coordinates: {0}".format(e))