adding not null filter for geom on kmeans

2016-06-10 13:12:55 +00:00 · 2016-06-10 13:12:55 +00:00 · 9d3de5a8ef
commit 9d3de5a8ef
parent 7f3b23f67a
1 changed files with 1 additions and 0 deletions
--- a/src/py/crankshaft/crankshaft/clustering/kmeans.py
+++ b/src/py/crankshaft/crankshaft/clustering/kmeans.py
@ -5,6 +5,7 @@ def kmeans(query, no_clusters, no_init=20):
    data = plpy.execute('''select array_agg(cartodb_id order by cartodb_id) as ids,
        array_agg(ST_X(the_geom) order by cartodb_id) xs,
        array_agg(ST_Y(the_geom) order by cartodb_id) ys from ({query}) a
+        where the_geom is not null
    '''.format(query=query))

    xs  = data[0]['xs']