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fix divide-by-zero condition with obs_getmeasure(area) using denominator

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John Krauss
2016-12-08 02:32:03 +00:00
parent 1a2e1dd8c9
commit 7373794c30
1 changed files with 2 additions and 2 deletions
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4
src/pg/sql/41_observatory_augmentation.sql
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@@ -493,10 +493,10 @@ BEGIN
FROM observatory.%I denom
WHERE denom.%I = ANY ((SELECT ARRAY_AGG(geom_ref) FROM _geom)::TEXT[]))
SELECT SUM(numer.%I * (SELECT _geom.overlap FROM _geom WHERE _geom.geom_ref = numer.%I)) /
SUM((SELECT _denom.%I * (SELECT _geom.overlap
NullIf(SUM((SELECT _denom.%I * (SELECT _geom.overlap
FROM _geom
WHERE _geom.geom_ref = _denom.geom_ref)
FROM _denom WHERE _denom.geom_ref = numer.%I))
FROM _denom WHERE _denom.geom_ref = numer.%I)), 0)
FROM observatory.%I numer
WHERE numer.%I = ANY ((SELECT ARRAY_AGG(geom_ref) FROM _geom)::TEXT[])',
geom_colname, geom_colname, geom_geomref_colname,