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only do polygon operations when polygons passed in

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This commit is contained in:
John Krauss
2017-03-10 16:32:31 +00:00
parent c4f3c5d534
commit 765cbfcccc
1 changed files with 2 additions and 1 deletions
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3
src/pg/sql/41_observatory_augmentation.sql
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@@ -596,7 +596,7 @@ BEGIN
' Nullif(ST_Area(' || geom_tablename || '.' || geom_colname || '::Geography), 0)/1000000 ' ||
' AS area_' || geom_tablename
-- for numeric areas, include more complex calcs
ELSE
WHEN $2 != 'ST_Point' THEN
'CASE WHEN ST_Within(_geoms.geom, ' || geom_tablename || '.' || geom_colname || ') ' ||
' THEN ST_Area(_geoms.geom) / Nullif(ST_Area(' || geom_tablename || '.' || geom_colname || '), 0)' ||
' WHEN ST_Within(' || geom_tablename || '.' || geom_colname || ', _geoms.geom) ' ||
@@ -605,6 +605,7 @@ BEGIN
geom_tablename || '.' || geom_colname || ')) / ' ||
'Nullif(ST_Area(' || geom_tablename || '.' || geom_colname || '), 0) ' ||
'END pct_' || geom_tablename
ELSE NULL
END
ELSE NULL END
, ', ') AS geom_colspecs,