Fixed observatory utility tests after merge

src/pg/test/expected/40_observatory_utility_test.out

@@ -46,13 +46,19 @@ SELECT
  
 (1 row)
 
+-- future test: give back nulls when geometry doesn't intersect
+-- SELECT
+--   cdb_observatory.OBS_GeomTable(
+--     CDB_LatLng(0,0), -- should give back null since it's in the ocean?
+--     '"us.census.tiger".census_tract'
+--   );
 -- OBS_GetColumnData
 -- should give back:
 --  colname   | tablename       | aggregate
 -- -----------|-----------------|-----------
 --  geoid     | obs_{hex table} | null
 --  total_pop | obs_{hex table} | sum
-SELECT 
+SELECT
   (unnest(cdb_observatory.OBS_GetColumnData(
     '"us.census.tiger".census_tract',
     Array['"us.census.tiger".census_tract_geoid', '"us.census.acs".B01001001'],
@@ -68,9 +74,21 @@ ORDER BY colname, tablename ASC;
  total_pop | obs_ab038198aaab3f3cb055758638ee4de28ad70146 | sum
 (5 rows)
 
+-- should be null-valued
+SELECT
+  (unnest(cdb_observatory.OBS_GetColumnData(
+    '"us.census.tiger".census_tract',
+    Array['"us.census.tiger".baloney'], -- entry not in catalog
+    '2009 - 2013'
+  ))).*
+ORDER BY 1 ASC;
+ colname | tablename | aggregate 
+---------+-----------+-----------
+(0 rows)
+
 -- OBS_LookupCensusHuman
 -- should give back: {"\"us.census.acs\".B19083001"}
-SELECT 
+SELECT
   cdb_observatory.OBS_LookupCensusHuman(
     Array['gini_index']
   );
@@ -79,6 +97,11 @@ SELECT
  {"\"us.census.acs\".B19083001"}
 (1 row)
 
+-- should be empty array
+SELECT
+  cdb_observatory.OBS_LookupCensusHuman(
+    Array['cookies']
+  );
  obs_lookupcensushuman 
 -----------------------
  
@@ -86,7 +109,7 @@ SELECT
 
 -- OBS_BuildSnapshotQuery
 -- Should give back: SELECT  vals[1] As total_pop, vals[2] As male_pop, vals[3] As female_pop, vals[4] As median_age
-SELECT 
+SELECT
   cdb_observatory.OBS_BuildSnapshotQuery(
     Array['total_pop','male_pop','female_pop','median_age']
   );
@@ -95,6 +118,11 @@ SELECT
  SELECT  vals[1] As total_pop, vals[2] As male_pop, vals[3] As female_pop, vals[4] As median_age
 (1 row)
 
+-- should give back: SELECT  vals[1] As mandarin_orange
+SELECT
+  cdb_observatory.OBS_BuildSnapshotQuery(
+    Array['mandarin_orange']
+  );
        obs_buildsnapshotquery       
 ------------------------------------
  SELECT  vals[1] As mandarin_orange