return numeric instead of json for obs_getmeasure and obs_getuscensusmeasure

src/pg/sql/41_observatory_augmentation.sql

@@ -408,7 +408,7 @@ CREATE OR REPLACE FUNCTION cdb_observatory.OBS_GetMeasure(
   boundary_id TEXT DEFAULT NULL,
   time_span TEXT DEFAULT NULL
 )
-RETURNS JSON
+RETURNS NUMERIC
 AS $$
 DECLARE
   names TEXT[];
@@ -448,10 +448,9 @@ BEGIN
   USING geom, measure_ids, time_span, boundary_id;
 
   IF normalize ILIKE 'denominator' THEN
-    RETURN json_build_object('name', format('%I over %I', names[1], names[2]),
-      'value', vals[1]/ vals[2]);
+    RETURN (vals)[1]/(vals)[2];
   ELSE
-    RETURN json_build_object('name', (names)[1], 'value', (vals)[1]);
+    RETURN (vals)[1];
   END IF;
 
 END;
@@ -464,7 +463,7 @@ CREATE OR REPLACE FUNCTION cdb_observatory.OBS_GetUSCensusMeasure(
    boundary_id TEXT DEFAULT NULL,
    time_span TEXT DEFAULT NULL
  )
-RETURNS JSON AS $$
+RETURNS NUMERIC AS $$
 DECLARE
   standardized_name text;
   measure_id text;

src/pg/test/expected/41_observatory_augmentation_test.out

@@ -95,24 +95,24 @@ Done.
  {X10} | 
 (1 row)
 
-                   obs_getmeasure                   
-----------------------------------------------------
- {"name" : "total_pop", "value" : 9516.27915900609}
+  obs_getmeasure  
+------------------
+ 9516.27915900609
 (1 row)
 
-             obs_getmeasure             
-----------------------------------------
- {"name" : "total_pop", "value" : 1655}
+ obs_getmeasure 
+----------------
+           1655
 (1 row)
 
-                             obs_getmeasure                             
-------------------------------------------------------------------------
- {"name" : "male_pop over total_pop", "value" : 0.64652567975830779836}
+     obs_getmeasure     
+------------------------
+ 0.64652567975830779836
 (1 row)
 
-                             obs_getmeasure                             
-------------------------------------------------------------------------
- {"name" : "male_pop over total_pop", "value" : 0.64652567975830815710}
+     obs_getmeasure     
+------------------------
+ 0.64652567975830815710
 (1 row)
 
  obs_getpopulation 
@@ -125,14 +125,14 @@ Done.
               1655
 (1 row)
 
-              obs_getuscensusmeasure               
----------------------------------------------------
- {"name" : "male_pop", "value" : 6152.51885204623}
+ obs_getuscensusmeasure 
+------------------------
+       6152.51885204623
 (1 row)
 
-        obs_getuscensusmeasure         
----------------------------------------
- {"name" : "male_pop", "value" : 1070}
+ obs_getuscensusmeasure 
+------------------------
+                   1070
 (1 row)
 
 Dropping obs_table.sql fixture table...