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Fix AVG computation in overview tables

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Fixes #232
Averages of averages are not equal to overall averages.
This commit is contained in:
Javier Goizueta
2016-04-15 10:48:08 +02:00
parent 9fdbfda60a
commit 176d69d09e
2 changed files with 17 additions and 3 deletions
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4
test/CDB_OverviewsTest_expect
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@@ -12,8 +12,8 @@ SELECT 1114
{_vovw_2_base_bare_t,_vovw_1_base_bare_t,_vovw_0_base_bare_t}
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number,int_number,name,start
AVG(number)::double precision AS number,AVG(int_number)::integer AS int_number,CASE count(*) WHEN 1 THEN MIN(name) ELSE NULL END::text AS name,CASE count(*) WHEN 1 THEN MIN(start) ELSE NULL END::date AS start
AVG(tab.number)::double precision AS number,AVG(tab.int_number)::integer AS int_number,CASE count(*) WHEN 1 THEN MIN(tab.name) ELSE NULL END::text AS name,CASE count(*) WHEN 1 THEN MIN(tab.start) ELSE NULL END::date AS start
SUM(number*1)/count(*)::double precision AS number,SUM(int_number*1)/count(*)::integer AS int_number,CASE count(*) WHEN 1 THEN MIN(name) ELSE NULL END::text AS name,CASE count(*) WHEN 1 THEN MIN(start) ELSE NULL END::date AS start
SUM(tab.number*1)/count(*)::double precision AS number,SUM(tab.int_number*1)/count(*)::integer AS int_number,CASE count(*) WHEN 1 THEN MIN(tab.name) ELSE NULL END::text AS name,CASE count(*) WHEN 1 THEN MIN(tab.start) ELSE NULL END::date AS start
{_vovw_2_base_t,_vovw_1_base_t,_vovw_0_base_t}
126