cartodb4/cartodb-postgresql
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #214 from CartoDB/211-boolean-col-overviews

Browse Source 
Support boolean columns when creating overviews
This commit is contained in:
Javier Goizueta 2016-03-29 12:50:57 +02:00
commit 217ff4ffb9
4 changed files with 24 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
scripts-available/CDB_Overviews.sql
View File

@ -486,6 +486,8 @@ BEGIN
-- Using 'string_agg(' || qualified_column || ',''/'')'
-- here causes
RETURN 'CASE count(*) WHEN 1 THEN MIN(' || qualified_column || ') ELSE NULL END::' || column_type;
WHEN 'boolean' THEN
RETURN 'CASE count(*) WHEN 1 THEN BOOL_AND(' || qualified_column || ') ELSE NULL END::' || column_type;
ELSE
RETURN 'CASE count(*) WHEN 1 THEN MIN(' || qualified_column || ') ELSE NULL END::' || column_type;
END CASE;

5
test/CDB_OverviewsTest.sql
View File

@ -20,14 +20,19 @@ SELECT count(*) FROM _vovw_5_base_t;
SELECT CDB_CreateOverviews('polyg_t'::regclass);
SELECT CDB_CreateOverviews('column_types_t'::regclass);
SELECT CDB_Overviews('base_t'::regclass);
SELECT CDB_Overviews(ARRAY['base_t'::regclass, 'base_bare_t'::regclass]);
SELECT CDB_Overviews('polyg_t'::regclass);
SELECT CDB_Overviews('column_types_t'::regclass);
SELECT CDB_DropOverviews('column_types_t'::regclass);
SELECT CDB_DropOverviews('base_bare_t'::regclass);
SELECT CDB_DropOverviews('base_t'::regclass);
SELECT count(*) FROM _vovw_5_base_t;
DROP TABLE column_types_t;
DROP TABLE base_bare_t;
DROP TABLE base_t;
DROP TABLE polyg_t;

10
test/CDB_OverviewsTest_expect
View File

@ -5,6 +5,7 @@ CREATE TABLE
INSERT 0 1114
CREATE TABLE
INSERT 0 5
SELECT 1114
@ -16,6 +17,7 @@ AVG(tab.number)::double precision AS number,AVG(tab.int_number)::integer AS int_
{_vovw_5_base_t,_vovw_4_base_t,_vovw_3_base_t,_vovw_2_base_t,_vovw_1_base_t,_vovw_0_base_t}
125
{_vovw_5_column_types_t,_vovw_4_column_types_t,_vovw_3_column_types_t,_vovw_2_column_types_t,_vovw_1_column_types_t,_vovw_0_column_types_t}
(base_t,0,_vovw_0_base_t)
(base_t,1,_vovw_1_base_t)
(base_t,2,_vovw_2_base_t)
@ -34,6 +36,13 @@ AVG(tab.number)::double precision AS number,AVG(tab.int_number)::integer AS int_
(base_t,3,_vovw_3_base_t)
(base_t,4,_vovw_4_base_t)
(base_t,5,_vovw_5_base_t)
(column_types_t,0,_vovw_0_column_types_t)
(column_types_t,1,_vovw_1_column_types_t)
(column_types_t,2,_vovw_2_column_types_t)
(column_types_t,3,_vovw_3_column_types_t)
(column_types_t,4,_vovw_4_column_types_t)
(column_types_t,5,_vovw_5_column_types_t)
ERROR: relation "_vovw_5_base_t" does not exist
@ -42,3 +51,4 @@ LINE 1: SELECT count(*) FROM _vovw_5_base_t;
DROP TABLE
DROP TABLE
DROP TABLE
DROP TABLE

7
test/overviews/fixtures.sql
View File

@ -2240,3 +2240,10 @@ INSERT INTO polyg_t VALUES
(3, 'C', 'SRID=4326;POLYGON((9 40,8 39,8.5 40,9 41,9 40))'::geometry, ST_Transform('SRID=4326;POLYGON((9 40,8 39,8.5 40,9 41,9 40))'::geometry, 3857)),
(4, 'D', 'SRID=4326;POLYGON((9 40,8 39,8.5 40,9 41,9 40))'::geometry, ST_Transform('SRID=4326;POLYGON((9 40,8 39,8.5 40,9 41,9 40))'::geometry, 3857)),
(5, 'E', 'SRID=4326;POLYGON((9 40,8 39,8.5 40,9 41,9 40))'::geometry, ST_Transform('SRID=4326;POLYGON((9 40,8 39,8.5 40,9 41,9 40))'::geometry, 3857));
CREATE TABLE column_types_t
AS SELECT cartodb_id,
the_geom,
the_geom_webmercator,
(CASE cartodb_id % 2 WHEN 0 THEN 'f' ELSE 't' END)::boolean AS is_odd
FROM base_bare_t;