diff --git a/test/CDB_OverviewsTest.sql b/test/CDB_OverviewsTest.sql
index 670dfe8..77e9a3e 100644
--- a/test/CDB_OverviewsTest.sql
+++ b/test/CDB_OverviewsTest.sql
@@ -23,11 +23,14 @@ SELECT CDB_CreateOverviews('polyg_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;
diff --git a/test/overviews/fixtures.sql b/test/overviews/fixtures.sql
index 3dc1679..7e08d94 100644
--- a/test/overviews/fixtures.sql
+++ b/test/overviews/fixtures.sql
@@ -2240,3 +2240,8 @@ 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 (cartodb_id integer, the_geom geometry, the_geom_webmercator geometry, odd boolean)
+AS SELECT cartodb_id, the_geom, the_geom_webmercator,
+          (CASE cartodb_id % 2 WHEN 0 THEN 'f' ELSE 't' END)::boolean
+   FROM base_bare_t;