diff --git a/.travis.yml b/.travis.yml
index f448081..729d84f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,26 +8,28 @@ env:
     - PGDATABASE=postgres
     - PGOPTIONS='-c client_min_messages=NOTICE'
     - PGPORT=5432
-    - POSTGIS_VERSION="2.5"
 
-  matrix:
-    - POSTGRESQL_VERSION="9.6"
-    - POSTGRESQL_VERSION="10"
-    - POSTGRESQL_VERSION="11"
+jobs:
+  include:
+    - env: POSTGRESQL_VERSION="9.6" POSTGIS_VERSION="2.5"
+    - env: POSTGRESQL_VERSION="10" POSTGIS_VERSION="2.5"
+    - env: POSTGRESQL_VERSION="11" POSTGIS_VERSION="2.5"
+    - env: POSTGRESQL_VERSION="12" POSTGIS_VERSION="2.5"
+    - env: POSTGRESQL_VERSION="12" POSTGIS_VERSION="3"
+  
 
-
-before_install:
+script:
   - sudo service postgresql stop;
   - sudo apt-get remove postgresql* -y
   - sudo apt-get install -y --allow-unauthenticated --no-install-recommends --no-install-suggests postgresql-$POSTGRESQL_VERSION postgresql-client-$POSTGRESQL_VERSION postgresql-server-dev-$POSTGRESQL_VERSION postgresql-common
   - if [[ $POSTGRESQL_VERSION == '9.6' ]]; then sudo apt-get install -y postgresql-contrib-9.6; fi;
-  - sudo apt-get install -y --allow-unauthenticated postgresql-$POSTGRESQL_VERSION-postgis-$POSTGIS_VERSION postgresql-$POSTGRESQL_VERSION-postgis-$POSTGIS_VERSION-scripts postgis postgresql-plpython-$POSTGRESQL_VERSION
+  - sudo apt-get install -y --allow-unauthenticated postgresql-$POSTGRESQL_VERSION-postgis-$POSTGIS_VERSION postgresql-$POSTGRESQL_VERSION-postgis-$POSTGIS_VERSION-scripts postgis
+  # For pre12, install plpython2. For PG12 install plpython3
+  - if [[ $POSTGRESQL_VERSION != '12' ]]; then sudo apt-get install -y postgresql-plpython-$POSTGRESQL_VERSION python python-redis; else sudo apt-get install -y postgresql-plpython3-12 python3 python3-redis; fi;
   - sudo pg_dropcluster --stop $POSTGRESQL_VERSION main
   - sudo rm -rf /etc/postgresql/$POSTGRESQL_VERSION /var/lib/postgresql/$POSTGRESQL_VERSION
   - sudo pg_createcluster -u postgres $POSTGRESQL_VERSION main -- --auth-local trust --auth-host password
   - sudo /etc/init.d/postgresql start $POSTGRESQL_VERSION || sudo journalctl -xe
-  - sudo pip install redis==2.4.9
-script:
   - make
   - sudo make install
   - make installcheck
diff --git a/Makefile b/Makefile
index f59fa62..db588aa 100644
--- a/Makefile
+++ b/Makefile
@@ -134,12 +134,18 @@ PGXS := $(shell $(PG_CONFIG) --pgxs)
 include $(PGXS)
 
 PG_VERSION := $(shell $(PG_CONFIG) --version | $(AWK) '{split($$2,a,"."); print a[1]}')
+PG_12_GE := $(shell [ $(PG_VERSION) -ge 12 ] && echo true)
+PLPYTHONU := plpythonu
+ifeq ($(PG_12_GE), true)
+PLPYTHONU := plpython3u
+endif
 
 $(EXTENSION)--$(EXTVERSION).sql: $(CDBSCRIPTS) cartodb_version.sql Makefile
 	echo '\echo Use "CREATE EXTENSION $(EXTENSION)" to load this file. \quit' > $@
 	cat $(CDBSCRIPTS) | \
 	$(SED) 	-e 's/@extschema@/cartodb/g' \
-		-e "s/@postgisschema@/public/g" >> $@
+		-e 's/@postgisschema@/public/g' \
+		-e 's/plpythonu/$(PLPYTHONU)/g' >> $@
 	echo "GRANT USAGE ON SCHEMA cartodb TO public;" >> $@
 	cat cartodb_version.sql >> $@
 
@@ -153,10 +159,10 @@ $(EXTENSION)--$(EXTVERSION)--$(EXTVERSION)next.sql: $(EXTENSION)--$(EXTVERSION).
 	cp $< $@
 
 $(EXTENSION).control: $(EXTENSION).control.in Makefile
-	$(SED) -e 's/@@VERSION@@/$(EXTVERSION)/' $< > $@
+	$(SED) -e 's/@@VERSION@@/$(EXTVERSION)/g' -e 's/plpythonu/$(PLPYTHONU)/g' $< > $@
 
 cartodb_version.sql: cartodb_version.sql.in Makefile $(GITDIR)/index
-	$(SED) -e 's/@@VERSION@@/$(EXTVERSION)/' -e 's/@extschema@/cartodb/g' -e "s/@postgisschema@/public/g" $< > $@
+	$(SED) -e 's/@@VERSION@@/$(EXTVERSION)/' -e 's/@extschema@/cartodb/g' -e "s/@postgisschema@/public/g" -e 's/plpythonu/$(PLPYTHONU)/g' $< > $@
 
 # Needed for consistent `echo` results with backslashes
 SHELL = bash
@@ -176,11 +182,7 @@ legacy_regress: $(REGRESS_OLD) Makefile
 			$(SED) -e 's/@@VERSION@@/$(EXTVERSION)/' -e 's/@extschema@/cartodb/g' -e "s/@postgisschema@/public/g" >> $${of}; \
 		exp=expected/test/$${tn}.out; \
 		echo '\set ECHO none' > $${exp}; \
-		if [[ -f "test/$${tn}_expect.pg$(PG_VERSION)" ]]; then \
-			cat test/$${tn}_expect.pg$(PG_VERSION) >> $${exp}; \
-		else \
-			cat test/$${tn}_expect >> $${exp}; \
-		fi \
+		cat test/$${tn}_expect >> $${exp}; \
 	done
 
 test_organization:
diff --git a/NEWS.md b/NEWS.md
index 0ebb16e..2ccee9e 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,8 @@
+0.32.0 (XXXX-XX-XX)
+* Some fixes for PG12.
+* Make PG12 depend on plpython3u instead of plpythonu
+* CDB_UserDataSize is now compatible with postgis 3 without postgis_raster.
+
 0.31.0 (2019-10-08)
 * Ghost tables: Add missing tags (#370)
 * Set search_path in security definer functions.
diff --git a/README.md b/README.md
index a871807..b4a7b8b 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ See [the cartodb-postgresql wiki](https://github.com/CartoDB/cartodb-postgresql/
 Dependencies
 ------------
 
- * PostgreSQL 9.6+ (with plpythonu extension and xml support)
+ * PostgreSQL 9.6+ (with plpythonu extension and xml support). For PostgreSQL 12+ plpython3u is required instead of plpythonu.
  * [PostGIS extension](http://postgis.net)
  * Python with [Redis module](https://pypi.org/project/redis/)
 
diff --git a/expected/test_setup.out b/expected/test_setup.out
index cb4d895..6cea6c0 100644
--- a/expected/test_setup.out
+++ b/expected/test_setup.out
@@ -1,6 +1,5 @@
-CREATE EXTENSION postgis;
-CREATE EXTENSION plpythonu;
-CREATE EXTENSION cartodb;
+SET client_min_messages TO error;
+CREATE EXTENSION cartodb CASCADE;
 CREATE FUNCTION public.cdb_invalidate_varnish(table_name text)
 RETURNS void AS $$
 BEGIN
diff --git a/scripts-available/CDB_Groups_API.sql b/scripts-available/CDB_Groups_API.sql
index eda868a..660d4e8 100644
--- a/scripts-available/CDB_Groups_API.sql
+++ b/scripts-available/CDB_Groups_API.sql
@@ -33,9 +33,12 @@ FUNCTION @extschema@._CDB_Group_DropGroup_API(group_name text)
     RETURNS VOID AS
 $$
     import string
-    import urllib
+    try:
+        from urllib import pathname2url
+    except:
+        from urllib.request import pathname2url
 
-    url = '/api/v1/databases/{0}/groups/%s' % (urllib.pathname2url(group_name))
+    url = '/api/v1/databases/{0}/groups/%s' % (pathname2url(group_name))
 
     query = "select @extschema@._CDB_Group_API_Request('DELETE', '%s', '', '{204, 404}') as response_status" % url
     plpy.execute(query)
@@ -50,9 +53,12 @@ FUNCTION @extschema@._CDB_Group_RenameGroup_API(old_group_name text, new_group_n
     RETURNS VOID AS
 $$
     import string
-    import urllib
+    try:
+        from urllib import pathname2url
+    except:
+        from urllib.request import pathname2url
 
-    url = '/api/v1/databases/{0}/groups/%s' % (urllib.pathname2url(old_group_name))
+    url = '/api/v1/databases/{0}/groups/%s' % (pathname2url(old_group_name))
     body = '{ "name": "%s", "database_role": "%s" }' % (new_group_name, new_group_role)
     query = "select @extschema@._CDB_Group_API_Request('PUT', '%s', '%s', '{200, 409}') as response_status" % (url, body)
     plpy.execute(query)
@@ -67,9 +73,12 @@ FUNCTION @extschema@._CDB_Group_AddUsers_API(group_name text, usernames text[])
     RETURNS VOID AS
 $$
     import string
-    import urllib
+    try:
+        from urllib import pathname2url
+    except:
+        from urllib.request import pathname2url
 
-    url = '/api/v1/databases/{0}/groups/%s/users' % (urllib.pathname2url(group_name))
+    url = '/api/v1/databases/{0}/groups/%s/users' % (pathname2url(group_name))
     body = "{ \"users\": [\"%s\"] }" % "\",\"".join(usernames)
     query = "select @extschema@._CDB_Group_API_Request('POST', '%s', '%s', '{200, 409}') as response_status" % (url, body)
     plpy.execute(query)
@@ -84,9 +93,12 @@ FUNCTION @extschema@._CDB_Group_RemoveUsers_API(group_name text, usernames text[
     RETURNS VOID AS
 $$
     import string
-    import urllib
+    try:
+        from urllib import pathname2url
+    except:
+        from urllib.request import pathname2url
 
-    url = '/api/v1/databases/{0}/groups/%s/users' % (urllib.pathname2url(group_name))
+    url = '/api/v1/databases/{0}/groups/%s/users' % (pathname2url(group_name))
     body = "{ \"users\": [\"%s\"] }" % "\",\"".join(usernames)
     query = "select @extschema@._CDB_Group_API_Request('DELETE', '%s', '%s', '{200, 404}') as response_status" % (url, body)
     plpy.execute(query)
@@ -109,9 +121,12 @@ FUNCTION @extschema@._CDB_Group_Table_GrantPermission_API(group_name text, usern
     RETURNS VOID AS
 $$
     import string
-    import urllib
+    try:
+        from urllib import pathname2url
+    except:
+        from urllib.request import pathname2url
 
-    url = '/api/v1/databases/{0}/groups/%s/permission/%s/tables/%s' % (urllib.pathname2url(group_name), username, table_name)
+    url = '/api/v1/databases/{0}/groups/%s/permission/%s/tables/%s' % (pathname2url(group_name), username, table_name)
     body = '{ "access": "%s" }' % access
     query = "select @extschema@._CDB_Group_API_Request('PUT', '%s', '%s', '{200, 409}') as response_status" % (url, body)
     plpy.execute(query)
@@ -134,9 +149,12 @@ FUNCTION @extschema@._CDB_Group_Table_RevokeAllPermission_API(group_name text, u
     RETURNS VOID AS
 $$
     import string
-    import urllib
+    try:
+        from urllib import pathname2url
+    except:
+        from urllib.request import pathname2url
 
-    url = '/api/v1/databases/{0}/groups/%s/permission/%s/tables/%s' % (urllib.pathname2url(group_name), username, table_name)
+    url = '/api/v1/databases/{0}/groups/%s/permission/%s/tables/%s' % (pathname2url(group_name), username, table_name)
     query = "select @extschema@._CDB_Group_API_Request('DELETE', '%s', '', '{200, 404}') as response_status" % url
     plpy.execute(query)
 $$  LANGUAGE 'plpythonu'
@@ -189,7 +207,10 @@ CREATE OR REPLACE
 FUNCTION @extschema@._CDB_Group_API_Request(method text, url text, body text, valid_return_codes int[])
     RETURNS int AS
 $$
-    import httplib
+    try:
+        import httplib as client
+    except:
+        from http import client
 
     params = plpy.execute("select c.host, c.port, c.timeout, c.auth from @extschema@._CDB_Group_API_Conf() c;")[0]
     if params['host'] is None:
@@ -202,17 +223,17 @@ $$
     last_err = None
     while retry > 0:
       try:
-        client = SD['groups_api_client'] = httplib.HTTPConnection(params['host'], params['port'], False, params['timeout'])
+        conn = SD['groups_api_client'] = client.HTTPConnection(params['host'], params['port'], False, params['timeout'])
         database_name = plpy.execute("select current_database();")[0]['current_database']
-        client.request(method, url.format(database_name), body, headers)
-        response = client.getresponse()
+        conn.request(method, url.format(database_name), body, headers)
+        response = conn.getresponse()
         assert response.status in valid_return_codes
         return response.status
       except Exception as err:
         retry -= 1
         last_err = err
         plpy.warning('Retrying after: ' + str(err))
-        client = SD['groups_api_client'] = None
+        conn = SD['groups_api_client'] = None
 
     if last_err is not None:
       plpy.error('Fatal Group API error: ' + str(last_err))
diff --git a/scripts-available/CDB_Overviews.sql b/scripts-available/CDB_Overviews.sql
index ec4d307..c73d873 100644
--- a/scripts-available/CDB_Overviews.sql
+++ b/scripts-available/CDB_Overviews.sql
@@ -397,7 +397,7 @@ DECLARE
   attr_list TEXT;
 BEGIN
   SELECT string_agg(s.c, ',') FROM (
-    SELECT * FROM @extschema@._CDB_Aggregable_Attributes(reloid) c
+    SELECT @extschema@._CDB_Aggregable_Attributes(reloid)::text c
   ) AS s INTO attr_list;
 
   RETURN attr_list;
@@ -554,7 +554,7 @@ DECLARE
 BEGIN
   SELECT string_agg(@extschema@._CDB_Attribute_Aggregation_Expression(reloid, s.c, table_alias) || Format(' AS %s', s.c), ',')
   FROM (
-    SELECT * FROM @extschema@._CDB_Aggregable_Attributes(reloid) c
+    SELECT @extschema@._CDB_Aggregable_Attributes(reloid)::text c
   ) AS s INTO attr_list;
 
   RETURN attr_list;
@@ -662,7 +662,7 @@ AS $$
       offset_y := Format('%2$s/2 - MOD((%1$s)::numeric, (%2$s)::numeric)::float8', cell_y, pixel_m);
     END IF;
 
-    point_geom := Format('ST_SetSRID(ST_MakePoint(%1$s + %3$s, %2$s + %4$s), 3857)', cell_x, cell_y, offset_x, offset_y);
+    point_geom := Format('@postgisschema@.ST_SetSRID(@postgisschema@.ST_MakePoint(%1$s + %3$s, %2$s + %4$s), 3857)', cell_x, cell_y, offset_x, offset_y);
 
     -- compute the resulting columns in the same order as in the base table
     WITH cols AS (
@@ -673,7 +673,7 @@ AS $$
           Format('@postgisschema@.ST_Transform(%s, 4326) AS the_geom', point_geom)
         WHEN 'the_geom_webmercator' THEN
            Format('%s AS the_geom_webmercator', point_geom)
-        ELSE c
+        ELSE c::text
         END AS column
         FROM @extschema@.CDB_ColumnNames(reloid) c
     )
@@ -800,7 +800,7 @@ AS $$
           '@postgisschema@.ST_Transform(@postgisschema@.ST_SetSRID(@postgisschema@.ST_MakePoint(_sum_of_x/n, _sum_of_y/n), 3857), 4326) AS the_geom'
         WHEN 'the_geom_webmercator' THEN
           '@postgisschema@.ST_SetSRID(@postgisschema@.ST_MakePoint(_sum_of_x/n, _sum_of_y/n), 3857) AS the_geom_webmercator'
-        ELSE c
+        ELSE c::text
         END AS column
         FROM CDB_ColumnNames(reloid) c
     )
@@ -924,7 +924,7 @@ AS $$
       SELECT
         CASE c
         WHEN 'cartodb_id' THEN 'cartodb_id'
-        ELSE c
+        ELSE c::text
         END AS column
         FROM @extschema@.CDB_ColumnNames(reloid) c
     )
diff --git a/scripts-available/CDB_Quota.sql b/scripts-available/CDB_Quota.sql
index d3dc983..96b41f2 100644
--- a/scripts-available/CDB_Quota.sql
+++ b/scripts-available/CDB_Quota.sql
@@ -20,33 +20,50 @@ RETURNS bigint AS
 $$
 DECLARE
   total_size INT8;
+  raster_available BOOLEAN;
+  raster_read_query TEXT;
 BEGIN
+  -- Postgis 3+ might not install raster
+  raster_available := EXISTS (
+        SELECT 1
+        FROM   pg_views
+        WHERE  schemaname = '@postgisschema@'
+        AND    viewname = 'raster_overviews'
+   );
+
+   IF raster_available THEN
+       raster_read_query := Format('SELECT o_table_name, r_table_name FROM @postgisschema@.raster_overviews
+                        WHERE o_table_schema = ''%I'' AND o_table_catalog = current_database()', schema_name);
+   ELSE
+       raster_read_query := 'SELECT NULL::text AS o_table_name, NULL::text AS r_table_name';
+   END IF;
+   EXECUTE Format('
   WITH raster_tables AS (
-    SELECT o_table_name, r_table_name FROM raster_overviews
-      WHERE o_table_schema = schema_name AND o_table_catalog = current_database()
+    %s
   ),
   user_tables AS (
-    SELECT table_name FROM @extschema@._CDB_NonAnalysisTablesInSchema(schema_name)
+    SELECT table_name FROM @extschema@._CDB_NonAnalysisTablesInSchema(''%I'')
   ),
   table_cat AS (
     SELECT
       table_name,
       (
         EXISTS(select * from raster_tables where o_table_name = table_name)
-        OR table_name SIMILAR TO @extschema@._CDB_OverviewTableDiscriminator() || '[\w\d]*'
+        OR table_name SIMILAR TO @extschema@._CDB_OverviewTableDiscriminator() || ''[\w\d]*''
       ) AS is_overview,
       EXISTS(SELECT * FROM raster_tables WHERE r_table_name = table_name) AS is_raster
     FROM user_tables
   ),
   sizes AS (
-    SELECT COALESCE(INT8(SUM(@extschema@._CDB_total_relation_size(schema_name, table_name)))) table_size,
+    SELECT COALESCE(INT8(SUM(@extschema@._CDB_total_relation_size(''%I'', table_name)))) table_size,
       CASE
         WHEN is_overview THEN 0
 	WHEN is_raster THEN 1
 	ELSE 0.5 -- Division by 2 is for not counting the_geom_webmercator
       END AS multiplier FROM table_cat GROUP BY is_overview, is_raster
   )
-  SELECT sum(table_size*multiplier)::int8 INTO total_size FROM sizes;
+  SELECT sum(table_size*multiplier)::int8 FROM sizes
+  ', raster_read_query, schema_name, schema_name) INTO total_size;
 
   IF total_size IS NOT NULL THEN
     RETURN total_size;
diff --git a/sql/test_setup.sql b/sql/test_setup.sql
index cb4d895..6cea6c0 100644
--- a/sql/test_setup.sql
+++ b/sql/test_setup.sql
@@ -1,6 +1,5 @@
-CREATE EXTENSION postgis;
-CREATE EXTENSION plpythonu;
-CREATE EXTENSION cartodb;
+SET client_min_messages TO error;
+CREATE EXTENSION cartodb CASCADE;
 CREATE FUNCTION public.cdb_invalidate_varnish(table_name text)
 RETURNS void AS $$
 BEGIN
diff --git a/test/CDB_GhostTables_expect b/test/CDB_GhostTables_expect
index 01156f7..469edeb 100644
--- a/test/CDB_GhostTables_expect
+++ b/test/CDB_GhostTables_expect
@@ -4,7 +4,7 @@ WARNING:  Invalidation service configuration not found. Skipping Ghost Tables li
 NOTICE:  _CDB_LinkGhostTables() called with username=fulanito, event_name=USER
 
 
-WARNING:  Error calling Invalidation Service to link Ghost Tables: Error -2 connecting fake-tis-host:3142. Name or service not known.
+WARNING:  Error calling Invalidation Service to link Ghost Tables: Error -2 connecting to fake-tis-host:3142. Name or service not known.
 NOTICE:  _CDB_LinkGhostTables() called with username=fulanito, event_name=USER
 
 BEGIN
@@ -12,7 +12,7 @@ cdb_ddl_execution
 0
 CREATE TABLE
 1
-WARNING:  Error calling Invalidation Service to link Ghost Tables: Error -2 connecting fake-tis-host:3142. Name or service not known.
+WARNING:  Error calling Invalidation Service to link Ghost Tables: Error -2 connecting to fake-tis-host:3142. Name or service not known.
 NOTICE:  _CDB_LinkGhostTables() called with username=fulanito, event_name=CREATE TABLE
 COMMIT
 
diff --git a/test/CDB_OAuth.sql b/test/CDB_OAuth.sql
index c3c14e6..3a32b3b 100644
--- a/test/CDB_OAuth.sql
+++ b/test/CDB_OAuth.sql
@@ -1,6 +1,23 @@
 -- Create user and enable OAuth event trigger
 \set QUIET on
 SET client_min_messages TO error;
+
+-- The permission error changed between pre PG11 and post 11 (before everythin "relation", now it's "view", "table" and so on
+CREATE OR REPLACE FUNCTION catch_permission_error(query text)
+RETURNS bool
+AS $$
+BEGIN
+    EXECUTE query;
+    RETURN FALSE;
+EXCEPTION
+    WHEN insufficient_privilege THEN
+        RETURN TRUE;
+    WHEN OTHERS THEN
+        RAISE WARNING 'Exception %', sqlstate;
+        RETURN FALSE;
+END
+$$ LANGUAGE 'plpgsql';
+
 DROP ROLE IF EXISTS "creator_role";
 CREATE ROLE "creator_role" LOGIN;
 DROP ROLE IF EXISTS "ownership_role";
@@ -30,11 +47,11 @@ SELECT * FROM test_selectinto;
 SET SESSION AUTHORIZATION "ownership_role";
 \set QUIET off
 
-SELECT * FROM test;
-SELECT * FROM test_tablesas;
-SELECT * FROM test_view;
-SELECT * FROM test_mview;
-SELECT * FROM test_selectinto;
+SELECT 'denied_table', catch_permission_error($$SELECT * FROM test;$$);
+SELECT 'denied_tableas', catch_permission_error($$SELECT * FROM test_tablesas;$$);
+SELECT 'denied_view', catch_permission_error($$SELECT * FROM test_view;$$);
+SELECT 'denied_mview', catch_permission_error($$SELECT * FROM test_mview;$$);
+SELECT 'denied_selectinto', catch_permission_error($$SELECT * FROM test_selectinto;$$);
 
 \set QUIET on
 SET SESSION AUTHORIZATION "creator_role";
@@ -71,11 +88,11 @@ SELECT * FROM test2_selectinto;
 SET SESSION AUTHORIZATION "ownership_role";
 \set QUIET off
 
-SELECT * FROM test2;
-SELECT * FROM test2_tablesas;
-SELECT * FROM test2_view;
-SELECT * FROM test2_mview;
-SELECT * FROM test2_selectinto;
+SELECT 'denied_table2', catch_permission_error($$SELECT * FROM test2;$$);
+SELECT 'denied_tableas2', catch_permission_error($$SELECT * FROM test2_tablesas;$$);
+SELECT 'denied_view2', catch_permission_error($$SELECT * FROM test2_view;$$);
+SELECT 'denied_mview2', catch_permission_error($$SELECT * FROM test2_mview;$$);
+SELECT 'denied_selectinto2', catch_permission_error($$SELECT * FROM test2_selectinto;$$);
 
 \set QUIET on
 SET SESSION AUTHORIZATION "creator_role";
@@ -112,11 +129,11 @@ SELECT * FROM test3_selectinto;
 SET SESSION AUTHORIZATION "ownership_role";
 \set QUIET off
 
-SELECT * FROM test3;
-SELECT * FROM test3_tablesas;
-SELECT * FROM test3_view;
-SELECT * FROM test3_mview;
-SELECT * FROM test3_selectinto;
+SELECT 'denied_table3', catch_permission_error($$SELECT * FROM test3;$$);
+SELECT 'denied_tableas3', catch_permission_error($$SELECT * FROM test3_tablesas;$$);
+SELECT 'denied_view3', catch_permission_error($$SELECT * FROM test3_view;$$);
+SELECT 'denied_mview3', catch_permission_error($$SELECT * FROM test3_mview;$$);
+SELECT 'denied_selectinto3', catch_permission_error($$SELECT * FROM test3_selectinto;$$);
 
 \set QUIET on
 SET SESSION AUTHORIZATION "creator_role";
@@ -174,4 +191,5 @@ DROP ROLE "ownership_role";
 REVOKE ALL ON SCHEMA cartodb FROM "creator_role";
 DROP ROLE "creator_role";
 DELETE FROM cdb_conf WHERE key = 'api_keys_creator_role';
+DROP FUNCTION catch_permission_error(text);
 \set QUIET off
diff --git a/test/CDB_OAuth_expect b/test/CDB_OAuth_expect
index f536c43..1a334c0 100644
--- a/test/CDB_OAuth_expect
+++ b/test/CDB_OAuth_expect
@@ -10,11 +10,11 @@ SELECT 1
 1
 1
 1
-ERROR:  permission denied for relation test
-ERROR:  permission denied for relation test_tablesas
-ERROR:  permission denied for relation test_view
-ERROR:  permission denied for relation test_mview
-ERROR:  permission denied for relation test_selectinto
+denied_table|t
+denied_tableas|t
+denied_view|t
+denied_mview|t
+denied_selectinto|t
 DROP TABLE
 DROP VIEW
 DROP MATERIALIZED VIEW
@@ -33,11 +33,11 @@ SELECT 1
 1
 1
 1
-ERROR:  permission denied for relation test2
-ERROR:  permission denied for relation test2_tablesas
-ERROR:  permission denied for relation test2_view
-ERROR:  permission denied for relation test2_mview
-ERROR:  permission denied for relation test2_selectinto
+denied_table2|t
+denied_tableas2|t
+denied_view2|t
+denied_mview2|t
+denied_selectinto2|t
 DROP TABLE
 DROP VIEW
 DROP MATERIALIZED VIEW
@@ -55,11 +55,11 @@ SELECT 1
 1
 1
 1
-ERROR:  permission denied for relation test3
-ERROR:  permission denied for relation test3_tablesas
-ERROR:  permission denied for relation test3_view
-ERROR:  permission denied for relation test3_mview
-ERROR:  permission denied for relation test3_selectinto
+denied_table3|t
+denied_tableas3|t
+denied_view3|t
+denied_mview3|t
+denied_selectinto3|t
 DROP TABLE
 DROP VIEW
 DROP MATERIALIZED VIEW
diff --git a/test/CDB_OAuth_expect.pg11 b/test/CDB_OAuth_expect.pg11
deleted file mode 100644
index 73767d2..0000000
--- a/test/CDB_OAuth_expect.pg11
+++ /dev/null
@@ -1,90 +0,0 @@
-
-CREATE TABLE
-INSERT 0 1
-SELECT 1
-CREATE VIEW
-SELECT 1
-SELECT 1
-1
-1
-1
-1
-1
-ERROR:  permission denied for table test
-ERROR:  permission denied for table test_tablesas
-ERROR:  permission denied for view test_view
-ERROR:  permission denied for materialized view test_mview
-ERROR:  permission denied for table test_selectinto
-DROP TABLE
-DROP VIEW
-DROP MATERIALIZED VIEW
-DROP TABLE
-DROP TABLE
-NOTICE:  event trigger "oauth_reassign_tables_trigger" does not exist, skipping
-
-CREATE TABLE
-INSERT 0 1
-SELECT 1
-CREATE VIEW
-SELECT 1
-SELECT 1
-1
-1
-1
-1
-1
-ERROR:  permission denied for table test2
-ERROR:  permission denied for table test2_tablesas
-ERROR:  permission denied for view test2_view
-ERROR:  permission denied for materialized view test2_mview
-ERROR:  permission denied for table test2_selectinto
-DROP TABLE
-DROP VIEW
-DROP MATERIALIZED VIEW
-DROP TABLE
-DROP TABLE
-
-CREATE TABLE
-INSERT 0 1
-SELECT 1
-CREATE VIEW
-SELECT 1
-SELECT 1
-1
-1
-1
-1
-1
-ERROR:  permission denied for table test3
-ERROR:  permission denied for table test3_tablesas
-ERROR:  permission denied for view test3_view
-ERROR:  permission denied for materialized view test3_mview
-ERROR:  permission denied for table test3_selectinto
-DROP TABLE
-DROP VIEW
-DROP MATERIALIZED VIEW
-DROP TABLE
-DROP TABLE
-
-CREATE TABLE
-INSERT 0 1
-SELECT 1
-CREATE VIEW
-SELECT 1
-SELECT 1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-DROP TABLE
-DROP VIEW
-DROP MATERIALIZED VIEW
-DROP TABLE
-DROP TABLE
-
diff --git a/test/CDB_QuotaTest.sql b/test/CDB_QuotaTest.sql
index 92b65d1..bbb8753 100644
--- a/test/CDB_QuotaTest.sql
+++ b/test/CDB_QuotaTest.sql
@@ -1,30 +1,48 @@
 set client_min_messages to error;
 \set VERBOSITY TERSE
-
--- See the dice
-SELECT setseed(0.5);
+-- Runs a query and returns whether an error was thrown
+-- Useful when the error message depends on the execution plan or db settings
+-- The error message outputs the extra quota, and this might depend on the database setup and version
+CREATE OR REPLACE FUNCTION catch_error(query text)
+RETURNS bool
+AS $$
+BEGIN
+    EXECUTE query;
+    RETURN FALSE;
+EXCEPTION
+    WHEN OTHERS THEN
+        RETURN TRUE;
+END
+$$ LANGUAGE 'plpgsql';
 
 CREATE TABLE big(a int);
 -- Try the legacy interface
 -- See https://github.com/CartoDB/cartodb-postgresql/issues/13
 CREATE TRIGGER test_quota BEFORE UPDATE OR INSERT ON big
-      EXECUTE PROCEDURE CDB_CheckQuota(1, 1, 'public');
+      EXECUTE PROCEDURE cartodb.CDB_CheckQuota(2, 1, 'public');
 INSERT INTO big VALUES (1); -- allowed, check runs before
-INSERT INTO big VALUES (2); -- disallowed, quota exceeds before
-SELECT CDB_SetUserQuotaInBytes(0);
-SELECT CDB_CartodbfyTable('big');
+SELECT 'excess1', catch_error($$INSERT INTO big VALUES (2); $$); -- disallowed, quota exceeds before
+SELECT cartodb.CDB_SetUserQuotaInBytes(0);
+SELECT cartodb.CDB_CartodbfyTable('big');
+-- Creating the trigger should fail as it was created by CDB_CartodbfyTable
+CREATE TRIGGER test_quota BEFORE UPDATE OR INSERT ON big
+      EXECUTE PROCEDURE cartodb.CDB_CheckQuota(2, 1, 'public');
+-- Drop the trigger and recreate it forcing a 100% checks
+DROP TRIGGER test_quota ON big;
+CREATE TRIGGER test_quota BEFORE UPDATE OR INSERT ON big
+      EXECUTE PROCEDURE cartodb.CDB_CheckQuota(2, 1, 'public');
 INSERT INTO big SELECT generate_series(2049,4096);
 INSERT INTO big SELECT generate_series(4097,6144);
 INSERT INTO big SELECT generate_series(6145,8192);
 -- Test for #108: https://github.com/CartoDB/cartodb-postgresql/issues/108
-SELECT CDB_UserDataSize();
-SELECT cartodb._CDB_total_relation_size('public', 'big');
+SELECT cartodb.CDB_UserDataSize() < 500000 AND cartodb.CDB_UserDataSize() > 0;
+SELECT cartodb._CDB_total_relation_size('public', 'big') < 1000000;
 SELECT cartodb._CDB_total_relation_size('public', 'nonexistent_table_name');
 -- END Test for #108
-SELECT setseed(0.9);
-SELECT CDB_SetUserQuotaInBytes(2);
-INSERT INTO big VALUES (8193);
-SELECT CDB_SetUserQuotaInBytes(0);
+
+SELECT cartodb.CDB_SetUserQuotaInBytes(2);
+SELECT 'excess2', catch_error($$INSERT INTO big VALUES (8193);$$);
+SELECT cartodb.CDB_SetUserQuotaInBytes(0);
 INSERT INTO big VALUES (8194);
 DROP TABLE big;
 
@@ -32,16 +50,17 @@ DROP TABLE big;
 --analysis tables should be excluded from quota:
 CREATE TABLE big(a int);
 CREATE TRIGGER test_quota BEFORE UPDATE OR INSERT ON big
-      EXECUTE PROCEDURE CDB_CheckQuota(1, 1, 'public');
-SELECT CDB_SetUserQuotaInBytes(1);
+      EXECUTE PROCEDURE cartodb.CDB_CheckQuota(2, 1, 'public');
+SELECT cartodb.CDB_SetUserQuotaInBytes(1);
 CREATE TABLE analysis_2f13a3dbd7_41bd92976fc6dd97072afe4ee450054f4c0715d4(id int);
 INSERT INTO analysis_2f13a3dbd7_41bd92976fc6dd97072afe4ee450054f4c0715d4(id) VALUES (1),(2),(3),(4),(5);
 INSERT INTO big VALUES (1); -- allowed, check runs before
 DROP TABLE analysis_2f13a3dbd7_41bd92976fc6dd97072afe4ee450054f4c0715d4;
-INSERT INTO big VALUES (2); -- disallowed, quota exceeds before
+SELECT 'excess3', catch_error($$INSERT INTO big VALUES (3);$$); -- disallowed, quota exceeds before
 DROP TABLE big;
 SELECT CDB_SetUserQuotaInBytes(0);
 
 
 set client_min_messages to NOTICE;
+DROP FUNCTION catch_error(text);
 DROP FUNCTION _CDB_UserQuotaInBytes();
diff --git a/test/CDB_QuotaTest_expect b/test/CDB_QuotaTest_expect
index 9204514..49f9e7d 100644
--- a/test/CDB_QuotaTest_expect
+++ b/test/CDB_QuotaTest_expect
@@ -1,20 +1,22 @@
 SET
-
+CREATE FUNCTION
 CREATE TABLE
 CREATE TRIGGER
 INSERT 0 1
-ERROR:  Quota exceeded by 3.9990234375KB
+excess1|t
 0
 big
+ERROR:  trigger "test_quota" for relation "big" already exists
+DROP TRIGGER
+CREATE TRIGGER
 INSERT 0 2048
 INSERT 0 2048
 INSERT 0 2048
-454656
-909312
+t
+t
 0
-
 2
-ERROR:  Quota exceeded by 443.998046875KB
+excess2|t
 0
 INSERT 0 1
 DROP TABLE
@@ -25,8 +27,9 @@ CREATE TABLE
 INSERT 0 5
 INSERT 0 1
 DROP TABLE
-ERROR:  Quota exceeded by 3.9990234375KB
+excess3|t
 DROP TABLE
 0
 SET
 DROP FUNCTION
+DROP FUNCTION
diff --git a/test/CDB_UserTablesTest.sql b/test/CDB_UserTablesTest.sql
index 3e16c1b..101669d 100644
--- a/test/CDB_UserTablesTest.sql
+++ b/test/CDB_UserTablesTest.sql
@@ -17,16 +17,16 @@ CREATE TABLE pub(a int);
 CREATE TABLE prv(a int);
 GRANT SELECT ON TABLE pub TO publicuser;
 REVOKE SELECT ON TABLE prv FROM publicuser;
-SELECT CDB_UserTables() ORDER BY 1;
-SELECT 'all',CDB_UserTables('all') ORDER BY 2;
-SELECT 'public',CDB_UserTables('public') ORDER BY 2;
-SELECT 'private',CDB_UserTables('private') ORDER BY 2;
-SELECT '--unsupported--',CDB_UserTables('--unsupported--') ORDER BY 2;
+SELECT cartodb.CDB_UserTables() ORDER BY 1;
+SELECT 'all', cartodb.CDB_UserTables('all') ORDER BY 2;
+SELECT 'public', cartodb.CDB_UserTables('public') ORDER BY 2;
+SELECT 'private', cartodb.CDB_UserTables('private') ORDER BY 2;
+SELECT '--unsupported--', cartodb.CDB_UserTables('--unsupported--') ORDER BY 2;
 -- now tests with public user
 \c contrib_regression publicuser
-SELECT 'all_publicuser',CDB_UserTables('all') ORDER BY 2;
-SELECT 'public_publicuser',CDB_UserTables('public') ORDER BY 2;
-SELECT 'private_publicuser',CDB_UserTables('private') ORDER BY 2;
+SELECT 'all_publicuser', cartodb.CDB_UserTables('all') ORDER BY 2;
+SELECT 'public_publicuser', cartodb.CDB_UserTables('public') ORDER BY 2;
+SELECT 'private_publicuser', cartodb.CDB_UserTables('private') ORDER BY 2;
 \c contrib_regression postgres
 DROP TABLE pub;
 DROP TABLE prv;
diff --git a/test/extension/test.sh b/test/extension/test.sh
index d23b4b0..faf3d93 100755
--- a/test/extension/test.sh
+++ b/test/extension/test.sh
@@ -17,6 +17,10 @@ SED=sed
 OK=0
 PARTIALOK=0
 
+function reset_default_database() {
+    DATABASE=test_extension
+}
+
 function set_failed() {
     OK=1
     PARTIALOK=1
@@ -40,10 +44,10 @@ function sql() {
     fi
 
     if [ -n "${ROLE}" ]; then
-      log_debug "Executing query '${QUERY}' as ${ROLE}"
+      log_debug "Executing query '${QUERY}' as '${ROLE}' in '${DATABASE}'"
       RESULT=`${CMD} -U "${ROLE}" ${DATABASE} -c "${QUERY}" -A -t`
     else
-      log_debug "Executing query '${QUERY}'"
+      log_debug "Executing query '${QUERY}' in '${DATABASE}'"
       RESULT=`${CMD} ${DATABASE} -c "${QUERY}" -A -t`
     fi
     CODERESULT=$?
@@ -212,6 +216,8 @@ function tear_down_database() {
     ${CMD} -c "DROP DATABASE ${DATABASE}"
 }
 function tear_down() {
+    reset_default_database
+
     log_info "########################### USER TEAR DOWN ###########################"
     sql cdb_testmember_1 "SELECT * FROM cartodb.CDB_Organization_Remove_Access_Permission('cdb_testmember_1', 'foo', 'cdb_testmember_2');"
     sql cdb_testmember_2 "SELECT * FROM cartodb.CDB_Organization_Remove_Access_Permission('cdb_testmember_2', 'bar', 'cdb_testmember_1');"
@@ -532,6 +538,8 @@ END
     DATABASE=fdw_target sql postgres "SELECT cdb_tablemetadatatouch('test_fdw.foo'::regclass);"
     DATABASE=fdw_target sql postgres "SELECT cdb_tablemetadatatouch('test_fdw.foo2'::regclass);"
 
+    reset_default_database
+
     # Add PGPORT to conf if it is set
     PORT_SPEC=""
     if [[ "$PGPORT" != "" ]] ; then
@@ -659,8 +667,10 @@ EOF
     DATABASE=fdw_target sql postgres 'REVOKE SELECT ON cdb_tablemetadata_text FROM fdw_user;'
     DATABASE=fdw_target sql postgres 'DROP ROLE fdw_user;'
 
+    reset_default_database
     sql postgres "select pg_terminate_backend(pid) from pg_stat_activity where datname='fdw_target';"
     DATABASE=fdw_target tear_down_database
+    reset_default_database
 }
 
 function test_cdb_catalog_basic_node() {