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-rw-r--r--src/test/regress/sql/updatable_views.sql17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/test/regress/sql/updatable_views.sql b/src/test/regress/sql/updatable_views.sql
index 7739b3be76d..eaee0b7e1d7 100644
--- a/src/test/regress/sql/updatable_views.sql
+++ b/src/test/regress/sql/updatable_views.sql
@@ -1424,6 +1424,23 @@ DROP TABLE t2;
DROP TABLE t1;
--
+-- Test sub-select in nested security barrier views, per bug #17972
+--
+CREATE TABLE t1 (a int);
+CREATE VIEW v1 WITH (security_barrier = true) AS
+ SELECT * FROM t1;
+CREATE RULE v1_upd_rule AS ON UPDATE TO v1 DO INSTEAD
+ UPDATE t1 SET a = NEW.a WHERE a = OLD.a;
+CREATE VIEW v2 WITH (security_barrier = true) AS
+ SELECT * FROM v1 WHERE EXISTS (SELECT 1);
+
+EXPLAIN (COSTS OFF) UPDATE v2 SET a = 1;
+
+DROP VIEW v2;
+DROP VIEW v1;
+DROP TABLE t1;
+
+--
-- Test CREATE OR REPLACE VIEW turning a non-updatable view into an
-- auto-updatable view and adding check options in a single step
--