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-rw-r--r--src/test/regress/expected/matview.out6
-rw-r--r--src/test/regress/sql/matview.sql6
2 files changed, 12 insertions, 0 deletions
diff --git a/src/test/regress/expected/matview.out b/src/test/regress/expected/matview.out
index c2bb9b0c5ef..24f8b796dfb 100644
--- a/src/test/regress/expected/matview.out
+++ b/src/test/regress/expected/matview.out
@@ -424,6 +424,12 @@ REFRESH MATERIALIZED VIEW mv;
REFRESH MATERIALIZED VIEW CONCURRENTLY mv;
DROP TABLE foo CASCADE;
NOTICE: drop cascades to materialized view mv
+-- allow subquery to reference unpopulated matview if WITH NO DATA is specified
+CREATE MATERIALIZED VIEW mv1 AS SELECT 1 AS col1 WITH NO DATA;
+CREATE MATERIALIZED VIEW mv2 AS SELECT * FROM mv1
+ WHERE col1 = (SELECT LEAST(col1) FROM mv1) WITH NO DATA;
+DROP MATERIALIZED VIEW mv1 CASCADE;
+NOTICE: drop cascades to materialized view mv2
-- make sure that types with unusual equality tests work
CREATE TABLE boxes (id serial primary key, b box);
INSERT INTO boxes (b) VALUES
diff --git a/src/test/regress/sql/matview.sql b/src/test/regress/sql/matview.sql
index 3ba6109d0b0..93e7a42480e 100644
--- a/src/test/regress/sql/matview.sql
+++ b/src/test/regress/sql/matview.sql
@@ -155,6 +155,12 @@ REFRESH MATERIALIZED VIEW mv;
REFRESH MATERIALIZED VIEW CONCURRENTLY mv;
DROP TABLE foo CASCADE;
+-- allow subquery to reference unpopulated matview if WITH NO DATA is specified
+CREATE MATERIALIZED VIEW mv1 AS SELECT 1 AS col1 WITH NO DATA;
+CREATE MATERIALIZED VIEW mv2 AS SELECT * FROM mv1
+ WHERE col1 = (SELECT LEAST(col1) FROM mv1) WITH NO DATA;
+DROP MATERIALIZED VIEW mv1 CASCADE;
+
-- make sure that types with unusual equality tests work
CREATE TABLE boxes (id serial primary key, b box);
INSERT INTO boxes (b) VALUES