1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/regress/sql/partition_prune.sql b/src/test/regress/sql/partition_prune.sql
index ff7e535..6977efd 100644
--- a/src/test/regress/sql/partition_prune.sql
+++ b/src/test/regress/sql/partition_prune.sql
@@ -178,6 +178,19 @@ select * from boolpart where a is not true and a is not false;
 select * from boolpart where a is unknown;
 select * from boolpart where a is not unknown;
 
+-- try some other permutations with a NULL partition instead of a DEFAULT
+delete from boolpart where a is null;
+create table boolpart_null partition of boolpart for values in (null);
+insert into boolpart values(null);
+
+explain (costs off) select * from boolpart where a is not true;
+explain (costs off) select * from boolpart where a is not true and a is not false;
+explain (costs off) select * from boolpart where a is not false;
+
+select * from boolpart where a is not true;
+select * from boolpart where a is not true and a is not false;
+select * from boolpart where a is not false;
+
 -- inverse boolean partitioning - a seemingly unlikely design, but we've got
 -- code for it, so we'd better test it.
 create table iboolpart (a bool) partition by list ((not a));
@@ -204,15 +217,32 @@ select * from iboolpart where a is not true and a is not false;
 select * from iboolpart where a is unknown;
 select * from iboolpart where a is not unknown;
 
+-- Try some other permutations with a NULL partition instead of a DEFAULT
+delete from iboolpart where a is null;
+create table iboolpart_null partition of iboolpart for values in (null);
+insert into iboolpart values(null);
+
+-- Pruning shouldn't take place for these.  Just check the result is correct
+select * from iboolpart where a is not true;
+select * from iboolpart where a is not true and a is not false;
+select * from iboolpart where a is not false;
+
 create table boolrangep (a bool, b bool, c int) partition by range (a,b,c);
 create table boolrangep_tf partition of boolrangep for values from ('true', 'false', 0) to ('true', 'false', 100);
 create table boolrangep_ft partition of boolrangep for values from ('false', 'true', 0) to ('false', 'true', 100);
 create table boolrangep_ff1 partition of boolrangep for values from ('false', 'false', 0) to ('false', 'false', 50);
 create table boolrangep_ff2 partition of boolrangep for values from ('false', 'false', 50) to ('false', 'false', 100);
+create table boolrangep_null partition of boolrangep default;
 
 -- try a more complex case that's been known to trip up pruning in the past
 explain (costs off)  select * from boolrangep where not a and not b and c = 25;
 
+-- ensure we prune boolrangep_tf
+explain (costs off)  select * from boolrangep where a is not true and not b and c = 25;
+
+-- ensure we prune everything apart from boolrangep_tf and boolrangep_null
+explain (costs off)  select * from boolrangep where a is not false and not b and c = 25;
+
 -- test scalar-to-array operators
 create table coercepart (a varchar) partition by list (a);
 create table coercepart_ab partition of coercepart for values in ('ab');