2 files changed, 10 insertions, 0 deletions
diff --git a/src/test/regress/expected/case.out b/src/test/regress/expected/case.out
index e0b94fff6a1..df3fb094b3e 100644
--- a/src/test/regress/expected/case.out
+++ b/src/test/regress/expected/case.out
@@ -72,6 +72,13 @@ SELECT '6' AS "One",
  6   |                     6
 (1 row)
 
+-- Test for cases involving untyped literals in test expression
+SELECT CASE 'a' WHEN 'a' THEN 1 ELSE 2 END;
+ case 
+------
+    1
+(1 row)
+
 --
 -- Examples of targets involving tables
 --
diff --git a/src/test/regress/sql/case.sql b/src/test/regress/sql/case.sql
index 20fbf811530..85e17e0807f 100644
--- a/src/test/regress/sql/case.sql
+++ b/src/test/regress/sql/case.sql
@@ -58,6 +58,9 @@ SELECT '6' AS "One",
     ELSE 7
   END AS "Two WHEN with default";
 
+-- Test for cases involving untyped literals in test expression
+SELECT CASE 'a' WHEN 'a' THEN 1 ELSE 2 END;
+
 --
 -- Examples of targets involving tables
 --