1 files changed, 8 insertions, 0 deletions
diff --git a/src/test/regress/sql/numeric.sql b/src/test/regress/sql/numeric.sql
index 2ad4f3e7387..972e3aaec49 100644
--- a/src/test/regress/sql/numeric.sql
+++ b/src/test/regress/sql/numeric.sql
@@ -798,6 +798,14 @@ SELECT '' AS to_char_34, to_char('100'::numeric, 'f"\\ool"999');
 SELECT '' AS to_char_35, to_char('100'::numeric, 'f"ool\"999');
 SELECT '' AS to_char_36, to_char('100'::numeric, 'f"ool\\"999');
 
+-- Test scientific notation with various exponents
+WITH v(exp) AS
+  (VALUES(-16379),(-16378),(-1234),(-789),(-45),(-5),(-4),(-3),(-2),(-1),(0),
+         (1),(2),(3),(4),(5),(38),(275),(2345),(45678),(131070),(131071))
+SELECT exp,
+  to_char(('1.2345e'||exp)::numeric, '9.999EEEE') as numeric
+FROM v;
+
 -- TO_NUMBER()
 --
 SET lc_numeric = 'C';