diff --git a/src/test/regress/expected/create_index.out b/src/test/regress/expected/create_index.out
index ad3a678cb2..37dea0a554 100644
--- a/src/test/regress/expected/create_index.out
+++ b/src/test/regress/expected/create_index.out
@@ -2659,18 +2659,18 @@ CREATE INDEX dupindexcols_i ON dupindexcols (f1, id, f1 text_pattern_ops);
 ANALYZE dupindexcols;
 EXPLAIN (COSTS OFF)
   SELECT count(*) FROM dupindexcols
-    WHERE f1 > 'WA' and id < 1000 and f1 ~<~ 'YX';
-                                      QUERY PLAN                                       
----------------------------------------------------------------------------------------
+    WHERE f1 BETWEEN 'WA' AND 'ZZZ' and id < 1000 and f1 ~<~ 'YX';
+                                                   QUERY PLAN                                                   
+----------------------------------------------------------------------------------------------------------------
  Aggregate
    ->  Bitmap Heap Scan on dupindexcols
-         Recheck Cond: ((f1 > 'WA'::text) AND (id < 1000) AND (f1 ~<~ 'YX'::text))
+         Recheck Cond: ((f1 >= 'WA'::text) AND (f1 <= 'ZZZ'::text) AND (id < 1000) AND (f1 ~<~ 'YX'::text))
          ->  Bitmap Index Scan on dupindexcols_i
-               Index Cond: ((f1 > 'WA'::text) AND (id < 1000) AND (f1 ~<~ 'YX'::text))
+               Index Cond: ((f1 >= 'WA'::text) AND (f1 <= 'ZZZ'::text) AND (id < 1000) AND (f1 ~<~ 'YX'::text))
 (5 rows)
 
 SELECT count(*) FROM dupindexcols
-  WHERE f1 > 'WA' and id < 1000 and f1 ~<~ 'YX';
+  WHERE f1 BETWEEN 'WA' AND 'ZZZ' and id < 1000 and f1 ~<~ 'YX';
  count 
 -------
     97
diff --git a/src/test/regress/sql/create_index.sql b/src/test/regress/sql/create_index.sql
index 04b69c67db..d025cbcb5e 100644
--- a/src/test/regress/sql/create_index.sql
+++ b/src/test/regress/sql/create_index.sql
@@ -885,9 +885,9 @@ ANALYZE dupindexcols;
 
 EXPLAIN (COSTS OFF)
   SELECT count(*) FROM dupindexcols
-    WHERE f1 > 'WA' and id < 1000 and f1 ~<~ 'YX';
+    WHERE f1 BETWEEN 'WA' AND 'ZZZ' and id < 1000 and f1 ~<~ 'YX';
 SELECT count(*) FROM dupindexcols
-  WHERE f1 > 'WA' and id < 1000 and f1 ~<~ 'YX';
+  WHERE f1 BETWEEN 'WA' AND 'ZZZ' and id < 1000 and f1 ~<~ 'YX';
 
 --
 -- Check ordering of =ANY indexqual results (bug in 9.2.0)