diff --git a/mysql-test/r/union.result b/mysql-test/r/union.result
index 33fc4333d1c..7f0ec2275d7 100644
--- a/mysql-test/r/union.result
+++ b/mysql-test/r/union.result
@@ -1644,3 +1644,103 @@ b
 2
 DROP TABLE t1,t2;
 End of 5.1 tests
+#
+# Bug#57986 ORDER BY clause is not used after a UNION, 
+#           if embedded in a SELECT
+#
+CREATE TABLE t1 (c1 VARCHAR(10) NOT NULL, c2 INT NOT NULL);
+CREATE TABLE t2 (c1 VARCHAR(10) NOT NULL, c2 INT NOT NULL);
+INSERT INTO t1 (c1, c2) VALUES ('t1a', 1), ('t1a', 2), ('t1a', 3), ('t1b', 2), ('t1b', 1);
+INSERT INTO t2 (c1, c2) VALUES ('t2a', 1), ('t2a', 2), ('t2a', 3), ('t2b', 2), ('t2b', 1);
+SELECT * FROM t1 UNION SELECT * FROM t2 ORDER BY c2, c1;
+c1	c2
+t1a	1
+t1b	1
+t2a	1
+t2b	1
+t1a	2
+t1b	2
+t2a	2
+t2b	2
+t1a	3
+t2a	3
+SELECT * FROM t1 UNION (SELECT * FROM t2) ORDER BY c2, c1;
+c1	c2
+t1a	1
+t1b	1
+t2a	1
+t2b	1
+t1a	2
+t1b	2
+t2a	2
+t2b	2
+t1a	3
+t2a	3
+SELECT * FROM t1 UNION (SELECT * FROM t2 ORDER BY c2, c1);
+c1	c2
+t1a	1
+t1a	2
+t1a	3
+t1b	2
+t1b	1
+t2a	1
+t2a	2
+t2a	3
+t2b	2
+t2b	1
+SELECT c1, c2 FROM (
+SELECT c1, c2 FROM t1
+UNION
+(SELECT c1, c2 FROM t2)
+ORDER BY c2, c1
+) AS res;
+c1	c2
+t1a	1
+t1b	1
+t2a	1
+t2b	1
+t1a	2
+t1b	2
+t2a	2
+t2b	2
+t1a	3
+t2a	3
+SELECT c1, c2 FROM (
+SELECT c1, c2 FROM t1
+UNION
+(SELECT c1, c2 FROM t2)
+ORDER BY c2 DESC, c1 LIMIT 1
+) AS res;
+c1	c2
+t1a	3
+SELECT c1, c2 FROM (
+SELECT c1, c2 FROM t1
+UNION
+(SELECT c1, c2 FROM t2 ORDER BY c2 DESC, c1 LIMIT 1)
+) AS res;
+c1	c2
+t1a	1
+t1a	2
+t1a	3
+t1b	2
+t1b	1
+t2a	3
+SELECT c1, c2 FROM (
+SELECT c1, c2 FROM t1
+UNION
+SELECT c1, c2 FROM t2 
+ORDER BY c2 DESC, c1 DESC LIMIT 1
+) AS res;
+c1	c2
+t2a	3
+SELECT c1, c2 FROM (
+(
+(SELECT c1, c2 FROM t1)
+UNION
+(SELECT c1, c2 FROM t2)
+)
+ORDER BY c2 DESC, c1 ASC LIMIT 1
+) AS res;
+c1	c2
+t1a	3
+DROP TABLE t1, t2;
diff --git a/mysql-test/t/union.test b/mysql-test/t/union.test
index 596fc5f41ef..694f1bab15c 100644
--- a/mysql-test/t/union.test
+++ b/mysql-test/t/union.test
@@ -1117,3 +1117,57 @@ DROP TABLE t1,t2;
 
 
 --echo End of 5.1 tests
+
+--echo #
+--echo # Bug#57986 ORDER BY clause is not used after a UNION, 
+--echo #           if embedded in a SELECT
+--echo #
+
+CREATE TABLE t1 (c1 VARCHAR(10) NOT NULL, c2 INT NOT NULL);
+CREATE TABLE t2 (c1 VARCHAR(10) NOT NULL, c2 INT NOT NULL);
+
+
+INSERT INTO t1 (c1, c2) VALUES ('t1a', 1), ('t1a', 2), ('t1a', 3), ('t1b', 2), ('t1b', 1);
+INSERT INTO t2 (c1, c2) VALUES ('t2a', 1), ('t2a', 2), ('t2a', 3), ('t2b', 2), ('t2b', 1);
+
+SELECT * FROM t1 UNION SELECT * FROM t2 ORDER BY c2, c1;
+SELECT * FROM t1 UNION (SELECT * FROM t2) ORDER BY c2, c1;
+SELECT * FROM t1 UNION (SELECT * FROM t2 ORDER BY c2, c1);
+
+SELECT c1, c2 FROM (
+  SELECT c1, c2 FROM t1
+  UNION
+  (SELECT c1, c2 FROM t2)
+  ORDER BY c2, c1
+) AS res;
+
+SELECT c1, c2 FROM (
+  SELECT c1, c2 FROM t1
+  UNION
+  (SELECT c1, c2 FROM t2)
+  ORDER BY c2 DESC, c1 LIMIT 1
+) AS res;
+
+SELECT c1, c2 FROM (
+  SELECT c1, c2 FROM t1
+  UNION
+  (SELECT c1, c2 FROM t2 ORDER BY c2 DESC, c1 LIMIT 1)
+) AS res;
+
+SELECT c1, c2 FROM (
+  SELECT c1, c2 FROM t1
+  UNION
+  SELECT c1, c2 FROM t2 
+  ORDER BY c2 DESC, c1 DESC LIMIT 1
+) AS res;
+
+SELECT c1, c2 FROM (
+  (
+   (SELECT c1, c2 FROM t1)
+   UNION
+   (SELECT c1, c2 FROM t2)
+  )
+  ORDER BY c2 DESC, c1 ASC LIMIT 1
+) AS res;
+
+DROP TABLE t1, t2;
diff --git a/sql/sql_yacc.yy b/sql/sql_yacc.yy
index 9aa938437b1..c283747156a 100644
--- a/sql/sql_yacc.yy
+++ b/sql/sql_yacc.yy
@@ -9396,7 +9396,7 @@ table_factor:
         ;
 
 select_derived_union:
-          select_derived opt_order_clause opt_limit_clause
+          select_derived opt_union_order_or_limit
         | select_derived_union
           UNION_SYM
           union_option
@@ -9412,7 +9412,7 @@ select_derived_union:
              */
             Lex->pop_context();
           }
-          opt_order_clause opt_limit_clause
+          opt_union_order_or_limit
         ;
 
 /* The equivalent of select_init2 for nested queries. */
@@ -13862,6 +13862,11 @@ union_opt:
         | union_order_or_limit { $$= 1; }
         ;
 
+opt_union_order_or_limit:
+	  /* Empty */
+	| union_order_or_limit
+	;
+
 union_order_or_limit:
           {
             THD *thd= YYTHD;