Merge magare.gmz:/home/kgeorge/mysql/autopush/B19390-5.0-opt

into  magare.gmz:/home/kgeorge/mysql/work/B19390-5.1-opt

mysql-test/r/union.result

@@ -1445,4 +1445,55 @@ select @var;
 1
 (select 2) union (select 1 into @var);
 ERROR 42000: Result consisted of more than one row
+CREATE TABLE t1 (a int);
+INSERT INTO t1 VALUES (10), (20);
+CREATE TABLE t2 (b int);
+INSERT INTO t2 VALUES (10), (50), (50);
+SELECT a,1 FROM t1 
+UNION
+SELECT b, COUNT(*) FROM t2 GROUP BY b WITH ROLLUP
+ORDER BY a;
+a	1
+NULL	3
+10	1
+20	1
+50	2
+SELECT a,1 FROM t1 
+UNION
+SELECT b, COUNT(*) FROM t2 GROUP BY b WITH ROLLUP
+ORDER BY a DESC;
+a	1
+50	2
+20	1
+10	1
+NULL	3
+SELECT a,1 FROM t1 
+UNION
+SELECT b, COUNT(*) FROM t2 GROUP BY b WITH ROLLUP
+ORDER BY a ASC LIMIT 3;
+a	1
+NULL	3
+10	1
+20	1
+SELECT a,1 FROM t1 
+UNION ALL 
+SELECT b, COUNT(*) FROM t2 GROUP BY b WITH ROLLUP
+ORDER BY a DESC;
+a	1
+50	2
+20	1
+10	1
+10	1
+NULL	3
+SELECT a,1 FROM t1
+UNION 
+(SELECT b, COUNT(*) FROM t2 GROUP BY b WITH ROLLUP ORDER BY a);
+ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
+SELECT a,1 FROM t1
+UNION ALL
+SELECT b, COUNT(*) FROM t2 GROUP BY b WITH ROLLUP ORDER BY a
+UNION
+SELECT 1,1;
+ERROR HY000: Incorrect usage of UNION and ORDER BY
+DROP TABLE t1,t2;
 End of 5.0 tests

mysql-test/suite/rpl/r/rpl_trigger.result

@@ -91,21 +91,25 @@ select a=b && a=c from t1;
 a=b && a=c
 1
 SELECT routine_name, definer
-FROM information_schema.routines;
+FROM information_schema.routines
+WHERE routine_name = 'bug12480';
 routine_name	definer
 bug12480	root@localhost
 SELECT trigger_name, definer
-FROM information_schema.triggers;
+FROM information_schema.triggers
+WHERE trigger_name = 't1_first';
 trigger_name	definer
 t1_first	root@localhost
 
 --- On slave --
 SELECT routine_name, definer
-FROM information_schema.routines;
+FROM information_schema.routines
+WHERE routine_name = 'bug12480';
 routine_name	definer
 bug12480	root@localhost
 SELECT trigger_name, definer
-FROM information_schema.triggers;
+FROM information_schema.triggers
+WHERE trigger_name = 't1_first';
 trigger_name	definer
 t1_first	root@localhost
 select a=b && a=c from t1;

mysql-test/suite/rpl/t/rpl_trigger.test

@@ -101,10 +101,12 @@ let $time=`select a from t1`;
 #   - dump definers on the slave;
 
 SELECT routine_name, definer
-FROM information_schema.routines;
+FROM information_schema.routines
+WHERE routine_name = 'bug12480';
 
 SELECT trigger_name, definer
-FROM information_schema.triggers;
+FROM information_schema.triggers
+WHERE trigger_name = 't1_first';
 
 save_master_pos;
 connection slave;
@@ -119,10 +121,12 @@ select "--- On slave --" as "";
 # item.
 
 SELECT routine_name, definer
-FROM information_schema.routines;
+FROM information_schema.routines
+WHERE routine_name = 'bug12480';
 
 SELECT trigger_name, definer
-FROM information_schema.triggers;
+FROM information_schema.triggers
+WHERE trigger_name = 't1_first';
 
 select a=b && a=c from t1;
 --disable_query_log

mysql-test/t/union.test

@@ -922,4 +922,48 @@ DROP TABLE t1;
 select @var;
 --error 1172
 (select 2) union (select 1 into @var);
+
+#
+# Bug#27848: order-by of union clashes with rollup of select part
+#
+
+CREATE TABLE t1 (a int);
+INSERT INTO t1 VALUES (10), (20);
+CREATE TABLE t2 (b int);
+INSERT INTO t2 VALUES (10), (50), (50);
+
+SELECT a,1 FROM t1 
+UNION
+SELECT b, COUNT(*) FROM t2 GROUP BY b WITH ROLLUP
+ORDER BY a;
+
+SELECT a,1 FROM t1 
+UNION
+SELECT b, COUNT(*) FROM t2 GROUP BY b WITH ROLLUP
+ORDER BY a DESC;
+
+SELECT a,1 FROM t1 
+UNION
+SELECT b, COUNT(*) FROM t2 GROUP BY b WITH ROLLUP
+ORDER BY a ASC LIMIT 3;
+
+SELECT a,1 FROM t1 
+UNION ALL 
+SELECT b, COUNT(*) FROM t2 GROUP BY b WITH ROLLUP
+ORDER BY a DESC;
+
+--error ER_WRONG_USAGE
+SELECT a,1 FROM t1
+UNION 
+(SELECT b, COUNT(*) FROM t2 GROUP BY b WITH ROLLUP ORDER BY a);
+
+--error ER_WRONG_USAGE
+SELECT a,1 FROM t1
+UNION ALL
+SELECT b, COUNT(*) FROM t2 GROUP BY b WITH ROLLUP ORDER BY a
+UNION
+SELECT 1,1;
+
+DROP TABLE t1,t2;
+
 --echo End of 5.0 tests

sql/sql_yacc.yy

@@ -6151,6 +6151,14 @@ select_paren:
               my_parse_error(ER(ER_SYNTAX_ERROR));
               MYSQL_YYABORT;
             }
+            if (sel->linkage == UNION_TYPE &&
+                sel->olap != UNSPECIFIED_OLAP_TYPE &&
+                sel->master_unit()->fake_select_lex)
+            {
+ 	       my_error(ER_WRONG_USAGE, MYF(0),
+                        "CUBE/ROLLUP", "ORDER BY");
+               MYSQL_YYABORT;
+            }
             /* select in braces, can't contain global parameters */
             if (sel->master_unit()->fake_select_lex)
               sel->master_unit()->global_parameters=
@@ -8039,7 +8047,8 @@ order_clause:
             SELECT_LEX *sel= lex->current_select;
             SELECT_LEX_UNIT *unit= sel-> master_unit();
             if (sel->linkage != GLOBAL_OPTIONS_TYPE &&
-                sel->olap != UNSPECIFIED_OLAP_TYPE)
+                sel->olap != UNSPECIFIED_OLAP_TYPE &&
+                (sel->linkage != UNION_TYPE || sel->braces))
             {
               my_error(ER_WRONG_USAGE, MYF(0),
                        "CUBE/ROLLUP", "ORDER BY");