Merge branch '10.1' into 10.2

mysql-test/mysql-test-run.pl

@@ -5514,12 +5514,12 @@ sub server_need_restart {
         exists $server->{'restart_opts'})
     {
       my $use_dynamic_option_switch= 0;
-      delete $server->{'restart_opts'};
+      my $restart_opts = delete $server->{'restart_opts'} || [];
       if (!$use_dynamic_option_switch)
       {
 	mtr_verbose_restart($server, "running with different options '" .
 			    join(" ", @{$extra_opts}) . "' != '" .
-			    join(" ", @{$started_opts}) . "'" );
+			    join(" ", @{$started_opts}, @{$restart_opts}) . "'" );
 	return 1;
       }
 

mysql-test/r/events_bugs.result

@@ -692,7 +692,7 @@ SET GLOBAL READ_ONLY = 1;
 
 connect u1_con,localhost,mysqltest_u1,,events_test;
 
-CREATE EVENT e1 ON SCHEDULE AT '2020-01-01 00:00:00' DO SET @a = 1;
+CREATE EVENT e1 ON SCHEDULE AT '2038-01-01 00:00:00' DO SET @a = 1;
 ERROR HY000: The MariaDB server is running with the --read-only option so it cannot execute this statement
 
 ALTER EVENT e1 COMMENT 'comment';
@@ -703,7 +703,7 @@ ERROR HY000: The MariaDB server is running with the --read-only option so it can
 
 connect root_con,localhost,root,,events_test;
 
-CREATE EVENT e1 ON SCHEDULE AT '2020-01-01 00:00:00' DO SET @a = 1;
+CREATE EVENT e1 ON SCHEDULE AT '2038-01-01 00:00:00' DO SET @a = 1;
 Warnings:
 Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
 

mysql-test/r/func_misc.result

@@ -1491,6 +1491,19 @@ x
 x
 DEALLOCATE PREPARE stmt;
 #
+# MDEV-19680: Assertion `!table || (!table->read_set || bitmap_is_set(table->read_set, field_index) ||
+#             (!(ptr >= table->record[0] && ptr < table->record[0] + table->s->reclength)))'
+#             or alike failed upon SELECT with mix of functions from simple view
+#
+CREATE TABLE t1 (a INT) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (1),(2);
+CREATE VIEW v1 AS SELECT * FROM t1;
+SELECT ISNULL( BENCHMARK(1, MIN(a))) FROM v1;
+ISNULL( BENCHMARK(1, MIN(a)))
+0
+DROP VIEW v1;
+DROP TABLE t1;
+#
 # Start of 10.2 tests
 #
 #

mysql-test/r/group_by.result

@@ -2827,6 +2827,22 @@ SELECT 1 IN ( SELECT COUNT( DISTINCT f2 ) FROM t1 WHERE f1 <= 4 );
 0
 drop table t1;
 #
+# MDEV-20922: Adding an order by changes the query results
+#
+CREATE TABLE t1(a int, b int);
+INSERT INTO t1 values (1, 100), (2, 200), (3, 100), (4, 200);
+create view v1 as select a, b+1 as x from t1;
+SELECT x, COUNT(DISTINCT a) AS y FROM v1 GROUP BY x ORDER BY y;
+x	y
+101	2
+201	2
+SELECT b+1 AS x, COUNT(DISTINCT a) AS y FROM t1 GROUP BY x ORDER BY y;
+x	y
+101	2
+201	2
+drop view v1;
+drop table t1;
+#
 # MDEV-10694 - SIGFPE and/or huge memory allocation in maria_create with distinct/group by/ rollup
 #
 create table t1 (a int,b int) ;

mysql-test/t/events_bugs.test

@@ -1029,7 +1029,7 @@ SET GLOBAL READ_ONLY = 1;
 --echo
 
 --error ER_OPTION_PREVENTS_STATEMENT
-CREATE EVENT e1 ON SCHEDULE AT '2020-01-01 00:00:00' DO SET @a = 1;
+CREATE EVENT e1 ON SCHEDULE AT '2038-01-01 00:00:00' DO SET @a = 1;
 
 --echo
 
@@ -1049,7 +1049,7 @@ DROP EVENT e1;
 
 --echo
 
-CREATE EVENT e1 ON SCHEDULE AT '2020-01-01 00:00:00' DO SET @a = 1;
+CREATE EVENT e1 ON SCHEDULE AT '2038-01-01 00:00:00' DO SET @a = 1;
 
 --echo
 

mysql-test/t/func_misc.test

@@ -1139,6 +1139,21 @@ PREPARE stmt FROM "SELECT 'x' ORDER BY NAME_CONST( 'f', 'foo' )";
 EXECUTE stmt;
 DEALLOCATE PREPARE stmt;
 
+--echo #
+--echo # MDEV-19680: Assertion `!table || (!table->read_set || bitmap_is_set(table->read_set, field_index) ||
+--echo #             (!(ptr >= table->record[0] && ptr < table->record[0] + table->s->reclength)))'
+--echo #             or alike failed upon SELECT with mix of functions from simple view
+--echo #
+
+CREATE TABLE t1 (a INT) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (1),(2);
+CREATE VIEW v1 AS SELECT * FROM t1;
+
+SELECT ISNULL( BENCHMARK(1, MIN(a))) FROM v1;
+
+DROP VIEW v1;
+DROP TABLE t1;
+
 
 --echo #
 --echo # Start of 10.2 tests

mysql-test/t/group_by.test

@@ -1945,6 +1945,20 @@ INSERT INTO t1 VALUES (0,'foo'),(1,'bar');
 SELECT 1 IN ( SELECT COUNT( DISTINCT f2 ) FROM t1 WHERE f1 <= 4 );
 drop table t1;
 
+--echo #
+--echo # MDEV-20922: Adding an order by changes the query results
+--echo #
+
+CREATE TABLE t1(a int, b int);
+INSERT INTO t1 values (1, 100), (2, 200), (3, 100), (4, 200);
+
+create view v1 as select a, b+1 as x from t1;
+
+SELECT x, COUNT(DISTINCT a) AS y FROM v1 GROUP BY x ORDER BY y;
+SELECT b+1 AS x, COUNT(DISTINCT a) AS y FROM t1 GROUP BY x ORDER BY y;
+
+drop view v1;
+drop table t1;
 --echo #
 --echo # MDEV-10694 - SIGFPE and/or huge memory allocation in maria_create with distinct/group by/ rollup
 --echo #

sql/item.cc

@@ -8876,6 +8876,46 @@ bool Item_direct_view_ref::excl_dep_on_grouping_fields(st_select_lex *sel)
 }
 
 
+double Item_direct_view_ref::val_result()
+{
+  double tmp=(*ref)->val_result();
+  null_value=(*ref)->null_value;
+  return tmp;
+}
+
+
+longlong Item_direct_view_ref::val_int_result()
+{
+  longlong tmp=(*ref)->val_int_result();
+  null_value=(*ref)->null_value;
+  return tmp;
+}
+
+
+String *Item_direct_view_ref::str_result(String* tmp)
+{
+  tmp=(*ref)->str_result(tmp);
+  null_value=(*ref)->null_value;
+  return tmp;
+}
+
+
+my_decimal *Item_direct_view_ref::val_decimal_result(my_decimal *val)
+{
+  my_decimal *tmp= (*ref)->val_decimal_result(val);
+  null_value=(*ref)->null_value;
+  return tmp;
+}
+
+
+bool Item_direct_view_ref::val_bool_result()
+{
+  bool tmp= (*ref)->val_bool_result();
+  null_value=(*ref)->null_value;
+  return tmp;
+}
+
+
 bool Item_default_value::eq(const Item *item, bool binary_cmp) const
 {
   return item->type() == DEFAULT_VALUE_ITEM && 

sql/item.h

@@ -4978,6 +4978,15 @@ public:
     item_equal= NULL;
     Item_direct_ref::cleanup();
   }
+  /*
+    TODO move these val_*_result function to Item_dierct_ref (maybe)
+  */
+  double val_result();
+  longlong val_int_result();
+  String *str_result(String* tmp);
+  my_decimal *val_decimal_result(my_decimal *val);
+  bool val_bool_result();
+
   Item *get_copy(THD *thd, MEM_ROOT *mem_root)
   { return get_item_copy<Item_direct_view_ref>(thd, mem_root, this); }
 };

sql/sql_lex.cc

@@ -4249,7 +4249,7 @@ void SELECT_LEX::update_used_tables()
   }
 
   Item *item;
-  List_iterator_fast<Item> it(join->fields_list);
+  List_iterator_fast<Item> it(join->all_fields);
   select_list_tables= 0;
   while ((item= it++))
   {