new EXPLAIN

fixed bug in mysql-test/create-test-result
fixed bug in union-subselect engine


mysql-test/create-test-result:
  fixed bug in reject file name assembling
mysql-test/r/compare.result:
  new EXPLAIN
mysql-test/r/create.result:
  new EXPLAIN
mysql-test/r/distinct.result:
  new EXPLAIN
mysql-test/r/explain.result:
  new EXPLAIN
mysql-test/r/group_by.result:
  new EXPLAIN
mysql-test/r/heap.result:
  new EXPLAIN
mysql-test/r/heap_btree.result:
  new EXPLAIN
mysql-test/r/heap_hash.result:
  new EXPLAIN
mysql-test/r/innodb.result:
  new EXPLAIN
mysql-test/r/join_outer.result:
  new EXPLAIN
mysql-test/r/key_diff.result:
  new EXPLAIN
mysql-test/r/key_primary.result:
  new EXPLAIN
mysql-test/r/merge.result:
  new EXPLAIN
mysql-test/r/myisam.result:
  new EXPLAIN
mysql-test/r/null_key.result:
  new EXPLAIN
mysql-test/r/odbc.result:
  new EXPLAIN
mysql-test/r/order_by.result:
  new EXPLAIN
mysql-test/r/range.result:
  new EXPLAIN
mysql-test/r/select.result:
  new EXPLAIN
mysql-test/r/subselect.result:
  new EXPLAIN
mysql-test/r/type_datetime.result:
  new EXPLAIN
mysql-test/r/union.result:
  new EXPLAIN
mysql-test/r/user_var.result:
  new EXPLAIN
mysql-test/r/varbinary.result:
  new EXPLAIN
mysql-test/t/subselect.test:
  new EXPLAIN
mysql-test/t/union.test:
  new EXPLAIN
sql/mysql_priv.h:
  new EXPLAIN
sql/sql_class.cc:
  new EXPLAIN
sql/sql_class.h:
  new EXPLAIN
sql/sql_derived.cc:
  new EXPLAIN
sql/sql_lex.h:
  new EXPLAIN
sql/sql_parse.cc:
  new EXPLAIN
sql/sql_select.cc:
  new EXPLAIN
sql/sql_union.cc:
  fixed bug in subselect-UNION engine
sql/table.h:
  new EXPLAIN

1 files changed, 17 insertions, 21 deletions

diff --git a/mysql-test/r/union.result b/mysql-test/r/union.result
index 29b925b6746..86f62d11bdb 100644
--- a/mysql-test/r/union.result
+++ b/mysql-test/r/union.result
@@ -85,35 +85,31 @@ a	b
 2	b
 1	a
 explain (select a,b from t1 limit 2)  union all (select a,b from t2 order by a limit 1) order by b desc;
-table	type	possible_keys	key	key_len	ref	rows	Extra
-t1	ALL	NULL	NULL	NULL	NULL	4	
-t2	ALL	NULL	NULL	NULL	NULL	4	Using filesort
-(select sql_calc_found_rows  a,b from t1 limit 2)  union all (select a,b from t2 order by a) limit 2;
-a	b
-1	a
-2	b
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	FIRST	t1	ALL	NULL	NULL	NULL	NULL	4	
+2	UNION	t2	ALL	NULL	NULL	NULL	NULL	4	Using filesort
 select found_rows();
 FOUND_ROWS()
-6
+0
 explain select a,b from t1 union all select a,b from t2;
-table	type	possible_keys	key	key_len	ref	rows	Extra
-t1	ALL	NULL	NULL	NULL	NULL	4	
-t2	ALL	NULL	NULL	NULL	NULL	4	
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	FIRST	t1	ALL	NULL	NULL	NULL	NULL	4	
+2	UNION	t2	ALL	NULL	NULL	NULL	NULL	4	
 explain select xx from t1 union select 1;
 Unknown column 'xx' in 'field list'
 explain select a,b from t1 union select 1;
-table	type	possible_keys	key	key_len	ref	rows	Extra
-t1	ALL	NULL	NULL	NULL	NULL	4	
-				0		0	No tables used
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	FIRST	t1	ALL	NULL	NULL	NULL	NULL	4	
+2	UNION								No tables used
 explain select 1 union select a,b from t1 union select 1;
-table	type	possible_keys	key	key_len	ref	rows	Extra
-				0		0	No tables used
-t1	ALL	NULL	NULL	NULL	NULL	4	
-				0		0	No tables used
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	FIRST								No tables used
+2	UNION	t1	ALL	NULL	NULL	NULL	NULL	4	
+3	UNION								No tables used
 explain select a,b from t1 union select 1 limit 0;
-table	type	possible_keys	key	key_len	ref	rows	Extra
-t1	ALL	NULL	NULL	NULL	NULL	4	
-				0		0	Impossible WHERE
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	FIRST								Impossible WHERE
+2	UNION								Impossible WHERE
 select a,b from t1 into outfile 'skr' union select a,b from t2;
 Wrong usage of UNION and INTO
 select a,b from t1 order by a union select a,b from t2;