Merge rkalimullin@bk-internal.mysql.com:/home/bk/mysql-4.1

into gw.mysql.r18.ru:/usr/home/ram/work/4.1.b7281


sql/item_func.cc:
  Auto merged

mysql-test/r/func_concat.result

@@ -32,3 +32,39 @@ select * from t1 where concat(A,C,B,D) = 'AAAA2003-03-011051';
 a	b	c	d
 AAAA	105	2003-03-01	1
 drop table t1;
+select 'a' union select concat('a', -4);
+a
+a
+a-4
+select 'a' union select concat('a', -4.5);
+a
+a
+a-4.5
+select 'a' union select concat('a', -(4 + 1));
+a
+a
+a-5
+select 'a' union select concat('a', 4 - 5);
+a
+a
+a-1
+select 'a' union select concat('a', -'3');
+a
+a
+a-3
+select 'a' union select concat('a', -concat('3',4));
+a
+a
+a-34
+select 'a' union select concat('a', -0);
+a
+a
+a0
+select 'a' union select concat('a', -0.0);
+a
+a
+a-0.0
+select 'a' union select concat('a', -0.0000);
+a
+a
+a-0.0000

mysql-test/r/merge.result

@@ -651,3 +651,28 @@ ERROR HY000: You can't specify target table 't1' for update in FROM clause
 create table t3 engine=merge union=(t1, t2) select * from t2;
 ERROR HY000: You can't specify target table 't2' for update in FROM clause
 drop table t1, t2;
+create table t1 (a int,b int,c int, index (a,b,c));
+create table t2 (a int,b int,c int, index (a,b,c));
+create table t3 (a int,b int,c int, index (a,b,c))
+engine=merge union=(t1 ,t2);
+insert into t1 (a,b,c) values (1,1,0),(1,2,0);
+insert into t2 (a,b,c) values (1,1,1),(1,2,1);
+explain select a,b,c from t3 force index (a) where a=1 order by a,b,c;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t3	ref	a	a	5	const	2	Using where; Using index
+select a,b,c from t3 force index (a) where a=1 order by a,b,c;
+a	b	c
+1	1	0
+1	1	1
+1	2	0
+1	2	1
+explain select a,b,c from t3 force index (a) where a=1 order by a desc, b desc, c desc;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t3	ref	a	a	5	const	2	Using where; Using index
+select a,b,c from t3 force index (a) where a=1 order by a desc, b desc, c desc;
+a	b	c
+1	2	1
+1	2	0
+1	1	1
+1	1	0
+drop table t1, t2, t3;

mysql-test/r/metadata.result

@@ -3,7 +3,7 @@ select 1, 1.0, -1, "hello", NULL;
 Catalog	Database	Table	Table_alias	Column	Column_alias	Name	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr
 def					1	8	1	1	N	32769	0	8
 def					1.0	5	3	3	N	32769	1	8
-def					-1	8	1	2	N	32769	0	8
+def					-1	8	2	2	N	32769	0	8
 def					hello	254	5	5	N	1	31	8
 def					NULL	6	0	0	Y	32896	0	63
 1	1.0	-1	hello	NULL

mysql-test/t/func_concat.test

@@ -34,3 +34,19 @@ create table t1 (a char(4), b double, c date, d tinyint(4));
 insert into t1 values ('AAAA', 105, '2003-03-01', 1);
 select * from t1 where concat(A,C,B,D) = 'AAAA2003-03-011051';
 drop table t1;
+
+# BUG#6825 
+select 'a' union select concat('a', -4);
+select 'a' union select concat('a', -4.5);
+
+select 'a' union select concat('a', -(4 + 1));
+select 'a' union select concat('a', 4 - 5);
+
+select 'a' union select concat('a', -'3');
+select 'a' union select concat('a', -concat('3',4));
+
+select 'a' union select concat('a', -0);
+select 'a' union select concat('a', -0.0);
+
+select 'a' union select concat('a', -0.0000);
+

mysql-test/t/merge.test

@@ -285,3 +285,21 @@ create table t3 engine=merge union=(t1, t2) select * from t1;
 --error 1093
 create table t3 engine=merge union=(t1, t2) select * from t2;
 drop table t1, t2;
+
+# BUG#6699 : no sorting on 'ref' retrieval 
+create table t1 (a int,b int,c int, index (a,b,c));
+create table t2 (a int,b int,c int, index (a,b,c));
+create table t3 (a int,b int,c int, index (a,b,c))
+  engine=merge union=(t1 ,t2);
+insert into t1 (a,b,c) values (1,1,0),(1,2,0);
+insert into t2 (a,b,c) values (1,1,1),(1,2,1);
+
+explain select a,b,c from t3 force index (a) where a=1 order by a,b,c;
+select a,b,c from t3 force index (a) where a=1 order by a,b,c;
+
+# this actually wasn't affected:
+explain select a,b,c from t3 force index (a) where a=1 order by a desc, b desc, c desc;
+select a,b,c from t3 force index (a) where a=1 order by a desc, b desc, c desc;
+
+drop table t1, t2, t3;
+