Merge zippy.cornsilk.net:/home/cmiller/work/mysql/mysql-5.0-maint

into  zippy.cornsilk.net:/home/cmiller/work/mysql/mysql-5.1-maint

client/mysql.cc

@@ -2896,7 +2896,7 @@ com_connect(String *buffer, char *line)
   bzero(buff, sizeof(buff));
   if (buffer)
   {
-    strmake(buff, line, sizeof(buff));
+    strmake(buff, line, sizeof(buff) - 1);
     tmp= get_arg(buff, 0);
     if (tmp && *tmp)
     {
@@ -3011,7 +3011,7 @@ com_use(String *buffer __attribute__((unused)), char *line)
   int select_db;
 
   bzero(buff, sizeof(buff));
-  strmov(buff, line);
+  strmake(buff, line, sizeof(buff) - 1);
   tmp= get_arg(buff, 0);
   if (!tmp || !*tmp)
   {

mysql-test/r/ctype_utf8.result

@@ -1353,6 +1353,18 @@ database()
 имя_базы_в_кодировке_утф8_длиной_больше_чем_45
 drop database имя_базы_в_кодировке_утф8_длиной_больше_чем_45;
 use test;
+create table t1(a char(10)) default charset utf8;
+insert into t1 values ('123'), ('456');
+explain
+select substr(Z.a,-1), Z.a from t1 as Y join t1 as Z on Y.a=Z.a order by 1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	Y	ALL	NULL	NULL	NULL	NULL	2	Using temporary; Using filesort
+1	SIMPLE	Z	ALL	NULL	NULL	NULL	NULL	2	Using where
+select substr(Z.a,-1), Z.a from t1 as Y join t1 as Z on Y.a=Z.a order by 1;
+substr(Z.a,-1)	a
+3	123
+6	456
+drop table t1;
 CREATE TABLE t1(id varchar(20) NOT NULL) DEFAULT CHARSET=utf8;
 INSERT INTO t1 VALUES ('xxx'), ('aa'), ('yyy'), ('aa');
 SELECT id FROM t1;

mysql-test/r/func_time.result

@@ -890,6 +890,18 @@ t1	CREATE TABLE `t1` (
   `from_unixtime(1) + 0` double(23,6) DEFAULT NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 drop table t1;
+SET NAMES latin1;
+SET character_set_results = NULL;
+SHOW VARIABLES LIKE 'character_set_results';
+Variable_name	Value
+character_set_results	
+CREATE TABLE testBug8868 (field1 DATE, field2 VARCHAR(32) CHARACTER SET BINARY);
+INSERT INTO testBug8868 VALUES ('2006-09-04', 'abcd');
+SELECT DATE_FORMAT(field1,'%b-%e %l:%i%p') as fmtddate, field2 FROM testBug8868;
+fmtddate	field2
+Sep-4 12:00AM	abcd
+DROP TABLE testBug8868;
+SET NAMES DEFAULT;
 (select time_format(timediff(now(), DATE_SUB(now(),INTERVAL 5 DAY)),'%H') As H)
 union
 (select time_format(timediff(now(), DATE_SUB(now(),INTERVAL 5 DAY)),'%H') As H);

mysql-test/t/ctype_utf8.test

@@ -1086,6 +1086,17 @@ select database();
 drop database имя_базы_в_кодировке_утф8_длиной_больше_чем_45;
 use test;
 
+#
+# Bug #20204: "order by" changes the results returned
+#
+
+create table t1(a char(10)) default charset utf8;
+insert into t1 values ('123'), ('456');
+explain
+  select substr(Z.a,-1), Z.a from t1 as Y join t1 as Z on Y.a=Z.a order by 1;
+select substr(Z.a,-1), Z.a from t1 as Y join t1 as Z on Y.a=Z.a order by 1;
+drop table t1;
+
 # End of 4.1 tests
 
 #

mysql-test/t/func_time.test

@@ -446,6 +446,25 @@ create table t1 select now() - now(), curtime() - curtime(),
 show create table t1;
 drop table t1;
 
+#
+# 21913: DATE_FORMAT() Crashes mysql server if I use it through
+#        mysql-connector-j driver.
+#
+
+SET NAMES latin1;
+SET character_set_results = NULL;
+SHOW VARIABLES LIKE 'character_set_results';
+
+CREATE TABLE testBug8868 (field1 DATE, field2 VARCHAR(32) CHARACTER SET BINARY);
+INSERT INTO testBug8868 VALUES ('2006-09-04', 'abcd');
+
+SELECT DATE_FORMAT(field1,'%b-%e %l:%i%p') as fmtddate, field2 FROM testBug8868;
+
+DROP TABLE testBug8868;
+
+SET NAMES DEFAULT;
+
+
 #
 # Bug #19844 time_format in Union truncates values
 #

sql/item_strfunc.cc

@@ -1149,12 +1149,13 @@ void Item_func_substr::fix_length_and_dec()
   }
   if (arg_count == 3 && args[2]->const_item())
   {
-    int32 length= (int32) args[2]->val_int() * collation.collation->mbmaxlen;
+    int32 length= (int32) args[2]->val_int();
     if (length <= 0)
       max_length=0; /* purecov: inspected */
     else
       set_if_smaller(max_length,(uint) length);
   }
+  max_length*= collation.collation->mbmaxlen;
 }