Added test to show bug in current union implementation

After merge fixes
Portability fixes


client/mysqltest.c:
  Fixed that unget() is done properly (needed for QNX where one can't do many ungetc() in a row)
include/errmsg.h:
  After merge fixes
mysql-test/mysql-test-run.sh:
  merge fix
mysql-test/r/system_mysql_db.result:
  Updated results for 4.1
mysql-test/r/union.result:
  Added new test
mysql-test/t/derived.test:
  Portability fix (for Mac OS X)
mysql-test/t/system_mysql_db_refs.test:
  Remove warnings
mysql-test/t/union.test:
  Added test to show bug in current union implementation (to be fixed in 4.1)
scripts/mysql_create_system_tables.sh:
  Fix wrong column define
scripts/mysql_fix_privilege_tables.sh:
  Fix for mysql-test-run
scripts/mysql_fix_privilege_tables.sql:
  Merge with 4.0 to get comments.
  Updated so that it works with privilege tables for MySQL 3.23.
sql/repl_failsafe.cc:
  After merge fix

mysql-test/mysql-test-run.sh

@@ -511,7 +511,7 @@ fi
 
 MYSQL_DUMP="$MYSQL_DUMP --no-defaults -uroot --socket=$MASTER_MYSOCK --password=$DBPASSWD $EXTRA_MYSQLDUMP_OPT"
 MYSQL_BINLOG="$MYSQL_BINLOG --no-defaults --local-load=$MYSQL_TMP_DIR $EXTRA_MYSQLBINLOG_OPT"
-MYSQL_FIX_SYSTEM_TABLES="$MYSQL_FIX_SYSTEM_TABLES --host=localhost --port=$MASTER_MYPORT --socket=$MASTER_MYSOCK --user=root --password=$DBPASSWD --bindir=$CLIENT_BINDIR"
+MYSQL_FIX_SYSTEM_TABLES="$MYSQL_FIX_SYSTEM_TABLES --host=localhost --port=$MASTER_MYPORT --socket=$MASTER_MYSOCK --user=root --password=$DBPASSWD --basedir=$BASEDIR --bindir=$CLIENT_BINDIR --verbose=1"
 MYSQL="$MYSQL --host=localhost --port=$MASTER_MYPORT --socket=$MASTER_MYSOCK --user=root --password=$DBPASSWD"
 export MYSQL MYSQL_DUMP MYSQL_BINLOG MYSQL_FIX_SYSTEM_TABLES CLIENT_BINDIR
 

mysql-test/r/system_mysql_db.result

@@ -3,6 +3,10 @@ Tables_in_db
 columns_priv
 db
 func
+help_category
+help_keyword
+help_relation
+help_topic
 host
 tables_priv
 user
@@ -26,7 +30,7 @@ db	CREATE TABLE `db` (
   `Lock_tables_priv` enum('N','Y') NOT NULL default 'N',
   PRIMARY KEY  (`Host`,`Db`,`User`),
   KEY `User` (`User`)
-) TYPE=MyISAM COMMENT='Database privileges'
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 COMMENT='Database privileges'
 show create table host;
 Table	Create Table
 host	CREATE TABLE `host` (
@@ -45,13 +49,13 @@ host	CREATE TABLE `host` (
   `Create_tmp_table_priv` enum('N','Y') NOT NULL default 'N',
   `Lock_tables_priv` enum('N','Y') NOT NULL default 'N',
   PRIMARY KEY  (`Host`,`Db`)
-) TYPE=MyISAM COMMENT='Host privileges;  Merged with database privileges'
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 COMMENT='Host privileges;  Merged with database privileges'
 show create table user;
 Table	Create Table
 user	CREATE TABLE `user` (
   `Host` varchar(60) binary NOT NULL default '',
   `User` varchar(16) binary NOT NULL default '',
-  `Password` varchar(16) binary NOT NULL default '',
+  `Password` varchar(41) binary NOT NULL default '',
   `Select_priv` enum('N','Y') NOT NULL default 'N',
   `Insert_priv` enum('N','Y') NOT NULL default 'N',
   `Update_priv` enum('N','Y') NOT NULL default 'N',
@@ -81,16 +85,16 @@ user	CREATE TABLE `user` (
   `max_updates` int(11) unsigned NOT NULL default '0',
   `max_connections` int(11) unsigned NOT NULL default '0',
   PRIMARY KEY  (`Host`,`User`)
-) TYPE=MyISAM COMMENT='Users and global privileges'
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 COMMENT='Users and global privileges'
 show create table func;
 Table	Create Table
 func	CREATE TABLE `func` (
-  `name` char(64) NOT NULL default '',
+  `name` char(64) binary NOT NULL default '',
   `ret` tinyint(1) NOT NULL default '0',
   `dl` char(128) NOT NULL default '',
   `type` enum('function','aggregate') NOT NULL default 'function',
   PRIMARY KEY  (`name`)
-) TYPE=MyISAM COMMENT='User defined functions'
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 COMMENT='User defined functions'
 show create table tables_priv;
 Table	Create Table
 tables_priv	CREATE TABLE `tables_priv` (
@@ -99,12 +103,12 @@ tables_priv	CREATE TABLE `tables_priv` (
   `User` char(16) binary NOT NULL default '',
   `Table_name` char(64) binary NOT NULL default '',
   `Grantor` char(77) NOT NULL default '',
-  `Timestamp` timestamp(14) NOT NULL,
+  `Timestamp` timestamp NOT NULL,
   `Table_priv` set('Select','Insert','Update','Delete','Create','Drop','Grant','References','Index','Alter') NOT NULL default '',
   `Column_priv` set('Select','Insert','Update','References') NOT NULL default '',
   PRIMARY KEY  (`Host`,`Db`,`User`,`Table_name`),
   KEY `Grantor` (`Grantor`)
-) TYPE=MyISAM COMMENT='Table privileges'
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 COMMENT='Table privileges'
 show create table columns_priv;
 Table	Create Table
 columns_priv	CREATE TABLE `columns_priv` (
@@ -113,7 +117,7 @@ columns_priv	CREATE TABLE `columns_priv` (
   `User` char(16) binary NOT NULL default '',
   `Table_name` char(64) binary NOT NULL default '',
   `Column_name` char(64) binary NOT NULL default '',
-  `Timestamp` timestamp(14) NOT NULL,
+  `Timestamp` timestamp NOT NULL,
   `Column_priv` set('Select','Insert','Update','References') NOT NULL default '',
   PRIMARY KEY  (`Host`,`Db`,`User`,`Table_name`,`Column_name`)
-) TYPE=MyISAM COMMENT='Column privileges'
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 COMMENT='Column privileges'

mysql-test/r/union.result

@@ -907,3 +907,18 @@ n
 9
 10
 drop  table t1;
+create table t1 (i int);
+insert into t1 values (1);
+select * from t1 UNION select * from t1;
+i
+1
+select * from t1 UNION ALL select * from t1;
+i
+1
+1
+select * from t1 UNION select * from t1 UNION ALL select * from t1;
+i
+1
+1
+1
+drop table t1;

mysql-test/t/derived.test

@@ -157,7 +157,8 @@ UPDATE `t1` AS P1 INNER JOIN (SELECT N FROM `t1` GROUP BY N HAVING Count(M) > 1)
 UPDATE `t1` AS P1 INNER JOIN (SELECT aaaa FROM `t1` GROUP BY N HAVING Count(M) > 1) AS P2 ON P1.N = P2.N SET P1.M = 2;
 delete P1.* from `t1` AS P1 INNER JOIN (SELECT N FROM `t1` GROUP BY N HAVING Count(M) > 1) AS P2 ON P1.N = P2.N;
 select * from t1;
--- error 1288
+--error 1288
+--replace_result P2 p2
 delete P1.*,P2.* from `t1` AS P1 INNER JOIN (SELECT N FROM `t1` GROUP BY N HAVING Count(M) > 1) AS P2 ON P1.N = P2.N;
 -- error 1054
 delete P1.* from `t1` AS P1 INNER JOIN (SELECT aaa FROM `t1` GROUP BY N HAVING Count(M) > 1) AS P2 ON P1.N = P2.N;

mysql-test/t/system_mysql_db_refs.test

@@ -10,27 +10,39 @@ set @name="This is a very long string, that mustn't find room in a system field
 
 create table test_db select * from mysql.db;
 delete from test_db;
+--disable_warnings
 insert into test_db (Host,Db,User) values (@name,@name,@name);
+--enable_warnings
 
 create table test_host select * from mysql.host;
 delete from test_host;
+--disable_warnings
 insert into test_host (Host,Db) values (@name,@name);
+--enable_warnings
 
 create table test_user select * from mysql.user;
 delete from test_user;
+--disable_warnings
 insert into test_user (Host,User) values (@name,@name);
+--enable_warnings
 
 create table test_func select * from mysql.func;
 delete from test_func;
+--disable_warnings
 insert into test_func (name) values (@name);
+--enable_warnings
 
 create table test_tables_priv select * from mysql.tables_priv;
 delete from test_tables_priv;
+--disable_warnings
 insert into test_tables_priv (Host,Db,User,Table_name) values (@name,@name,@name,@name);
+--enable_warnings
 
 create table test_columns_priv select * from mysql.columns_priv;
 delete from test_columns_priv;
+--disable_warnings
 insert into test_columns_priv (Host,Db,User,Table_name,Column_name) values (@name,@name,@name,@name,@name);
+--enable_warnings
 
 # 'Host' field must be the same for all the tables:
 

mysql-test/t/union.test

@@ -483,3 +483,16 @@ select col1 n from t1 union select col2 n from t1 order by n;
 alter table t1 add index myindex (col2);
 select col1 n from t1 union select col2 n from t1 order by n;
 drop  table t1;
+
+#
+# Bug #1428, incorrect handling of UNION ALL
+# NOTE: The current result is wrong, needs to be fixed!
+#
+
+create table t1 (i int);
+insert into t1 values (1);
+select * from t1 UNION select * from t1;
+select * from t1 UNION ALL select * from t1;
+# The following should return 2 lines
+select * from t1 UNION select * from t1 UNION ALL select * from t1;
+drop table t1;