Merge bk-internal.mysql.com:/home/bk/mysql-5.1-engines

into  chilla.local:/home/mydev/mysql-5.1-axmrg


sql/mysql_priv.h:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_servers.h:
  Auto merged
storage/federated/ha_federated.cc:
  Auto merged
storage/heap/ha_heap.cc:
  Auto merged
storage/myisam/ha_myisam.cc:
  Auto merged
sql/sql_servers.cc:
  Manual merge

mysql-test/r/federated_server.result

@@ -20,6 +20,14 @@ CREATE TABLE first_db.t1 (
 `name` varchar(64) NOT NULL default ''
     )
 DEFAULT CHARSET=latin1;
+DROP TABLE IF EXISTS first_db.t2;
+Warnings:
+Note	1051	Unknown table 't2'
+CREATE TABLE first_db.t2 (
+`id` int(20) NOT NULL,
+`name` varchar(64) NOT NULL default ''
+    )
+DEFAULT CHARSET=latin1;
 use second_db;
 DROP TABLE IF EXISTS second_db.t1;
 Warnings:
@@ -29,6 +37,14 @@ CREATE TABLE second_db.t1 (
 `name` varchar(64) NOT NULL default ''
     )
 DEFAULT CHARSET=latin1;
+DROP TABLE IF EXISTS second_db.t2;
+Warnings:
+Note	1051	Unknown table 't2'
+CREATE TABLE second_db.t2 (
+`id` int(20) NOT NULL,
+`name` varchar(64) NOT NULL default ''
+    )
+DEFAULT CHARSET=latin1;
 drop server if exists 'server_one';
 create server 'server_one' foreign data wrapper 'mysql' options
 (HOST '127.0.0.1',
@@ -60,10 +76,10 @@ CREATE TABLE federated.old (
     )
 ENGINE="FEDERATED" DEFAULT CHARSET=latin1
 CONNECTION='mysql://root@127.0.0.1:SLAVE_PORT/first_db/t1';
-INSERT INTO federated.old (id, name) values (1, 'federated.old url');
+INSERT INTO federated.old (id, name) values (1, 'federated.old-> first_db.t1, url format');
 SELECT * FROM federated.old;
 id	name
-1	federated.old url
+1	federated.old-> first_db.t1, url format
 DROP TABLE IF EXISTS federated.old2;
 Warnings:
 Note	1051	Unknown table 'old2'
@@ -72,8 +88,37 @@ CREATE TABLE federated.old2 (
 `name` varchar(64) NOT NULL default ''
     )
 ENGINE="FEDERATED" DEFAULT CHARSET=latin1
+CONNECTION='mysql://root@127.0.0.1:SLAVE_PORT/first_db/t2';
+INSERT INTO federated.old2 (id, name) values (1, 'federated.old2-> first_db.t2, url format');
+SELECT * FROM federated.old2;
+id	name
+1	federated.old2-> first_db.t2, url format
+DROP TABLE IF EXISTS federated.urldb2t1;
+Warnings:
+Note	1051	Unknown table 'urldb2t1'
+CREATE TABLE federated.urldb2t1 (
+`id` int(20) NOT NULL,
+`name` varchar(64) NOT NULL default ''
+    )
+ENGINE="FEDERATED" DEFAULT CHARSET=latin1
 CONNECTION='mysql://root@127.0.0.1:SLAVE_PORT/second_db/t1';
-INSERT INTO federated.old2 (id, name) values (1, 'federated.old2 url');
+INSERT INTO federated.urldb2t1 (id, name) values (1, 'federated.urldb2t1 -> second_db.t1, url format');
+SELECT * FROM federated.urldb2t1;
+id	name
+1	federated.urldb2t1 -> second_db.t1, url format
+DROP TABLE IF EXISTS federated.urldb2t2;
+Warnings:
+Note	1051	Unknown table 'urldb2t2'
+CREATE TABLE federated.urldb2t2 (
+`id` int(20) NOT NULL,
+`name` varchar(64) NOT NULL default ''
+    )
+ENGINE="FEDERATED" DEFAULT CHARSET=latin1
+CONNECTION='mysql://root@127.0.0.1:SLAVE_PORT/second_db/t2';
+INSERT INTO federated.urldb2t2 (id, name) values (1, 'federated.urldb2t2 -> second_db.t2, url format');
+SELECT * FROM federated.urldb2t2;
+id	name
+1	federated.urldb2t2 -> second_db.t2, url format
 DROP TABLE IF EXISTS federated.t1;
 Warnings:
 Note	1051	Unknown table 't1'
@@ -83,18 +128,38 @@ CREATE TABLE federated.t1 (
     )
 ENGINE="FEDERATED" DEFAULT CHARSET=latin1
 CONNECTION='server_one';
-INSERT INTO federated.t1 (id, name) values (1, 'server_one, new scheme');
+INSERT INTO federated.t1 (id, name) values (1, 'server_one, new scheme, first_db.t1');
 SELECT * FROM federated.t1;
 id	name
-1	federated.old url
-1	server_one, new scheme
+1	federated.old-> first_db.t1, url format
+1	server_one, new scheme, first_db.t1
+DROP TABLE IF EXISTS federated.whatever;
+Warnings:
+Note	1051	Unknown table 'whatever'
+CREATE TABLE federated.whatever (
+`id` int(20) NOT NULL,
+`name` varchar(64) NOT NULL default ''
+    )
+ENGINE="FEDERATED" DEFAULT CHARSET=latin1
+CONNECTION='server_one/t1';
+INSERT INTO federated.whatever (id, name) values (1, 'server_one, new scheme, whatever, first_db.t1');
+SELECT * FROM federated.whatever;
+id	name
+1	federated.old-> first_db.t1, url format
+1	server_one, new scheme, first_db.t1
+1	server_one, new scheme, whatever, first_db.t1
 ALTER SERVER 'server_one' options(DATABASE 'second_db');
-flush tables;
-INSERT INTO federated.t1 (id, name) values (1, 'server_two, new scheme');
+INSERT INTO federated.t1 (id, name) values (1, 'server_two, new scheme, second_db.t1');
 SELECT * FROM federated.t1;
 id	name
-1	federated.old2 url
-1	server_two, new scheme
+1	federated.urldb2t1 -> second_db.t1, url format
+1	server_two, new scheme, second_db.t1
+INSERT INTO federated.whatever (id, name) values (1, 'server_two, new scheme, whatever, second_db.t1');
+SELECT * FROM federated.whatever;
+id	name
+1	federated.urldb2t1 -> second_db.t1, url format
+1	server_two, new scheme, second_db.t1
+1	server_two, new scheme, whatever, second_db.t1
 drop table federated.t1;
 drop server 'server_one';
 drop server 'server_two';
@@ -104,6 +169,116 @@ drop table first_db.t1;
 drop table second_db.t1;
 drop database first_db;
 drop database second_db;
+create database db_legitimate;
+create database db_bogus;
+use db_legitimate;
+CREATE TABLE db_legitimate.t1 (
+`id` int(20) NOT NULL,
+`name` varchar(64) NOT NULL default ''
+    );
+INSERT INTO db_legitimate.t1 VALUES ('1','this is legitimate');
+use db_bogus;
+CREATE TABLE db_bogus.t1 (
+`id` int(20) NOT NULL,
+`name` varchar(64) NOT NULL default ''
+    )
+;
+INSERT INTO db_bogus.t1 VALUES ('2','this is bogus');
+create server 's1' foreign data wrapper 'mysql' options
+(HOST '127.0.0.1',
+DATABASE 'db_legitimate',
+USER 'root',
+PASSWORD '',
+PORT SLAVE_PORT,
+SOCKET '',
+OWNER 'root');
+create user guest_select@localhost;
+grant select on federated.* to guest_select@localhost;
+create user guest_super@localhost;
+grant select,SUPER,RELOAD on *.* to guest_super@localhost;
+create user guest_usage@localhost;
+grant usage on *.* to guest_usage@localhost;
+CREATE TABLE federated.t1 (
+`id` int(20) NOT NULL,
+`name` varchar(64) NOT NULL default ''
+    ) ENGINE = FEDERATED CONNECTION = 's1';
+select * from federated.t1;
+id	name
+1	this is legitimate
+alter server s1 options (database 'db_bogus');
+ERROR 42000: Access denied; you need the SUPER privilege for this operation
+flush tables;
+select * from federated.t1;
+id	name
+1	this is legitimate
+alter server s1 options (database 'db_bogus');
+ERROR 42000: Access denied; you need the SUPER privilege for this operation
+flush tables;
+select * from federated.t1;
+id	name
+1	this is legitimate
+alter server s1 options (database 'db_bogus');
+flush tables;
+select * from federated.t1;
+id	name
+2	this is bogus
+drop server if exists 's1';
+ERROR 42000: Access denied; you need the SUPER privilege for this operation
+create server 's1' foreign data wrapper 'mysql' options
+(HOST '127.0.0.1',
+DATABASE 'db_legitimate',
+USER 'root',
+PASSWORD '',
+PORT SLAVE_PORT,
+SOCKET '',
+OWNER 'root');
+ERROR 42000: Access denied; you need the SUPER privilege for this operation
+drop server 's1';
+create server 's1' foreign data wrapper 'mysql' options
+(HOST '127.0.0.1',
+DATABASE 'db_legitimate',
+USER 'root',
+PASSWORD '',
+PORT SLAVE_PORT,
+SOCKET '',
+OWNER 'root');
+flush tables;
+select * from federated.t1;
+id	name
+1	this is legitimate
+drop database db_legitimate;
+drop database db_bogus;
+drop user guest_super@localhost;
+drop user guest_usage@localhost;
+drop user guest_select@localhost;
+drop table federated.t1;
+drop server 's1';
+# End of 5.1 tests
+use test;
+create procedure p1 ()
+begin
+DECLARE v INT DEFAULT 0;
+DECLARE e INT DEFAULT 0;
+DECLARE CONTINUE HANDLER FOR SQLEXCEPTION SET e = e + 1;
+WHILE v < 10000 do
+CREATE SERVER s
+FOREIGN DATA WRAPPER mysql
+OPTIONS (USER 'Remote', HOST '192.168.1.106', DATABASE 'test');
+ALTER SERVER s OPTIONS (USER 'Remote');
+DROP SERVER s;
+SET v = v + 1;
+END WHILE;
+SELECT e > 0;
+END//
+use test;
+call p1();
+call p1();
+e > 0
+1
+e > 0
+1
+drop procedure p1;
+drop server if exists s;
 DROP TABLE IF EXISTS federated.t1;
 DROP DATABASE IF EXISTS federated;
 DROP TABLE IF EXISTS federated.t1;

mysql-test/r/heap_btree.result

@@ -280,6 +280,33 @@ a
 1
 1
 drop table t1;
+CREATE TABLE t1 (
+c1 CHAR(3),
+c2 INTEGER,
+KEY USING BTREE(c1),
+KEY USING BTREE(c2)
+) ENGINE= MEMORY;
+INSERT INTO t1 VALUES ('ABC',0), ('A',0), ('B',0), ('C',0);
+UPDATE t1 SET c2= c2 + 1 WHERE c1 = 'A';
+SELECT * FROM t1;
+c1	c2
+ABC	0
+A	1
+B	0
+C	0
+DROP TABLE t1;
+CREATE TABLE t1 (
+c1 ENUM('1', '2'),
+UNIQUE USING BTREE(c1)
+) ENGINE= MEMORY DEFAULT CHARSET= utf8;
+INSERT INTO t1 VALUES('1'), ('2');
+DROP TABLE t1;
+CREATE TABLE t1 (
+c1 SET('1', '2'),
+UNIQUE USING BTREE(c1)
+) ENGINE= MEMORY DEFAULT CHARSET= utf8;
+INSERT INTO t1 VALUES('1'), ('2');
+DROP TABLE t1;
 End of 4.1 tests
 CREATE TABLE t1(val INT, KEY USING BTREE(val)) ENGINE=memory;
 INSERT INTO t1 VALUES(0);

mysql-test/t/federated_server.test

@@ -17,6 +17,13 @@ CREATE TABLE first_db.t1 (
     )
   DEFAULT CHARSET=latin1;
 
+DROP TABLE IF EXISTS first_db.t2;
+CREATE TABLE first_db.t2 (
+    `id` int(20) NOT NULL,
+    `name` varchar(64) NOT NULL default ''
+    )
+  DEFAULT CHARSET=latin1;
+
 use second_db;
 DROP TABLE IF EXISTS second_db.t1;
 CREATE TABLE second_db.t1 (
@@ -25,6 +32,13 @@ CREATE TABLE second_db.t1 (
     )
   DEFAULT CHARSET=latin1;
 
+DROP TABLE IF EXISTS second_db.t2;
+CREATE TABLE second_db.t2 (
+    `id` int(20) NOT NULL,
+    `name` varchar(64) NOT NULL default ''
+    )
+  DEFAULT CHARSET=latin1;
+
 connection master;
 
 drop server if exists 'server_one';
@@ -61,7 +75,7 @@ eval CREATE TABLE federated.old (
   ENGINE="FEDERATED" DEFAULT CHARSET=latin1
   CONNECTION='mysql://root@127.0.0.1:$SLAVE_MYPORT/first_db/t1';
 
-INSERT INTO federated.old (id, name) values (1, 'federated.old url');
+INSERT INTO federated.old (id, name) values (1, 'federated.old-> first_db.t1, url format');
 
 SELECT * FROM federated.old;
 
@@ -72,9 +86,32 @@ eval CREATE TABLE federated.old2 (
     `name` varchar(64) NOT NULL default ''
     )
   ENGINE="FEDERATED" DEFAULT CHARSET=latin1
+  CONNECTION='mysql://root@127.0.0.1:$SLAVE_MYPORT/first_db/t2';
+
+INSERT INTO federated.old2 (id, name) values (1, 'federated.old2-> first_db.t2, url format');
+SELECT * FROM federated.old2;
+
+DROP TABLE IF EXISTS federated.urldb2t1;
+--replace_result $SLAVE_MYPORT SLAVE_PORT
+eval CREATE TABLE federated.urldb2t1 (
+    `id` int(20) NOT NULL,
+    `name` varchar(64) NOT NULL default ''
+    )
+  ENGINE="FEDERATED" DEFAULT CHARSET=latin1
   CONNECTION='mysql://root@127.0.0.1:$SLAVE_MYPORT/second_db/t1';
+INSERT INTO federated.urldb2t1 (id, name) values (1, 'federated.urldb2t1 -> second_db.t1, url format');
+SELECT * FROM federated.urldb2t1;
 
-INSERT INTO federated.old2 (id, name) values (1, 'federated.old2 url');
+DROP TABLE IF EXISTS federated.urldb2t2;
+--replace_result $SLAVE_MYPORT SLAVE_PORT
+eval CREATE TABLE federated.urldb2t2 (
+    `id` int(20) NOT NULL,
+    `name` varchar(64) NOT NULL default ''
+    )
+  ENGINE="FEDERATED" DEFAULT CHARSET=latin1
+  CONNECTION='mysql://root@127.0.0.1:$SLAVE_MYPORT/second_db/t2';
+INSERT INTO federated.urldb2t2 (id, name) values (1, 'federated.urldb2t2 -> second_db.t2, url format');
+SELECT * FROM federated.urldb2t2;
 
 DROP TABLE IF EXISTS federated.t1;
 CREATE TABLE federated.t1 (
@@ -84,17 +121,30 @@ CREATE TABLE federated.t1 (
   ENGINE="FEDERATED" DEFAULT CHARSET=latin1
   CONNECTION='server_one';
 
-INSERT INTO federated.t1 (id, name) values (1, 'server_one, new scheme');
+INSERT INTO federated.t1 (id, name) values (1, 'server_one, new scheme, first_db.t1');
 
 SELECT * FROM federated.t1;
 
+DROP TABLE IF EXISTS federated.whatever;
+CREATE TABLE federated.whatever (
+    `id` int(20) NOT NULL,
+    `name` varchar(64) NOT NULL default ''
+    )
+  ENGINE="FEDERATED" DEFAULT CHARSET=latin1
+  CONNECTION='server_one/t1';
+INSERT INTO federated.whatever (id, name) values (1, 'server_one, new scheme, whatever, first_db.t1');
+SELECT * FROM federated.whatever;
+
 ALTER SERVER 'server_one' options(DATABASE 'second_db');
 
-flush tables;
+# FLUSH TABLES is now unneccessary
 
-INSERT INTO federated.t1 (id, name) values (1, 'server_two, new scheme');
+INSERT INTO federated.t1 (id, name) values (1, 'server_two, new scheme, second_db.t1');
 SELECT * FROM federated.t1;
 
+INSERT INTO federated.whatever (id, name) values (1, 'server_two, new scheme, whatever, second_db.t1');
+SELECT * FROM federated.whatever;
+
 drop table federated.t1;
 
 drop server 'server_one';
@@ -107,4 +157,166 @@ drop table second_db.t1;
 drop database first_db;
 drop database second_db;
 
+#
+# Bug#25671 - CREATE/DROP/ALTER SERVER should require privileges
+#
+# Changes to SERVER declarations should require SUPER privilege.
+# Based upon test case by Giuseppe Maxia
+
+create database db_legitimate;
+create database db_bogus;
+
+use db_legitimate;
+CREATE TABLE db_legitimate.t1 (
+    `id` int(20) NOT NULL,
+    `name` varchar(64) NOT NULL default ''
+    );
+INSERT INTO db_legitimate.t1 VALUES ('1','this is legitimate');
+
+use db_bogus;
+CREATE TABLE db_bogus.t1 (
+    `id` int(20) NOT NULL,
+    `name` varchar(64) NOT NULL default ''
+    )
+  ;
+INSERT INTO db_bogus.t1 VALUES ('2','this is bogus');
+
+connection master;
+--replace_result $SLAVE_MYPORT SLAVE_PORT
+eval create server 's1' foreign data wrapper 'mysql' options
+  (HOST '127.0.0.1',
+  DATABASE 'db_legitimate',
+  USER 'root',
+  PASSWORD '',
+  PORT $SLAVE_MYPORT,
+  SOCKET '',
+  OWNER 'root');
+
+create user guest_select@localhost;
+grant select on federated.* to guest_select@localhost;
+
+create user guest_super@localhost;
+grant select,SUPER,RELOAD on *.* to guest_super@localhost;
+
+create user guest_usage@localhost;
+grant usage on *.* to guest_usage@localhost;
+
+CREATE TABLE federated.t1 (
+    `id` int(20) NOT NULL,
+    `name` varchar(64) NOT NULL default ''
+    ) ENGINE = FEDERATED CONNECTION = 's1';
+
+select * from federated.t1;
+
+connect (conn_select,127.0.0.1,guest_select,,federated,$MASTER_MYPORT);
+connect (conn_usage,127.0.0.1,guest_usage,,,$MASTER_MYPORT);
+connect (conn_super,127.0.0.1,guest_super,,,$MASTER_MYPORT);
+
+connection conn_select;
+--error ER_SPECIFIC_ACCESS_DENIED_ERROR
+alter server s1 options (database 'db_bogus');
+
+connection master;
+flush tables;
+select * from federated.t1;
+
+connection conn_usage;
+--error ER_SPECIFIC_ACCESS_DENIED_ERROR
+alter server s1 options (database 'db_bogus');
+
+connection master;
+flush tables;
+select * from federated.t1;
+
+connection conn_super;
+alter server s1 options (database 'db_bogus');
+
+connection master;
+flush tables;
+select * from federated.t1;
+
+connection conn_select;
+--error ER_SPECIFIC_ACCESS_DENIED_ERROR
+drop server if exists 's1';
+--replace_result $SLAVE_MYPORT SLAVE_PORT
+--error ER_SPECIFIC_ACCESS_DENIED_ERROR
+eval create server 's1' foreign data wrapper 'mysql' options
+  (HOST '127.0.0.1',
+  DATABASE 'db_legitimate',
+  USER 'root',
+  PASSWORD '',
+  PORT $SLAVE_MYPORT,
+  SOCKET '',
+  OWNER 'root');
+
+connection conn_super;
+drop server 's1';
+--replace_result $SLAVE_MYPORT SLAVE_PORT
+eval create server 's1' foreign data wrapper 'mysql' options
+  (HOST '127.0.0.1',
+  DATABASE 'db_legitimate',
+  USER 'root',
+  PASSWORD '',
+  PORT $SLAVE_MYPORT,
+  SOCKET '',
+  OWNER 'root');
+
+connection master;
+flush tables;
+select * from federated.t1;
+
+# clean up test
+connection slave;
+drop database db_legitimate;
+drop database db_bogus;
+
+disconnect conn_select;
+disconnect conn_usage;
+disconnect conn_super;
+
+connection master;
+drop user guest_super@localhost;
+drop user guest_usage@localhost;
+drop user guest_select@localhost;
+drop table federated.t1;
+drop server 's1';
+
+
+--echo # End of 5.1 tests
+
+
+#
+# Bug#25721 - deadlock with ALTER/CREATE SERVER
+#
+connect (other,localhost,root,,);
+connection master;
+use test;
+delimiter //;
+create procedure p1 ()
+begin
+  DECLARE v INT DEFAULT 0;
+  DECLARE e INT DEFAULT 0;
+  DECLARE CONTINUE HANDLER FOR SQLEXCEPTION SET e = e + 1;
+  WHILE v < 10000 do
+    CREATE SERVER s
+      FOREIGN DATA WRAPPER mysql
+      OPTIONS (USER 'Remote', HOST '192.168.1.106', DATABASE 'test');
+    ALTER SERVER s OPTIONS (USER 'Remote');
+	DROP SERVER s;
+    SET v = v + 1;
+  END WHILE;
+  SELECT e > 0;
+END//
+delimiter ;//
+connection other;
+use test;
+send call p1();
+connection master;
+call p1();
+connection other;
+reap;
+drop procedure p1;
+drop server if exists s;
+
+
 source include/federated_cleanup.inc;

mysql-test/t/heap_btree.test

@@ -182,6 +182,37 @@ delete from t1 where a >= 2;
 select a from t1 order by a;
 drop table t1;
 
+#
+# Bug#26996 - Update of a Field in a Memory Table ends with wrong result
+#
+CREATE TABLE t1 (
+  c1 CHAR(3),
+  c2 INTEGER,
+  KEY USING BTREE(c1),
+  KEY USING BTREE(c2)
+) ENGINE= MEMORY;
+INSERT INTO t1 VALUES ('ABC',0), ('A',0), ('B',0), ('C',0);
+UPDATE t1 SET c2= c2 + 1 WHERE c1 = 'A';
+SELECT * FROM t1;
+DROP TABLE t1;
+
+#
+# Bug#24985 - UTF8 ENUM primary key on MEMORY using BTREE
+#             causes incorrect duplicate entries
+#
+CREATE TABLE t1 (
+  c1 ENUM('1', '2'),
+  UNIQUE USING BTREE(c1)
+) ENGINE= MEMORY DEFAULT CHARSET= utf8;
+INSERT INTO t1 VALUES('1'), ('2');
+DROP TABLE t1;
+CREATE TABLE t1 (
+  c1 SET('1', '2'),
+  UNIQUE USING BTREE(c1)
+) ENGINE= MEMORY DEFAULT CHARSET= utf8;
+INSERT INTO t1 VALUES('1'), ('2');
+DROP TABLE t1;
+
 --echo End of 4.1 tests
 
 #

mysys/my_pread.c

@@ -37,7 +37,7 @@ uint my_pread(File Filedes, byte *Buffer, uint Count, my_off_t offset,
     errno=0;					/* Linux doesn't reset this */
 #endif
 #ifndef HAVE_PREAD
-    off_t old_offset;
+    os_off_t old_offset;
 
     pthread_mutex_lock(&my_file_info[Filedes].mutex);
     /*
@@ -45,7 +45,7 @@ uint my_pread(File Filedes, byte *Buffer, uint Count, my_off_t offset,
       before seeking to the given offset
     */
 
-    error= (old_offset= (off_t)lseek(Filedes, 0L, MY_SEEK_CUR)) == -1L ||
+    error= (old_offset= lseek(Filedes, 0L, MY_SEEK_CUR)) == -1L ||
            lseek(Filedes, offset, MY_SEEK_SET) == -1L;
 
     if (!error)                                 /* Seek was successful */
@@ -116,7 +116,7 @@ uint my_pwrite(int Filedes, const byte *Buffer, uint Count, my_off_t offset,
   {
 #ifndef HAVE_PREAD
     int error= 0;
-    off_t old_offset;
+    os_off_t old_offset;
     writenbytes= (uint) -1;
     pthread_mutex_lock(&my_file_info[Filedes].mutex);
 
@@ -124,7 +124,7 @@ uint my_pwrite(int Filedes, const byte *Buffer, uint Count, my_off_t offset,
       As we cannot change the file pointer, we save the old position,
       before seeking to the given offset
     */
-    error= ((old_offset= (off_t)lseek(Filedes, 0L, MY_SEEK_CUR)) == -1L ||
+    error= ((old_offset= lseek(Filedes, 0L, MY_SEEK_CUR)) == -1L ||
             lseek(Filedes, offset, MY_SEEK_SET) == -1L);
 
     if (!error)                                 /* Seek was successful */

sql/mysql_priv.h

@@ -1445,6 +1445,9 @@ void close_system_tables(THD *thd, Open_tables_state *backup);
 TABLE *open_system_table_for_update(THD *thd, TABLE_LIST *one_table);
 
 bool close_cached_tables(THD *thd, bool wait_for_refresh, TABLE_LIST *tables, bool have_lock = FALSE);
+bool close_cached_connection_tables(THD *thd, bool wait_for_refresh,
+                                    LEX_STRING *connect_string,
+                                    bool have_lock = FALSE);
 void copy_field_from_tmp_record(Field *field,int offset);
 bool fill_record(THD *thd, Field **field, List<Item> &values,
                  bool ignore_errors);

sql/sql_base.cc

@@ -858,6 +858,7 @@ void free_io_cache(TABLE *table)
   DBUG_VOID_RETURN;
 }
 
+
 /*
   Close all tables which aren't in use by any thread
 
@@ -969,6 +970,71 @@ bool close_cached_tables(THD *thd, bool if_wait_for_refresh,
 }
 
 
+/*
+  Close all tables which match specified connection string or
+  if specified string is NULL, then any table with a connection string.
+*/
+
+bool close_cached_connection_tables(THD *thd, bool if_wait_for_refresh,
+                                    LEX_STRING *connection, bool have_lock)
+{
+  uint idx;
+  TABLE_LIST tmp, *tables= NULL;
+  bool result= FALSE;
+  DBUG_ENTER("close_cached_connections");
+  DBUG_ASSERT(thd);
+
+  bzero(&tmp, sizeof(TABLE_LIST));
+  
+  if (!have_lock)
+    VOID(pthread_mutex_lock(&LOCK_open));
+  
+  for (idx= 0; idx < table_def_cache.records; idx++)
+  {
+    TABLE_SHARE *share= (TABLE_SHARE *) hash_element(&table_def_cache, idx);
+
+    /* Ignore if table is not open or does not have a connect_string */
+    if (!share->connect_string.length || !share->ref_count)
+      continue;
+
+    /* Compare the connection string */
+    if (connection &&
+        (connection->length > share->connect_string.length ||
+         (connection->length < share->connect_string.length &&
+          (share->connect_string.str[connection->length] != '/' &&
+           share->connect_string.str[connection->length] != '\\')) ||
+         strncasecmp(connection->str, share->connect_string.str,
+                     connection->length)))
+      continue;
+
+    /* close_cached_tables() only uses these elements */
+    tmp.db= share->db.str;
+    tmp.table_name= share->table_name.str;
+    tmp.next_local= tables;
+
+    tables= (TABLE_LIST *) memdup_root(thd->mem_root, (char*)&tmp, 
+                                       sizeof(TABLE_LIST));
+  }
+
+  if (tables)
+    result= close_cached_tables(thd, FALSE, tables, TRUE);
+  
+  if (!have_lock)
+    VOID(pthread_mutex_unlock(&LOCK_open));
+  
+  if (if_wait_for_refresh)
+  {
+    pthread_mutex_lock(&thd->mysys_var->mutex);
+    thd->mysys_var->current_mutex= 0;
+    thd->mysys_var->current_cond= 0;
+    thd->proc_info=0;
+    pthread_mutex_unlock(&thd->mysys_var->mutex);
+  }
+
+  DBUG_RETURN(result);
+}
+
+
 /*
   Mark all tables in the list which were used by current substatement
   as free for reuse.

sql/sql_parse.cc

@@ -4274,6 +4274,10 @@ mysql_execute_command(THD *thd)
     int error;
     LEX *lex= thd->lex;
     DBUG_PRINT("info", ("case SQLCOM_CREATE_SERVER"));
+
+    if (check_global_access(thd, SUPER_ACL))
+      break;
+
     if ((error= create_server(thd, &lex->server_options)))
     {
       DBUG_PRINT("info", ("problem creating server <%s>",
@@ -4289,6 +4293,10 @@ mysql_execute_command(THD *thd)
     int error;
     LEX *lex= thd->lex;
     DBUG_PRINT("info", ("case SQLCOM_ALTER_SERVER"));
+
+    if (check_global_access(thd, SUPER_ACL))
+      break;
+
     if ((error= alter_server(thd, &lex->server_options)))
     {
       DBUG_PRINT("info", ("problem altering server <%s>",
@@ -4304,9 +4312,13 @@ mysql_execute_command(THD *thd)
     int err_code;
     LEX *lex= thd->lex;
     DBUG_PRINT("info", ("case SQLCOM_DROP_SERVER"));
+
+    if (check_global_access(thd, SUPER_ACL))
+      break;
+
     if ((err_code= drop_server(thd, &lex->server_options)))
     {
-      if (! lex->drop_if_exists && err_code == ER_FOREIGN_SERVER_EXISTS)
+      if (! lex->drop_if_exists && err_code == ER_FOREIGN_SERVER_DOESNT_EXIST)
       {
         DBUG_PRINT("info", ("problem dropping server %s",
                             lex->server_options.server_name));

sql/sql_servers.h

@@ -25,40 +25,19 @@ typedef struct st_federated_server
 } FOREIGN_SERVER;
 
 /* cache handlers */
-my_bool servers_init(bool dont_read_server_table);
-my_bool servers_reload(THD *thd);
-my_bool get_server_from_table_to_cache(TABLE *table);
+bool servers_init(bool dont_read_server_table);
+bool servers_reload(THD *thd);
 void servers_free(bool end=0);
 
 /* insert functions */
 int create_server(THD *thd, LEX_SERVER_OPTIONS *server_options);
-int insert_server(THD *thd, FOREIGN_SERVER *server_options);
-int insert_server_record(TABLE *table, FOREIGN_SERVER *server);
-int insert_server_record_into_cache(FOREIGN_SERVER *server);
-void store_server_fields_for_insert(TABLE *table, FOREIGN_SERVER *server);
-void store_server_fields_for_insert(TABLE *table,
-                                    FOREIGN_SERVER *existing,
-                                    FOREIGN_SERVER *altered);
-int prepare_server_struct_for_insert(LEX_SERVER_OPTIONS *server_options,
-                                     FOREIGN_SERVER *server);
 
 /* drop functions */ 
 int drop_server(THD *thd, LEX_SERVER_OPTIONS *server_options);
-int delete_server_record(TABLE *table,
-                         char *server_name,
-                         int server_name_length);
-int delete_server_record_in_cache(LEX_SERVER_OPTIONS *server_options);
 
 /* update functions */
 int alter_server(THD *thd, LEX_SERVER_OPTIONS *server_options);
-int prepare_server_struct_for_update(LEX_SERVER_OPTIONS *server_options,
-                                     FOREIGN_SERVER *existing,
-                                     FOREIGN_SERVER *altered);
-int update_server(THD *thd, FOREIGN_SERVER *existing, FOREIGN_SERVER *altered);
-int update_server_record(TABLE *table, FOREIGN_SERVER *server);
-int update_server_record_in_cache(FOREIGN_SERVER *existing,
-                                  FOREIGN_SERVER *altered);
-/* utility functions */
-void merge_server_struct(FOREIGN_SERVER *from, FOREIGN_SERVER *to);
-FOREIGN_SERVER *get_server_by_name(const char *server_name);
-my_bool server_exists_in_table(THD *thd, char *server_name);
+
+/* lookup functions */
+FOREIGN_SERVER *get_server_by_name(MEM_ROOT *mem, const char *server_name,
+                                   FOREIGN_SERVER *server_buffer);

storage/federated/ha_federated.h

@@ -43,6 +43,8 @@
   The example implements the minimum of what you will probably need.
 */
 typedef struct st_federated_share {
+  MEM_ROOT mem_root;
+
   bool parsed;
   /* this key is unique db/tablename */
   const char *share_key;
@@ -67,6 +69,7 @@ typedef struct st_federated_share {
   char *sport;
   int share_key_length;
   ushort port;
+
   uint table_name_length, server_name_length, connect_string_length, use_count;
   pthread_mutex_t mutex;
   THR_LOCK lock;

storage/heap/ha_heap.cc

@@ -628,7 +628,10 @@ int ha_heap::create(const char *name, TABLE *table_arg,
       seg->length=  (uint) key_part->length;
       seg->flag=    key_part->key_part_flag;
 
-      seg->charset= field->charset();
+      if (field->flags & (ENUM_FLAG | SET_FLAG))
+        seg->charset= &my_charset_bin;
+      else
+        seg->charset= field->charset();
       if (field->null_ptr)
       {
 	seg->null_bit= field->null_bit;

storage/heap/hp_write.c

@@ -105,7 +105,6 @@ int hp_rb_write_key(HP_INFO *info, HP_KEYDEF *keyinfo, const byte *record,
   heap_rb_param custom_arg;
   uint old_allocated;
 
-  info->last_pos= NULL; /* For heap_rnext/heap_rprev */
   custom_arg.keyseg= keyinfo->seg;
   custom_arg.key_length= hp_rb_make_key(keyinfo, info->recbuf, record, recpos);
   if (keyinfo->flag & HA_NOSAME)

storage/myisam/ha_myisam.cc

@@ -635,6 +635,9 @@ bool ha_myisam::check_if_locking_is_allowed(uint sql_command,
 
 int ha_myisam::open(const char *name, int mode, uint test_if_locked)
 {
+  MI_KEYDEF *keyinfo;
+  MI_COLUMNDEF *recinfo= 0;
+  uint recs;
   uint i;
 
   /*
@@ -657,6 +660,26 @@ int ha_myisam::open(const char *name, int mode, uint test_if_locked)
 
   if (!(file=mi_open(name, mode, test_if_locked | HA_OPEN_FROM_SQL_LAYER)))
     return (my_errno ? my_errno : -1);
+  if (!table->s->tmp_table) /* No need to perform a check for tmp table */
+  {
+    if ((my_errno= table2myisam(table, &keyinfo, &recinfo, &recs)))
+    {
+      /* purecov: begin inspected */
+      DBUG_PRINT("error", ("Failed to convert TABLE object to MyISAM "
+                           "key and column definition"));
+      goto err;
+      /* purecov: end */
+    }
+    if (check_definition(keyinfo, recinfo, table->s->keys, recs,
+                         file->s->keyinfo, file->s->rec,
+                         file->s->base.keys, file->s->base.fields, true))
+    {
+      /* purecov: begin inspected */
+      my_errno= HA_ERR_CRASHED;
+      goto err;
+      /* purecov: end */
+    }
+  }
   
   if (test_if_locked & (HA_OPEN_IGNORE_IF_LOCKED | HA_OPEN_TMP_TABLE))
     VOID(mi_extra(file, HA_EXTRA_NO_WAIT_LOCK, 0));
@@ -677,7 +700,18 @@ int ha_myisam::open(const char *name, int mode, uint test_if_locked)
         (struct st_mysql_ftparser *)parser->plugin->info;
     table->key_info[i].block_size= file->s->keyinfo[i].block_length;
   }
-  return (0);
+  my_errno= 0;
+  goto end;
+ err:
+  this->close();
+ end:
+  /*
+    Both recinfo and keydef are allocated by my_multi_malloc(), thus only
+    recinfo must be freed.
+  */
+  if (recinfo)
+    my_free((gptr) recinfo, MYF(0));
+  return my_errno;
 }
 
 int ha_myisam::close(void)
@@ -1023,6 +1057,22 @@ int ha_myisam::repair(THD *thd, MI_CHECK &param, bool do_optimize)
   ha_rows rows= file->state->records;
   DBUG_ENTER("ha_myisam::repair");
 
+  /*
+    Normally this method is entered with a properly opened table. If the
+    repair fails, it can be repeated with more elaborate options. Under
+    special circumstances it can happen that a repair fails so that it
+    closed the data file and cannot re-open it. In this case file->dfile
+    is set to -1. We must not try another repair without an open data
+    file. (Bug #25289)
+  */
+  if (file->dfile == -1)
+  {
+    sql_print_information("Retrying repair of: '%s' failed. "
+                          "Please try REPAIR EXTENDED or myisamchk",
+                          table->s->path.str);
+    DBUG_RETURN(HA_ADMIN_FAILED);
+  }
+
   param.db_name=    table->s->db.str;
   param.table_name= table->alias;
   param.tmpfile_createflag = O_RDWR | O_TRUNC;

storage/myisam/mi_create.c

@@ -573,6 +573,10 @@ int mi_create(const char *name,uint keys,MI_KEYDEF *keydefs,
 
   pthread_mutex_lock(&THR_LOCK_myisam);
 
+  /*
+    NOTE: For test_if_reopen() we need a real path name. Hence we need
+    MY_RETURN_REAL_PATH for every fn_format(filename, ...).
+  */
   if (ci->index_file_name)
   {
     char *iext= strrchr(ci->index_file_name, '.');
@@ -584,13 +588,14 @@ int mi_create(const char *name,uint keys,MI_KEYDEF *keydefs,
       if ((path= strrchr(ci->index_file_name, FN_LIBCHAR)))
         *path= '\0';
       fn_format(filename, name, ci->index_file_name, MI_NAME_IEXT,
-                MY_REPLACE_DIR | MY_UNPACK_FILENAME | MY_APPEND_EXT);
+                MY_REPLACE_DIR | MY_UNPACK_FILENAME |
+                MY_RETURN_REAL_PATH | MY_APPEND_EXT);
     }
     else
     {
       fn_format(filename, ci->index_file_name, "", MI_NAME_IEXT,
-                MY_UNPACK_FILENAME | (have_iext ? MY_REPLACE_EXT :
-                                      MY_APPEND_EXT));
+                MY_UNPACK_FILENAME | MY_RETURN_REAL_PATH |
+                (have_iext ? MY_REPLACE_EXT : MY_APPEND_EXT));
     }
     fn_format(linkname, name, "", MI_NAME_IEXT,
               MY_UNPACK_FILENAME|MY_APPEND_EXT);
@@ -603,10 +608,11 @@ int mi_create(const char *name,uint keys,MI_KEYDEF *keydefs,
   }
   else
   {
+    char *iext= strrchr(name, '.');
+    int have_iext= iext && !strcmp(iext, MI_NAME_IEXT);
     fn_format(filename, name, "", MI_NAME_IEXT,
-              (MY_UNPACK_FILENAME |
-               (flags & HA_DONT_TOUCH_DATA) ? MY_RETURN_REAL_PATH : 0) |
-                MY_APPEND_EXT);
+              MY_UNPACK_FILENAME | MY_RETURN_REAL_PATH |
+              (have_iext ? MY_REPLACE_EXT : MY_APPEND_EXT));
     linkname_ptr=0;
     /* Replace the current file */
     create_flag=MY_DELETE_OLD;
@@ -618,6 +624,9 @@ int mi_create(const char *name,uint keys,MI_KEYDEF *keydefs,
     A TRUNCATE command checks for the table in the cache only and could
     be fooled to believe, the table is not open.
     Pull the emergency brake in this situation. (Bug #8306)
+
+    NOTE: The filename is compared against unique_file_name of every
+    open table. Hence we need a real path here.
   */
   if (test_if_reopen(filename))
   {