Merge dl145h.mysql.com:/data0/mkindahl/mysql-5.0-rpl

into  dl145h.mysql.com:/data0/mkindahl/mysql-5.1-rpl

include/my_sys.h

@@ -521,6 +521,11 @@ typedef int (*qsort2_cmp)(const void *, const void *, const void *);
 #define my_b_tell(info) ((info)->pos_in_file + \
 			 (size_t) (*(info)->current_pos - (info)->request_pos))
 
+#define my_b_get_buffer_start(info) (info)->request_pos 
+#define my_b_get_bytes_in_buffer(info) (char*) (info)->read_end -   \
+  (char*) my_b_get_buffer_start(info)
+#define my_b_get_pos_in_file(info) (info)->pos_in_file
+
 /* tell write offset in the SEQ_APPEND cache */
 int      my_b_copy_to_file(IO_CACHE *cache, FILE *file);
 my_off_t my_b_append_tell(IO_CACHE* info);

mysql-test/include/show_binlog_events2.inc

-#
-# Differs slightly from show_binlog events in showing server_id
-# which is important for some tests
-#
---let $binlog_start=106
+--let $binlog_start=98
 --replace_result $binlog_start <binlog_start>
 --replace_column 2 # 5 #
 --replace_regex /\/\* xid=.* \*\//\/* XID *\// /table_id: [0-9]+/table_id: #/

mysql-test/r/rpl_loaddata_map.result

+stop slave;
+drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
+reset master;
+reset slave;
+drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
+start slave;
+create table t2 (id int not null primary key auto_increment);
+select @@session.read_buffer_size - @@session.max_allowed_packet > 0 ;
+@@session.read_buffer_size - @@session.max_allowed_packet > 0
+1
+load data infile 'MYSQLTEST_VARDIR/tmp/bug30435_5k.txt' into table t2;
+select count(*) from t2 /* 5 000 */;
+count(*)
+5000
+show binlog events in 'master-bin.000002' from 98;
+Log_name	Pos	Event_type	Server_id	End_log_pos	Info
+master-bin.000002	98	Query	1	#	use `test`; create table t2 (id int not null primary key auto_increment)
+master-bin.000002	221	Begin_load_query	1	#	;file_id=1;block_len=7168
+master-bin.000002	7412	Append_block	1	#	;file_id=1;block_len=7168
+master-bin.000002	14603	Append_block	1	#	;file_id=1;block_len=2048
+master-bin.000002	16674	Append_block	1	#	;file_id=1;block_len=7168
+master-bin.000002	23865	Append_block	1	#	;file_id=1;block_len=341
+master-bin.000002	24229	Execute_load_query	1	#	use `test`; load data infile 'MYSQLTEST_VARDIR/tmp/bug30435_5k.txt' into table t2 ;file_id=1
+select count(*) from t2 /* 5 000 */;
+count(*)
+5000
+drop table t1, t2;
+end of the tests

mysql-test/r/rpl_user.result

+stop slave;
+drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
+reset master;
+reset slave;
+drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
+start slave;
+reset master;
+delete from mysql.user where Host='fakehost';
+create user 'foo'@'fakehost';
+create user 'foo'@'fakehost', 'bar'@'fakehost';
+ERROR HY000: Operation CREATE USER failed for 'foo'@'fakehost'
+create user 'foo'@'fakehost', 'bar'@'fakehost';
+ERROR HY000: Operation CREATE USER failed for 'foo'@'fakehost','bar'@'fakehost'
+select Host,User from mysql.user where Host='fakehost';
+Host	User
+fakehost	bar
+fakehost	foo
+rename user 'foo'@'fakehost' to 'foofoo'@'fakehost';
+rename user 'not_exist_user1'@'fakehost' to 'foobar'@'fakehost', 'bar'@'fakehost' to 'barbar'@'fakehost';
+ERROR HY000: Operation RENAME USER failed for 'not_exist_user1'@'fakehost'
+rename user 'not_exist_user1'@'fakehost' to 'foobar'@'fakehost', 'not_exist_user2'@'fakehost' to 'barfoo'@'fakehost';
+ERROR HY000: Operation RENAME USER failed for 'not_exist_user1'@'fakehost','not_exist_user2'@'fakehost'
+select Host,User from mysql.user where Host='fakehost';
+Host	User
+fakehost	barbar
+fakehost	foofoo
+drop user 'foofoo'@'fakehost';
+drop user 'not_exist_user1'@'fakehost', 'barbar'@'fakehost';
+ERROR HY000: Operation DROP USER failed for 'not_exist_user1'@'fakehost'
+drop user 'not_exist_user1'@'fakehost', 'not_exist_user2'@'fakehost';
+ERROR HY000: Operation DROP USER failed for 'not_exist_user1'@'fakehost','not_exist_user2'@'fakehost'
+select Host,User from mysql.user where Host='fakehost';
+Host	User
+show binlog events from 98;
+Log_name	Pos	Event_type	Server_id	End_log_pos	Info
+master-bin.000001	98	Query	1	#	use `test`; delete from mysql.user where Host='fakehost'
+master-bin.000001	205	Query	1	#	use `test`; create user 'foo'@'fakehost'
+master-bin.000001	296	Query	1	#	use `test`; create user 'foo'@'fakehost', 'bar'@'fakehost'
+master-bin.000001	405	Query	1	#	use `test`; rename user 'foo'@'fakehost' to 'foofoo'@'fakehost'
+master-bin.000001	519	Query	1	#	use `test`; rename user 'not_exist_user1'@'fakehost' to 'foobar'@'fakehost', 'bar'@'fakehost' to 'barbar'@'fakehost'
+master-bin.000001	686	Query	1	#	use `test`; drop user 'foofoo'@'fakehost'
+master-bin.000001	778	Query	1	#	use `test`; drop user 'not_exist_user1'@'fakehost', 'barbar'@'fakehost'

mysql-test/t/rpl_loaddata_map-master.opt

+--read_buffer_size=9K --max_allowed_packet=8K

mysql-test/t/rpl_loaddata_map-slave.opt

+--max_allowed_packet=8K

mysql-test/t/rpl_loaddata_map.test

+#
+#  check replication of load data with the server parameters subjected to
+#  read_buffer_size > max_allowed_packet
+#
+#  BUG#30435 loading large LOAD DATA INFILE breaks slave with 
+#            read_buffer_size set on master
+#  BUG#33413 show binlog events fails if binlog has event size of close
+#            to max_allowed_packet
+
+source include/master-slave.inc;
+source include/have_innodb.inc;
+
+--disable_query_log
+let $rows= 5000;
+create table t1 (id int not null primary key auto_increment);
+
+while($rows)
+{
+  eval insert into t1 values (null);
+  dec $rows;
+}
+eval select * into outfile '$MYSQLTEST_VARDIR/tmp/bug30435_5k.txt' from t1;
+flush logs;
+--enable_query_log
+
+connection master;
+create table t2 (id int not null primary key auto_increment);
+
+select @@session.read_buffer_size - @@session.max_allowed_packet > 0 ;
+
+--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
+eval load data infile '$MYSQLTEST_VARDIR/tmp/bug30435_5k.txt' into table t2;
+select count(*) from t2 /* 5 000 */;
+
+# the binglog will show fragmented Append_block events
+--let $binlog_start=98
+--replace_column 5 #
+--replace_regex /\/\* xid=.* \*\//\/* XID *\//
+--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
+--eval show binlog events in 'master-bin.000002' from $binlog_start
+
+
+sync_slave_with_master;
+#connection slave;
+select count(*) from t2 /* 5 000 */;
+
+connection master;
+drop table t1, t2;
+sync_slave_with_master;
+remove_file $MYSQLTEST_VARDIR/tmp/bug30435_5k.txt;
+
+--echo end of the tests

mysql-test/t/rpl_user.test

+# BUG#33862 completely failed DROP USER statement gets replicated
+
+--source include/master-slave.inc
+
+reset master;
+
+#
+# remove all users will be used in the test
+#
+delete from mysql.user where Host='fakehost';
+sync_slave_with_master;
+
+#
+# Test create user
+#
+connection master;
+create user 'foo'@'fakehost';
+--error ER_CANNOT_USER
+create user 'foo'@'fakehost', 'bar'@'fakehost';
+--error ER_CANNOT_USER
+create user 'foo'@'fakehost', 'bar'@'fakehost';
+
+sync_slave_with_master;
+select Host,User from mysql.user where Host='fakehost';
+
+#
+# Test rename user
+#
+connection master;
+rename user 'foo'@'fakehost' to 'foofoo'@'fakehost';
+--error ER_CANNOT_USER
+rename user 'not_exist_user1'@'fakehost' to 'foobar'@'fakehost', 'bar'@'fakehost' to 'barbar'@'fakehost';
+--error ER_CANNOT_USER
+rename user 'not_exist_user1'@'fakehost' to 'foobar'@'fakehost', 'not_exist_user2'@'fakehost' to 'barfoo'@'fakehost';
+
+sync_slave_with_master;
+select Host,User from mysql.user where Host='fakehost';
+
+#
+# Test drop user
+#
+connection master;
+drop user 'foofoo'@'fakehost';
+--error ER_CANNOT_USER
+drop user 'not_exist_user1'@'fakehost', 'barbar'@'fakehost';
+--error ER_CANNOT_USER
+drop user 'not_exist_user1'@'fakehost', 'not_exist_user2'@'fakehost';
+
+sync_slave_with_master;
+select Host,User from mysql.user where Host='fakehost';
+
+#
+# show the binlog events on the master
+#
+connection master;
+source include/show_binlog_events.inc;

sql/sql_acl.cc

@@ -5489,6 +5489,7 @@ bool mysql_create_user(THD *thd, List <LEX_USER> &list)
   LEX_USER *user_name, *tmp_user_name;
   List_iterator <LEX_USER> user_list(list);
   TABLE_LIST tables[GRANT_TABLES];
+  bool some_users_created= FALSE;
   DBUG_ENTER("mysql_create_user");
 
   /*
@@ -5524,6 +5525,7 @@ bool mysql_create_user(THD *thd, List <LEX_USER> &list)
       continue;
     }
 
+    some_users_created= TRUE;
     sql_mode= thd->variables.sql_mode;
     if (replace_user_table(thd, tables[0].table, *user_name, 0, 0, 1, 0))
     {
@@ -5534,12 +5536,14 @@ bool mysql_create_user(THD *thd, List <LEX_USER> &list)
 
   VOID(pthread_mutex_unlock(&acl_cache->lock));
 
-  write_bin_log(thd, FALSE, thd->query, thd->query_length);
+  if (result)
+    my_error(ER_CANNOT_USER, MYF(0), "CREATE USER", wrong_users.c_ptr_safe());
+
+  if (some_users_created)
+    write_bin_log(thd, FALSE, thd->query, thd->query_length);
 
   rw_unlock(&LOCK_grant);
   close_thread_tables(thd);
-  if (result)
-    my_error(ER_CANNOT_USER, MYF(0), "CREATE USER", wrong_users.c_ptr_safe());
   DBUG_RETURN(result);
 }
 
@@ -5564,6 +5568,7 @@ bool mysql_drop_user(THD *thd, List <LEX_USER> &list)
   LEX_USER *user_name, *tmp_user_name;
   List_iterator <LEX_USER> user_list(list);
   TABLE_LIST tables[GRANT_TABLES];
+  bool some_users_deleted= FALSE;
   DBUG_ENTER("mysql_drop_user");
 
   /*
@@ -5592,7 +5597,9 @@ bool mysql_drop_user(THD *thd, List <LEX_USER> &list)
     {
       append_user(&wrong_users, user_name);
       result= TRUE;
+      continue;
     }
+    some_users_deleted= TRUE;
   }
 
   /* Rebuild 'acl_check_hosts' since 'acl_users' has been modified */
@@ -5606,7 +5613,8 @@ bool mysql_drop_user(THD *thd, List <LEX_USER> &list)
   DBUG_PRINT("info", ("thd->net.last_errno: %d", thd->net.last_errno));
   DBUG_PRINT("info", ("thd->net.last_error: %s", thd->net.last_error));
 
-  write_bin_log(thd, FALSE, thd->query, thd->query_length);
+  if (some_users_deleted)
+    write_bin_log(thd, FALSE, thd->query, thd->query_length);
 
   rw_unlock(&LOCK_grant);
   close_thread_tables(thd);
@@ -5635,6 +5643,7 @@ bool mysql_rename_user(THD *thd, List <LEX_USER> &list)
   LEX_USER *user_to, *tmp_user_to;
   List_iterator <LEX_USER> user_list(list);
   TABLE_LIST tables[GRANT_TABLES];
+  bool some_users_renamed= FALSE;
   DBUG_ENTER("mysql_rename_user");
 
   /*
@@ -5675,7 +5684,9 @@ bool mysql_rename_user(THD *thd, List <LEX_USER> &list)
     {
       append_user(&wrong_users, user_from);
       result= TRUE;
+      continue;
     }
+    some_users_renamed= TRUE;
   }
   
   /* Rebuild 'acl_check_hosts' since 'acl_users' has been modified */
@@ -5683,12 +5694,14 @@ bool mysql_rename_user(THD *thd, List <LEX_USER> &list)
 
   VOID(pthread_mutex_unlock(&acl_cache->lock));
 
-  write_bin_log(thd, FALSE, thd->query, thd->query_length);
+  if (result)
+    my_error(ER_CANNOT_USER, MYF(0), "RENAME USER", wrong_users.c_ptr_safe());
+  
+  if (some_users_renamed && mysql_bin_log.is_open())
+    write_bin_log(thd, FALSE, thd->query, thd->query_length);
 
   rw_unlock(&LOCK_grant);
   close_thread_tables(thd);
-  if (result)
-    my_error(ER_CANNOT_USER, MYF(0), "RENAME USER", wrong_users.c_ptr_safe());
   DBUG_RETURN(result);
 }
 

sql/sql_parse.cc

@@ -1166,7 +1166,6 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
       unregister_slave(thd,1,1);
       /*  fake COM_QUIT -- if we get here, the thread needs to terminate */
       error = TRUE;
-      net->error = 0;
       break;
     }
 #endif

sql/sql_repl.cc

@@ -1243,9 +1243,6 @@ bool change_master(THD* thd, Master_info* mi)
       DBUG_RETURN(TRUE);
     }
   }
-  mi->rli.group_master_log_pos = mi->master_log_pos;
-  DBUG_PRINT("info", ("master_log_pos: %lu", (ulong) mi->master_log_pos));
-
   /*
     Coordinates in rli were spoilt by the 'if (need_relay_log_purge)' block,
     so restore them to good values. If we left them to ''/0, that would work;
@@ -1257,6 +1254,7 @@ bool change_master(THD* thd, Master_info* mi)
     That's why we always save good coords in rli.
   */
   mi->rli.group_master_log_pos= mi->master_log_pos;
+  DBUG_PRINT("info", ("master_log_pos: %lu", (ulong) mi->master_log_pos));
   strmake(mi->rli.group_master_log_name,mi->master_log_name,
 	  sizeof(mi->rli.group_master_log_name)-1);
 
@@ -1376,6 +1374,11 @@ bool mysql_show_binlog_events(THD* thd)
     if ((file=open_binlog(&log, linfo.log_file_name, &errmsg)) < 0)
       goto err;
 
+    /*
+      to account binlog event header size
+    */
+    thd->variables.max_allowed_packet += MAX_LOG_EVENT_HEADER;
+
     pthread_mutex_lock(log_lock);
 
     /*
@@ -1386,7 +1389,6 @@ bool mysql_show_binlog_events(THD* thd)
       This code will fail on a mixed relay log (one which has Format_desc then
       Rotate then Format_desc).
     */
-
     ev = Log_event::read_log_event(&log,(pthread_mutex_t*)0,description_event);
     if (ev)
     {
@@ -1578,39 +1580,54 @@ err:
   DBUG_RETURN(TRUE);
 }
 
-
+/**
+   Load data's io cache specific hook to be executed
+   before a chunk of data is being read into the cache's buffer
+   The fuction instantianates and writes into the binlog
+   replication events along LOAD DATA processing.
+   
+   @param file  pointer to io-cache
+   @return 0
+*/
 int log_loaded_block(IO_CACHE* file)
 {
+  DBUG_ENTER("log_loaded_block");
   LOAD_FILE_INFO *lf_info;
-  uint block_len ;
-
-  /* file->request_pos contains position where we started last read */
-  char* buffer = (char*) file->request_pos;
-  if (!(block_len = (char*) file->read_end - (char*) buffer))
-    return 0;
-  lf_info = (LOAD_FILE_INFO*) file->arg;
+  uint block_len;
+  /* buffer contains position where we started last read */
+  char* buffer= my_b_get_buffer_start(file);
+  uint max_event_size= current_thd->variables.max_allowed_packet;
+  lf_info= (LOAD_FILE_INFO*) file->arg;
   if (lf_info->thd->current_stmt_binlog_row_based)
     return 0;
   if (lf_info->last_pos_in_file != HA_POS_ERROR &&
-      lf_info->last_pos_in_file >= file->pos_in_file)
-    return 0;
-  lf_info->last_pos_in_file = file->pos_in_file;
-  if (lf_info->wrote_create_file)
-  {
-    Append_block_log_event a(lf_info->thd, lf_info->thd->db, buffer,
-                             block_len, lf_info->log_delayed);
-    mysql_bin_log.write(&a);
-  }
-  else
+      lf_info->last_pos_in_file >= my_b_get_pos_in_file(file))
+    DBUG_RETURN(0);
+  
+  for (block_len= my_b_get_bytes_in_buffer(file); block_len > 0;
+       buffer += min(block_len, max_event_size),
+       block_len -= min(block_len, max_event_size))
   {
-    Begin_load_query_log_event b(lf_info->thd, lf_info->thd->db,
-                                 buffer, block_len,
-                                 lf_info->log_delayed);
-    mysql_bin_log.write(&b);
-    lf_info->wrote_create_file = 1;
-    DBUG_SYNC_POINT("debug_lock.created_file_event",10);
+    lf_info->last_pos_in_file= my_b_get_pos_in_file(file);
+    if (lf_info->wrote_create_file)
+    {
+      Append_block_log_event a(lf_info->thd, lf_info->thd->db, buffer,
+                               min(block_len, max_event_size),
+                               lf_info->log_delayed);
+      mysql_bin_log.write(&a);
+    }
+    else
+    {
+      Begin_load_query_log_event b(lf_info->thd, lf_info->thd->db,
+                                   buffer,
+                                   min(block_len, max_event_size),
+                                   lf_info->log_delayed);
+      mysql_bin_log.write(&b);
+      lf_info->wrote_create_file= 1;
+      DBUG_SYNC_POINT("debug_lock.created_file_event",10);
+    }
   }
-  return 0;
+  DBUG_RETURN(0);
 }
 
 /*