Merge mysql1000.(none):/home/andrei/MySQL/MERGE/5.0-main2rpl

into  mysql1000.(none):/home/andrei/MySQL/MERGE/5.1-main2rpl


BitKeeper/deleted/.del-binlog_killed_simulate.result:
  Auto merged
BitKeeper/deleted/.del-show_binlog_events.inc:
  Auto merged
mysql-test/suite/rpl/r/rpl_user.result:
  Auto merged
storage/blackhole/ha_blackhole.cc:
  Auto merged
BitKeeper/deleted/.del-show_binary_logs.inc:
  Delete: mysql-test/include/show_binary_logs.inc
mysql-test/suite/binlog/r/binlog_stm_mix_innodb_myisam.result:
  manual merge ul.
mysql-test/extra/binlog_tests/blackhole.test:
  manual merge
mysql-test/suite/binlog/r/binlog_stm_blackhole.result:
  manual merge
sql/log.cc:
  manual merge
sql/share/errmsg.txt:
  manual merge
sql/sql_class.cc:
  manual merge

mysql-test/extra/binlog_tests/blackhole.test

@@ -151,7 +151,6 @@ CREATE TABLE t1(a INT) ENGINE=BLACKHOLE;
 INSERT DELAYED INTO t1 VALUES(1);
 DROP TABLE t1;
 
-# End of 4.1 tests
 
 #
 #Bug#19717: DELETE Query Error on BLACKHOLE when using WHERE on column with UNIQUE INDEX
@@ -168,7 +167,6 @@ ALTER TABLE t1 ADD PRIMARY KEY(a);
 DELETE FROM t1 WHERE a=10;
 DROP TABLE t1;
 
-# End of 5.0 tests
 
 # Test that a transaction which is rolled back does not go into binlog
 # and that a transaction which is committed does
@@ -193,4 +191,27 @@ show binlog events;
 
 drop table if exists t1;
 
-# End of 5.1 tests
+#
+# Bug#35178 INSERT_ID not written to binary log for inserts against BLACKHOLE backed tables
+#
+#
+# the test checks that explicitly prescribed with set insert_id= value
+# preceeds the following autoincrement insert in a blachhole
+#
+
+reset master;
+create table t1 (a int auto_increment, primary key (a)) engine=blackhole;
+
+# not insert_id prescribed insert binlogs with the default set insert_id 1
+insert into t1 values (11), (NULL), (NULL), (NULL);
+set insert_id= 3;
+insert into t1 values (NULL), (33), (NULL);
+set insert_id= 5;
+insert into t1 values (55), (NULL);
+source include/show_binlog_events2.inc;
+
+# cleanup
+drop table t1;
+
+
+# End of tests

mysql-test/r/binlog_index.result

+flush logs;
+flush logs;
+flush logs;
+show binary logs;
+Log_name	File_size
+master-bin.000001	#
+master-bin.000002	#
+master-bin.000003	#
+master-bin.000004	#
+purge binary logs TO 'master-bin.000004';
+Warnings:
+Warning	1476	Being purged log MYSQLTEST_VARDIR/log/master-bin.000001 was not found
+*** must show a list starting from the 'TO' argument of PURGE ***
+show binary logs;
+Log_name	File_size
+master-bin.000004	#
+reset master;
+flush logs;
+flush logs;
+flush logs;
+*** must be a warning master-bin.000001 was not found ***
+Warnings:
+Warning	1476	Being purged log MYSQLTEST_VARDIR/log/master-bin.000001 was not found
+*** must show one record, of the active binlog, left in the index file after PURGE ***
+show binary logs;
+Log_name	File_size
+master-bin.000004	#
+reset master;
+flush logs;
+flush logs;
+flush logs;
+purge binary logs TO 'master-bin.000002';
+ERROR HY000: Fatal error during log purge
+show warnings;
+Level	Code	Message
+Error	1377	a problem with deleting MYSQLTEST_VARDIR/log/master-bin.000001; consider examining correspondence of your binlog index file to the actual binlog files
+Error	1377	Fatal error during log purge
+reset master;
+End of tests

mysql-test/r/rpl_auto_increment_bug33029.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;
+DROP TABLE IF EXISTS t1, t2;
+DROP PROCEDURE IF EXISTS p1;
+DROP PROCEDURE IF EXISTS p2;
+DROP TRIGGER IF EXISTS tr1;
+DROP FUNCTION IF EXISTS f1;
+CREATE TABLE t1 (id INT AUTO_INCREMENT PRIMARY KEY);
+CREATE TABLE t2 (id INT AUTO_INCREMENT PRIMARY KEY);
+CREATE PROCEDURE p1()
+BEGIN
+DECLARE ins_count INT DEFAULT 10; 
+WHILE ins_count > 0 DO
+INSERT INTO t1 VALUES (NULL);
+SET ins_count = ins_count - 1;
+END WHILE;
+DELETE FROM t1 WHERE id = 1;
+DELETE FROM t1 WHERE id = 2;
+DELETE FROM t2 WHERE id = 1;
+DELETE FROM t2 WHERE id = 2;
+END//
+CREATE PROCEDURE p2()
+BEGIN
+INSERT INTO t1 VALUES (NULL);
+DELETE FROM t1 WHERE id = f1(3);
+DELETE FROM t1 WHERE id = f1(4);
+DELETE FROM t2 WHERE id = 3;
+DELETE FROM t2 WHERE id = 4;
+END//
+CREATE TRIGGER tr1 BEFORE DELETE
+ON t1 FOR EACH ROW 
+BEGIN
+INSERT INTO t2  VALUES (NULL);
+END//
+CREATE FUNCTION f1 (i int) RETURNS int
+BEGIN
+INSERT INTO t2 VALUES (NULL);
+RETURN i;
+END//
+CALL p1();
+show binlog events from <binlog_start>;
+Log_name	Pos	Event_type	Server_id	End_log_pos	Info
+master-bin.000001	#	Intvar	#	#	INSERT_ID=1
+master-bin.000001	#	Query	#	#	use `test`; INSERT INTO t1 VALUES (NULL)
+master-bin.000001	#	Intvar	#	#	INSERT_ID=2
+master-bin.000001	#	Query	#	#	use `test`; INSERT INTO t1 VALUES (NULL)
+master-bin.000001	#	Intvar	#	#	INSERT_ID=3
+master-bin.000001	#	Query	#	#	use `test`; INSERT INTO t1 VALUES (NULL)
+master-bin.000001	#	Intvar	#	#	INSERT_ID=4
+master-bin.000001	#	Query	#	#	use `test`; INSERT INTO t1 VALUES (NULL)
+master-bin.000001	#	Intvar	#	#	INSERT_ID=5
+master-bin.000001	#	Query	#	#	use `test`; INSERT INTO t1 VALUES (NULL)
+master-bin.000001	#	Intvar	#	#	INSERT_ID=6
+master-bin.000001	#	Query	#	#	use `test`; INSERT INTO t1 VALUES (NULL)
+master-bin.000001	#	Intvar	#	#	INSERT_ID=7
+master-bin.000001	#	Query	#	#	use `test`; INSERT INTO t1 VALUES (NULL)
+master-bin.000001	#	Intvar	#	#	INSERT_ID=8
+master-bin.000001	#	Query	#	#	use `test`; INSERT INTO t1 VALUES (NULL)
+master-bin.000001	#	Intvar	#	#	INSERT_ID=9
+master-bin.000001	#	Query	#	#	use `test`; INSERT INTO t1 VALUES (NULL)
+master-bin.000001	#	Intvar	#	#	INSERT_ID=10
+master-bin.000001	#	Query	#	#	use `test`; INSERT INTO t1 VALUES (NULL)
+master-bin.000001	#	Query	#	#	use `test`; DELETE FROM t1 WHERE id = 1
+master-bin.000001	#	Query	#	#	use `test`; DELETE FROM t1 WHERE id = 2
+master-bin.000001	#	Query	#	#	use `test`; DELETE FROM t2 WHERE id = 1
+master-bin.000001	#	Query	#	#	use `test`; DELETE FROM t2 WHERE id = 2
+# Result on master
+SELECT * FROM t1;
+id
+3
+4
+5
+6
+7
+8
+9
+10
+SELECT * FROM t2;
+id
+# Result on slave
+SELECT * FROM t1;
+id
+3
+4
+5
+6
+7
+8
+9
+10
+SELECT * FROM t2;
+id
+DROP TRIGGER tr1;
+CALL p2();
+show binlog events from <binlog_start>;
+Log_name	Pos	Event_type	Server_id	End_log_pos	Info
+master-bin.000001	#	Intvar	#	#	INSERT_ID=11
+master-bin.000001	#	Query	#	#	use `test`; INSERT INTO t1 VALUES (NULL)
+master-bin.000001	#	Query	#	#	use `test`; DELETE FROM t1 WHERE id = f1(3)
+master-bin.000001	#	Query	#	#	use `test`; DELETE FROM t1 WHERE id = f1(4)
+master-bin.000001	#	Query	#	#	use `test`; DELETE FROM t2 WHERE id = 3
+master-bin.000001	#	Query	#	#	use `test`; DELETE FROM t2 WHERE id = 4
+# Result on master
+SELECT * FROM t1;
+id
+5
+6
+7
+8
+9
+10
+11
+SELECT * FROM t2;
+id
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+# Result on slave
+SELECT * FROM t1;
+id
+5
+6
+7
+8
+9
+10
+11
+SELECT * FROM t2;
+id
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+DROP TABLE IF EXISTS t1, t2;
+DROP PROCEDURE IF EXISTS p1;
+DROP PROCEDURE IF EXISTS p2;
+DROP FUNCTION IF EXISTS f1;
+DROP TRIGGER IF EXISTS tr1;

mysql-test/suite/binlog/r/binlog_stm_blackhole.result

@@ -172,3 +172,19 @@ master-bin.000001	#	Query	#	#	use `test`; BEGIN
 master-bin.000001	#	Query	#	#	use `test`; insert into t1 values(1)
 master-bin.000001	#	Query	#	#	use `test`; COMMIT
 drop table if exists t1;
+create table t1 (a int auto_increment, primary key (a)) engine=blackhole;
+insert into t1 values (11), (NULL), (NULL), (NULL);
+set insert_id= 3;
+insert into t1 values (NULL), (33), (NULL);
+set insert_id= 5;
+insert into t1 values (55), (NULL);
+show binlog events from <binlog_start>;
+Log_name	Pos	Event_type	Server_id	End_log_pos	Info
+master-bin.000001	#	Query	1	#	use `test`; create table t1 (a int auto_increment, primary key (a)) engine=blackhole
+master-bin.000001	#	Intvar	1	#	INSERT_ID=1
+master-bin.000001	#	Query	1	#	use `test`; insert into t1 values (11), (NULL), (NULL), (NULL)
+master-bin.000001	#	Intvar	1	#	INSERT_ID=3
+master-bin.000001	#	Query	1	#	use `test`; insert into t1 values (NULL), (33), (NULL)
+master-bin.000001	#	Intvar	1	#	INSERT_ID=5
+master-bin.000001	#	Query	1	#	use `test`; insert into t1 values (55), (NULL)
+drop table t1;

mysql-test/t/binlog_index.test

+#
+# testing of purging of binary log files bug#18199/Bug#18453
+#
+source include/have_log_bin.inc;
+source include/not_embedded.inc;
+
+#
+# testing purge binary logs TO
+#
+
+flush logs;
+flush logs;
+flush logs;
+
+source include/show_binary_logs.inc;
+
+remove_file $MYSQLTEST_VARDIR/log/master-bin.000001;
+
+# there must be a warning with file names
+--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
+purge binary logs TO 'master-bin.000004';
+
+--echo *** must show a list starting from the 'TO' argument of PURGE ***
+source include/show_binary_logs.inc;
+
+#
+# testing purge binary logs BEFORE
+#
+
+reset master;
+
+flush logs;
+flush logs;
+flush logs;
+remove_file $MYSQLTEST_VARDIR/log/master-bin.000001;
+
+--echo *** must be a warning master-bin.000001 was not found ***
+let $date=`select NOW()  +  INTERVAL 1 MINUTE`;
+--disable_query_log
+--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
+eval purge binary logs BEFORE '$date';
+--enable_query_log
+
+--echo *** must show one record, of the active binlog, left in the index file after PURGE ***
+source include/show_binary_logs.inc;
+
+#
+# testing a fatal error
+# Turning a binlog file into a directory must be a portable setup
+# 
+
+reset master;
+
+flush logs;
+flush logs;
+flush logs;
+
+remove_file $MYSQLTEST_VARDIR/log/master-bin.000001;
+mkdir $MYSQLTEST_VARDIR/log/master-bin.000001;
+
+--error ER_BINLOG_PURGE_FATAL_ERR
+purge binary logs TO 'master-bin.000002';
+--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
+show warnings;
+rmdir $MYSQLTEST_VARDIR/log/master-bin.000001;
+--disable_warnings
+reset master;
+--enable_warnings
+--echo End of tests

mysql-test/t/rpl_auto_increment_bug33029.test

+# BUG#33029 5.0 to 5.1 replication fails on dup key when inserting
+# using a trig in SP
+
+# For all 5.0 up to 5.0.58 exclusive, and 5.1 up to 5.1.12 exclusive,
+# if one statement in a SP generated AUTO_INCREMENT value by the top
+# statement, all statements after it would be considered generated
+# AUTO_INCREMENT value by the top statement, and a erroneous INSERT_ID
+# value might be associated with these statement, which could cause
+# duplicate entry error and stop the slave.
+
+source include/master-slave.inc;
+
+--disable_warnings
+DROP TABLE IF EXISTS t1, t2;
+DROP PROCEDURE IF EXISTS p1;
+DROP PROCEDURE IF EXISTS p2;
+DROP TRIGGER IF EXISTS tr1;
+DROP FUNCTION IF EXISTS f1;
+--enable_warnings
+
+CREATE TABLE t1 (id INT AUTO_INCREMENT PRIMARY KEY);
+CREATE TABLE t2 (id INT AUTO_INCREMENT PRIMARY KEY);
+
+delimiter //;
+
+CREATE PROCEDURE p1()
+BEGIN
+   DECLARE ins_count INT DEFAULT 10; 
+
+   WHILE ins_count > 0 DO
+       INSERT INTO t1 VALUES (NULL);
+       SET ins_count = ins_count - 1;
+   END WHILE;
+
+   DELETE FROM t1 WHERE id = 1;
+   DELETE FROM t1 WHERE id = 2;
+   DELETE FROM t2 WHERE id = 1;
+   DELETE FROM t2 WHERE id = 2;
+END//
+
+CREATE PROCEDURE p2()
+BEGIN
+   INSERT INTO t1 VALUES (NULL);
+   DELETE FROM t1 WHERE id = f1(3);
+   DELETE FROM t1 WHERE id = f1(4);
+   DELETE FROM t2 WHERE id = 3;
+   DELETE FROM t2 WHERE id = 4;
+END//
+
+CREATE TRIGGER tr1 BEFORE DELETE
+    ON t1 FOR EACH ROW 
+    BEGIN
+        INSERT INTO t2  VALUES (NULL);
+    END//
+
+CREATE FUNCTION f1 (i int) RETURNS int
+    BEGIN
+        INSERT INTO t2 VALUES (NULL);
+        RETURN i;
+    END//
+
+delimiter ;//
+
+# the $binlog_start will be used by the show_binlog_events.inc, so
+# that we can skip binlog events we don't care
+let $binlog_start= query_get_value(SHOW MASTER STATUS, Position, 1);
+CALL p1();
+source include/show_binlog_events.inc;
+
+echo # Result on master;
+SELECT * FROM t1;
+SELECT * FROM t2;
+
+sync_slave_with_master;
+
+echo # Result on slave;
+SELECT * FROM t1;
+SELECT * FROM t2;
+
+connection master;
+
+DROP TRIGGER tr1;
+
+# the $binlog_start will be used by the show_binlog_events.inc, so
+# that we can skip binlog events we don't care
+let $binlog_start= query_get_value(SHOW MASTER STATUS, Position, 1);
+CALL p2();
+source include/show_binlog_events.inc;
+
+echo # Result on master;
+SELECT * FROM t1;
+SELECT * FROM t2;
+
+sync_slave_with_master;
+
+echo # Result on slave;
+SELECT * FROM t1;
+SELECT * FROM t2;
+
+# clean up
+connection master;
+disable_warnings;
+DROP TABLE IF EXISTS t1, t2;
+DROP PROCEDURE IF EXISTS p1;
+DROP PROCEDURE IF EXISTS p2;
+DROP FUNCTION IF EXISTS f1;
+DROP TRIGGER IF EXISTS tr1;
+enable_warnings;
+sync_slave_with_master;

sql/log.cc

@@ -2913,6 +2913,8 @@ int MYSQL_BIN_LOG::update_log_index(LOG_INFO* log_info, bool need_update_threads
     0			ok
   @retval
     LOG_INFO_EOF		to_log not found
+    LOG_INFO_FATAL              if any other than ENOENT error from
+                                my_stat() or my_delete()
 */
 
 int MYSQL_BIN_LOG::purge_logs(const char *to_log, 
@@ -2941,22 +2943,71 @@ int MYSQL_BIN_LOG::purge_logs(const char *to_log,
     goto err;
   while ((strcmp(to_log,log_info.log_file_name) || (exit_loop=included)) &&
          !log_in_use(log_info.log_file_name))
-  {
-    ulong file_size= 0;
-    if (decrease_log_space) //stat the file we want to delete
   {
     MY_STAT s;
-
+    if (!my_stat(log_info.log_file_name, &s, MYF(0)))
+    {
+      if (my_errno == ENOENT) 
+      {
         /*
-         If we could not stat, we can't know the amount
-         of space that deletion will free. In most cases,
-         deletion won't work either, so it's not a problem.
+          It's not fatal if we can't stat a log file that does not exist;
+          If we could not stat, we won't delete.
         */     
-      if (my_stat(log_info.log_file_name,&s,MYF(0)))
-        file_size= s.st_size;
-      else
+        push_warning_printf(current_thd, MYSQL_ERROR::WARN_LEVEL_WARN,
+                            ER_LOG_PURGE_NO_FILE, ER(ER_LOG_PURGE_NO_FILE),
+                            log_info.log_file_name);
         sql_print_information("Failed to execute my_stat on file '%s'",
 			      log_info.log_file_name);
+        my_errno= 0;
+      }
+      else
+      {
+        /*
+          Other than ENOENT are fatal
+        */
+        push_warning_printf(current_thd, MYSQL_ERROR::WARN_LEVEL_ERROR,
+                            ER_BINLOG_PURGE_FATAL_ERR,
+                            "a problem with getting info on being purged %s; "
+                            "consider examining correspondence "
+                            "of your binlog index file "
+                            "to the actual binlog files",
+                            log_info.log_file_name);
+        error= LOG_INFO_FATAL;
+        goto err;
+      }
+    }
+    else
+    {
+      DBUG_PRINT("info",("purging %s",log_info.log_file_name));
+      if (!my_delete(log_info.log_file_name, MYF(0)))
+      {
+        if (decrease_log_space)
+          *decrease_log_space-= s.st_size;
+      }
+      else
+      {
+        if (my_errno == ENOENT) 
+        {
+          push_warning_printf(current_thd, MYSQL_ERROR::WARN_LEVEL_WARN,
+                              ER_LOG_PURGE_NO_FILE, ER(ER_LOG_PURGE_NO_FILE),
+                              log_info.log_file_name);
+          sql_print_information("Failed to delete file '%s'",
+                                log_info.log_file_name);
+          my_errno= 0;
+        }
+        else
+        {
+          push_warning_printf(current_thd, MYSQL_ERROR::WARN_LEVEL_ERROR,
+                              ER_BINLOG_PURGE_FATAL_ERR,
+                              "a problem with deleting %s; "
+                              "consider examining correspondence "
+                              "of your binlog index file "
+                              "to the actual binlog files",
+                              log_info.log_file_name);
+          error= LOG_INFO_FATAL;
+          goto err;
+        }
+      }
     }
     /*
       It's not fatal if we can't delete a log file ;
@@ -3010,6 +3061,8 @@ err:
     0				ok
   @retval
     LOG_INFO_PURGE_NO_ROTATE	Binary file that can't be rotated
+    LOG_INFO_FATAL              if any other than ENOENT error from
+                                my_stat() or my_delete()
 */
 
 int MYSQL_BIN_LOG::purge_logs_before_date(time_t purge_time)
@@ -3033,14 +3086,67 @@ int MYSQL_BIN_LOG::purge_logs_before_date(time_t purge_time)
   while (strcmp(log_file_name, log_info.log_file_name) &&
 	 !log_in_use(log_info.log_file_name))
   {
-    /* It's not fatal even if we can't delete a log file */
-    if (!my_stat(log_info.log_file_name, &stat_area, MYF(0)) ||
-	stat_area.st_mtime >= purge_time)
+    if (!my_stat(log_info.log_file_name, &stat_area, MYF(0)))
+    {
+      if (my_errno == ENOENT) 
+      {
+        /*
+          It's not fatal if we can't stat a log file that does not exist.
+        */     
+        push_warning_printf(current_thd, MYSQL_ERROR::WARN_LEVEL_WARN,
+                            ER_LOG_PURGE_NO_FILE, ER(ER_LOG_PURGE_NO_FILE),
+                            log_info.log_file_name);
+	sql_print_information("Failed to execute my_stat on file '%s'",
+			      log_info.log_file_name);
+        my_errno= 0;
+      }
+      else
+      {
+        /*
+          Other than ENOENT are fatal
+        */
+        push_warning_printf(current_thd, MYSQL_ERROR::WARN_LEVEL_ERROR,
+                            ER_BINLOG_PURGE_FATAL_ERR,
+                            "a problem with getting info on being purged %s; "
+                            "consider examining correspondence "
+                            "of your binlog index file "
+                            "to the actual binlog files",
+                            log_info.log_file_name);
+        error= LOG_INFO_FATAL;
+        goto err;
+      }
+    }
+    else
+    {
+      if (stat_area.st_mtime >= purge_time)
         break;
-    my_delete(log_info.log_file_name, MYF(0));
-
+      if (my_delete(log_info.log_file_name, MYF(0)))
+      {
+        if (my_errno == ENOENT) 
+        {
+          /* It's not fatal even if we can't delete a log file */
+          push_warning_printf(current_thd, MYSQL_ERROR::WARN_LEVEL_WARN,
+                              ER_LOG_PURGE_NO_FILE, ER(ER_LOG_PURGE_NO_FILE),
+                              log_info.log_file_name);
+          sql_print_information("Failed to delete file '%s'",
+                                log_info.log_file_name);
+          my_errno= 0;
+        }
+        else
+        {
+          push_warning_printf(current_thd, MYSQL_ERROR::WARN_LEVEL_ERROR,
+                              ER_BINLOG_PURGE_FATAL_ERR,
+                              "a problem with deleting %s; "
+                              "consider examining correspondence "
+                              "of your binlog index file "
+                              "to the actual binlog files",
+                              log_info.log_file_name);
+          error= LOG_INFO_FATAL;
+          goto err;
+        }
+      }
       ha_binlog_index_purge_file(current_thd, log_info.log_file_name);
-
+    }
     if (find_next_log(&log_info, 0))
       break;
   }

sql/share/errmsg.txt

@@ -6120,3 +6120,5 @@ ER_NO_FORMAT_DESCRIPTION_EVENT_BEFORE_BINLOG_STATEMENT
   eng "The BINLOG statement of type `%s` was not preceded by a format description BINLOG statement."
 ER_SLAVE_CORRUPT_EVENT
   eng "Corrupted replication event was detected"
+ER_LOG_PURGE_NO_FILE  
+	eng "Being purged log %s was not found"

sql/sql_class.cc

@@ -1069,6 +1069,19 @@ bool THD::store_globals()
 
 void THD::cleanup_after_query()
 {
+  last_insert_id_used= FALSE;
+  if (clear_next_insert_id)
+  {
+    clear_next_insert_id= 0;
+    next_insert_id= 0;
+
+    /*
+      BUG#33029, if one statement in a SP set this member to 1, all
+      statment after this statement in the SP would be considered used
+      INSERT_ID value, reset this member after each query to fix this.
+    */
+    insert_id_used= 0;
+  }
   /*
     Reset rand_used so that detection of calls to rand() will save random 
     seeds if needed by the slave.

storage/blackhole/ha_blackhole.cc

@@ -97,7 +97,7 @@ const char *ha_blackhole::index_type(uint key_number)
 int ha_blackhole::write_row(uchar * buf)
 {
   DBUG_ENTER("ha_blackhole::write_row");
-  DBUG_RETURN(0);
+  DBUG_RETURN(table->next_number_field ? update_auto_increment() : 0);
 }
 
 int ha_blackhole::rnd_init(bool scan)