Merge mysql.com:/home/mysql_src/mysql-5.0

into  mysql.com:/home/mysql_src/mysql-5.1-merge-of-5.0 (not all files are good,
I'll fix; I'll ask some devs to check their part)


BitKeeper/etc/ignore:
  auto-union
include/my_global.h:
  Auto merged
mysql-test/mysql-test-run.pl:
  Auto merged
mysql-test/mysql-test-run.sh:
  Auto merged
mysql-test/r/information_schema.result:
  Auto merged
mysql-test/t/view.test:
  Auto merged
scripts/mysql_fix_privilege_tables.sql:
  Auto merged
sql/field.cc:
  Auto merged
sql/item.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/opt_range.cc:
  Auto merged
sql/set_var.h:
  Auto merged
sql/sp.cc:
  Auto merged
sql/sp_head.cc:
  Auto merged
sql/sql_acl.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_lex.cc:
  Auto merged
sql/sql_lex.h:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_prepare.cc:
  Auto merged
sql/sql_repl.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_select.h:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/table.h:
  Auto merged
storage/myisam/mi_key.c:
  Auto merged
storage/ndb/src/kernel/blocks/dbtc/DbtcMain.cpp:
  Auto merged
storage/ndb/src/ndbapi/NdbImpl.hpp:
  Auto merged
storage/ndb/src/ndbapi/ndb_cluster_connection.cpp:
  Auto merged
support-files/mysql.spec.sh:
  Auto merged
configure.in:
  merge
mysql-test/r/ps_1general.result:
  merge ("ul", will fix)
sql/examples/ha_tina.cc:
  merge
sql/ha_innodb.cc:
  merge
sql/handler.h:
  merge
sql/log.cc:
  merge
sql/set_var.cc:
  merge
sql/share/errmsg.txt:
  merge (bad, will fix)
sql/sql_show.cc:
  merge (bad, will fix)
sql/sql_yacc.yy:
  merge
storage/ndb/src/ndbapi/NdbRecAttr.cpp:
  merge

1 files changed, 2 insertions, 62 deletions

diff --git a/sql/log.cc b/sql/log.cc
index c958196c466..593a5ab2bdc 100644
--- a/sql/log.cc
+++ b/sql/log.cc
@@ -77,7 +77,7 @@ handlerton binlog_hton = {
   NULL,                         /* Flush logs */
   NULL,                         /* Show status */
   NULL,                         /* Replication Report Sent Binlog */
-  HTON_NOT_USER_SELECTABLE
+  HTON_NOT_USER_SELECTABLE | HTON_HIDDEN
 };
 
 
@@ -368,8 +368,7 @@ static int find_uniq_filename(char *name)
 MYSQL_LOG::MYSQL_LOG()
   :bytes_written(0), last_time(0), query_start(0), name(0),
    prepared_xids(0), log_type(LOG_CLOSED), file_id(1), open_count(1),
-   readers_count(0), reset_pending(FALSE), write_error(FALSE), inited(FALSE),
-   need_start_event(TRUE),
+   write_error(FALSE), inited(FALSE), need_start_event(TRUE),
    description_event_for_exec(0), description_event_for_queue(0)
 {
   /*
@@ -396,9 +395,7 @@ void MYSQL_LOG::cleanup()
     delete description_event_for_exec;
     (void) pthread_mutex_destroy(&LOCK_log);
     (void) pthread_mutex_destroy(&LOCK_index);
-    (void) pthread_mutex_destroy(&LOCK_readers);
     (void) pthread_cond_destroy(&update_cond);
-    (void) pthread_cond_destroy(&reset_cond);
   }
   DBUG_VOID_RETURN;
 }
@@ -443,9 +440,7 @@ void MYSQL_LOG::init_pthread_objects()
   inited= 1;
   (void) pthread_mutex_init(&LOCK_log,MY_MUTEX_INIT_SLOW);
   (void) pthread_mutex_init(&LOCK_index, MY_MUTEX_INIT_SLOW);
-  (void) pthread_mutex_init(&LOCK_readers, MY_MUTEX_INIT_SLOW);
   (void) pthread_cond_init(&update_cond, 0);
-  (void) pthread_cond_init(&reset_cond, 0);
 }
 
 const char *MYSQL_LOG::generate_name(const char *log_name,
@@ -949,12 +944,6 @@ bool MYSQL_LOG::reset_logs(THD* thd)
   pthread_mutex_lock(&LOCK_log);
   pthread_mutex_lock(&LOCK_index);
 
-  /* 
-    we need one more lock to block attempts to open a log while
-    we are waiting untill all log files will be closed
-  */
-  pthread_mutex_lock(&LOCK_readers);
-
   /*
     The following mutex is needed to ensure that no threads call
     'delete thd' as we would then risk missing a 'rollback' from this
@@ -977,19 +966,6 @@ bool MYSQL_LOG::reset_logs(THD* thd)
     goto err;
   }
 
-  reset_pending= TRUE;
-  /* 
-    send update signal just in case so that all reader threads waiting
-    for log update will leave wait condition
-  */
-  signal_update();
-  /* 
-    if there are active readers wait until all of them will 
-    release opened files 
-  */
-  while (readers_count)
-    pthread_cond_wait(&reset_cond, &LOCK_log);
-
   for (;;)
   {
     my_delete(linfo.log_file_name, MYF(MY_WME));
@@ -1008,10 +984,7 @@ bool MYSQL_LOG::reset_logs(THD* thd)
   my_free((gptr) save_name, MYF(0));
 
 err:
-  reset_pending= FALSE;
-
   (void) pthread_mutex_unlock(&LOCK_thread_count);
-  pthread_mutex_unlock(&LOCK_readers);
   pthread_mutex_unlock(&LOCK_index);
   pthread_mutex_unlock(&LOCK_log);
   DBUG_RETURN(error);
@@ -2085,12 +2058,6 @@ void MYSQL_LOG::wait_for_update(THD* thd, bool is_slave)
 {
   const char *old_msg;
   DBUG_ENTER("wait_for_update");
-  
-  if (reset_pending)
-  {
-    pthread_mutex_unlock(&LOCK_log);
-    DBUG_VOID_RETURN;
-  }
 
   old_msg= thd->enter_cond(&update_cond, &LOCK_log,
                            is_slave ?
@@ -2342,33 +2309,6 @@ void MYSQL_LOG::signal_update()
   DBUG_VOID_RETURN;
 }
 
-void MYSQL_LOG::readers_addref()
-{
-  /* 
-    There is no necessity for reference counting on *nix, since it allows to
-    delete opened files, however it is more clean way to wait
-    untill all files will be closed on *nix as well.
-  */
-  DBUG_ENTER("MYSQL_LOG::reader_addref");
-  pthread_mutex_lock(&LOCK_log);
-  pthread_mutex_lock(&LOCK_readers);
-  readers_count++;
-  pthread_mutex_unlock(&LOCK_readers);
-  pthread_mutex_unlock(&LOCK_log);
-  DBUG_VOID_RETURN;
-}
-
-void MYSQL_LOG::readers_release()
-{
-  DBUG_ENTER("MYSQL_LOG::reader_release");
-  pthread_mutex_lock(&LOCK_log);
-  readers_count--;
-  if (!readers_count)
-    pthread_cond_broadcast(&reset_cond);
-  pthread_mutex_unlock(&LOCK_log);
-  DBUG_VOID_RETURN;
-}
-
 #ifdef __NT__
 void print_buffer_to_nt_eventlog(enum loglevel level, char *buff,
                                  uint length, int buffLen)