Merge with 4.0

BitKeeper/etc/gone:
  auto-union
BitKeeper/etc/ignore:
  auto-union
BitKeeper/etc/logging_ok:
  auto-union
BitKeeper/deleted/.del-.my_sys.h.swp~f6a4a7f8dae03f18:
  Auto merged
BitKeeper/etc/config:
  Auto merged
acconfig.h:
  Auto merged
acinclude.m4:
  Auto merged
Docs/manual.texi:
  Auto merged
client/mysqlcheck.c:
  Auto merged
client/mysqlshow.c:
  Auto merged
include/myisam.h:
  Auto merged
include/violite.h:
  Auto merged
isam/pack_isam.c:
  Auto merged
libmysql/libmysql.c:
  Auto merged
libmysqld/lib_sql.cc:
  Auto merged
myisam/Makefile.am:
  Auto merged
myisam/ft_nlq_search.c:
  Auto merged
myisam/mi_open.c:
  Auto merged
myisam/mi_write.c:
  Auto merged
myisam/sort.c:
  Auto merged
mysql-test/mysql-test-run.sh:
  Auto merged
mysql-test/r/fulltext.result:
  Auto merged
mysql-test/r/func_test.result:
  Auto merged
mysql-test/r/isam.result:
  Auto merged
mysql-test/r/rpl_replicate_do.result:
  Auto merged
mysql-test/r/variables.result:
  Auto merged
mysql-test/t/func_test.test:
  Auto merged
mysql-test/t/myisam.test:
  Auto merged
mysql-test/t/rpl_rotate_logs.test:
  Auto merged
mysql-test/t/variables.test:
  Auto merged
mysys/hash.c:
  Auto merged
mysys/tree.c:
  Auto merged
scripts/Makefile.am:
  Auto merged
sql/Makefile.am:
  Auto merged
sql/filesort.cc:
  Auto merged
sql/gen_lex_hash.cc:
  Auto merged
sql/ha_berkeley.cc:
  Auto merged
sql/ha_innodb.cc:
  Auto merged
sql/handler.cc:
  Auto merged
sql/handler.h:
  Auto merged
sql/hash_filo.h:
  Auto merged
sql/hostname.cc:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/item_func.h:
  Auto merged
sql/item_timefunc.cc:
  Auto merged
sql/lex.h:
  Auto merged
sql/lock.cc:
  Auto merged
sql/log.cc:
  Auto merged
sql/log_event.h:
  Auto merged
sql/mini_client.cc:
  Auto merged
sql/opt_range.cc:
  Auto merged
sql/opt_sum.cc:
  Auto merged
sql/repl_failsafe.cc:
  Auto merged
sql/set_var.h:
  Auto merged
sql/slave.h:
  Auto merged
sql/sql_acl.cc:
  Auto merged
sql/sql_analyse.cc:
  Auto merged
sql/sql_cache.cc:
  Auto merged
sql/sql_insert.cc:
  Auto merged
sql/sql_load.cc:
  Auto merged
sql/sql_rename.cc:
  Auto merged
sql/sql_repl.cc:
  Auto merged
sql/sql_show.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/sql_udf.cc:
  Auto merged
sql/share/czech/errmsg.txt:
  Auto merged
sql/share/danish/errmsg.txt:
  Auto merged
sql/share/dutch/errmsg.txt:
  Auto merged
sql/share/english/errmsg.txt:
  Auto merged
sql/share/estonian/errmsg.txt:
  Auto merged
sql/share/french/errmsg.txt:
  Auto merged
sql/share/german/errmsg.txt:
  Auto merged
sql/share/greek/errmsg.txt:
  Auto merged
sql/share/hungarian/errmsg.txt:
  Auto merged
sql/share/italian/errmsg.txt:
  Auto merged
sql/share/japanese/errmsg.txt:
  Auto merged
sql/share/korean/errmsg.txt:
  Auto merged
sql/share/norwegian/errmsg.txt:
  Auto merged
sql/table.h:
  Auto merged
sql/unireg.cc:
  Auto merged
sql-bench/server-cfg.sh:
  Auto merged
sql/share/norwegian-ny/errmsg.txt:
  Auto merged
sql/share/polish/errmsg.txt:
  Auto merged
sql/share/portuguese/errmsg.txt:
  Auto merged
sql/share/romanian/errmsg.txt:
  Auto merged
sql/share/russian/errmsg.txt:
  Auto merged
sql/share/slovak/errmsg.txt:
  Auto merged
sql/share/spanish/errmsg.txt:
  Auto merged
sql/share/swedish/errmsg.txt:
  Auto merged
sql/share/ukrainian/errmsg.txt:
  Auto merged
sql/ha_myisam.cc:
  Merge with 4.0
  Removed some commented code
sql/sql_db.cc:
  Merge with 4.0
  Optimized the logging of the drop db call a bit
sql/sql_update.cc:
  Added comment

1 files changed, 7 insertions, 5 deletions

diff --git a/sql/lock.cc b/sql/lock.cc
index 3b2444c8e9d..74d1109b203 100644
--- a/sql/lock.cc
+++ b/sql/lock.cc
@@ -80,7 +80,7 @@ extern HASH open_cache;
 
 static MYSQL_LOCK *get_lock_data(THD *thd, TABLE **table,uint count,
 				 bool unlock, TABLE **write_locked);
-static int lock_external(TABLE **table,uint count);
+static int lock_external(THD *thd, TABLE **table,uint count);
 static int unlock_external(THD *thd, TABLE **table,uint count);
 static void print_lock_error(int error);
 
@@ -116,14 +116,14 @@ MYSQL_LOCK *mysql_lock_tables(THD *thd,TABLE **tables,uint count)
     }
 
     thd->proc_info="System lock";
-    if (lock_external(tables,count))
+    if (lock_external(thd, tables, count))
     {
       my_free((gptr) sql_lock,MYF(0));
       sql_lock=0;
       thd->proc_info=0;
       break;
     }
-    thd->proc_info=0;
+    thd->proc_info="Table lock";
     thd->locked=1;
     if (thr_multi_lock(sql_lock->locks,sql_lock->lock_count))
     {
@@ -142,6 +142,7 @@ MYSQL_LOCK *mysql_lock_tables(THD *thd,TABLE **tables,uint count)
       thd->locked=0;
       break;
     }
+    thd->proc_info=0;
 
     /* some table was altered or deleted. reopen tables marked deleted */
     mysql_unlock_tables(thd,sql_lock);
@@ -151,6 +152,7 @@ retry:
     if (wait_for_tables(thd))
       break;					// Couldn't open tables
   }
+  thd->proc_info=0;
   if (thd->killed)
   {
     my_error(ER_SERVER_SHUTDOWN,MYF(0));
@@ -166,15 +168,15 @@ retry:
 }
 
 
-static int lock_external(TABLE **tables,uint count)
+static int lock_external(THD *thd, TABLE **tables, uint count)
 {
   reg1 uint i;
   int lock_type,error;
-  THD *thd=current_thd;
   DBUG_ENTER("lock_external");
 
   for (i=1 ; i <= count ; i++, tables++)
   {
+    DBUG_ASSERT((*tables)->reginfo.lock_type >= TL_READ);
     lock_type=F_WRLCK;				/* Lock exclusive */
     if ((*tables)->db_stat & HA_READ_ONLY ||
 	((*tables)->reginfo.lock_type >= TL_READ &&