Merge dev3-221.dev.cn.tlan:/home/ngb/mysql/mysql-5.0/bug18676

into  dev3-221.dev.cn.tlan:/home/ngb/mysql/mysql-5.1/bug18676

mysql-test/r/ndb_autodiscover.result

@@ -382,7 +382,7 @@ create table t1 (a int primary key) engine=ndb;
 select * from t1;
 a
 select * from t1;
-ERROR HY000: Can't lock file (errno: 4009)
+ERROR HY000: Can't lock file (errno: 157)
 use test;
 drop database test_only_ndb_tables;
 CREATE TABLE t9 (

sql/ha_ndbcluster.cc

@@ -221,7 +221,6 @@ static int ndb_to_mysql_error(const NdbError *ndberr)
 {
   /* read the mysql mapped error code */
   int error= ndberr->mysql_code;
-
   switch (error)
   {
     /* errors for which we do not add warnings, just return mapped error code
@@ -240,7 +239,6 @@ static int ndb_to_mysql_error(const NdbError *ndberr)
   default:
     break;
   }
-
   /*
     Push the NDB error message as warning
     - Used to be able to use SHOW WARNINGS toget more info on what the error is

sql/handler.cc

@@ -2865,8 +2865,8 @@ ha_find_files(THD *thd,const char *db,const char *path,
   Ask handler if the table exists in engine
 
   RETURN
-    0                   Table does not exist
-    1                   Table exists
+    HA_ERR_NO_SUCH_TABLE     Table does not exist
+    HA_ERR_TABLE_EXIST       Table exists
     #                        Error code
 
 */
@@ -2891,7 +2891,7 @@ static my_bool table_exists_in_engine_handlerton(THD *thd, st_plugin_int *plugin
 
 int ha_table_exists_in_engine(THD* thd, const char* db, const char* name)
 {
-  int error= 0;
+  int error= HA_ERR_NO_SUCH_TABLE;
   DBUG_ENTER("ha_table_exists_in_engine");
   DBUG_PRINT("enter", ("db: %s, name: %s", db, name));
   st_table_exists_in_engine_args args= {db, name};

sql/sql_table.cc

@@ -3439,6 +3439,7 @@ bool mysql_create_table_internal(THD *thd,
       error= 0;
       goto err;
     }
+    DBUG_PRINT("info",("1"));
     my_error(ER_TABLE_EXISTS_ERROR, MYF(0), alias);
     goto err;
   }
@@ -3450,6 +3451,7 @@ bool mysql_create_table_internal(THD *thd,
     {
       if (create_info->options & HA_LEX_CREATE_IF_NOT_EXISTS)
         goto warn;
+      DBUG_PRINT("info",("2"));
       my_error(ER_TABLE_EXISTS_ERROR,MYF(0),table_name);
       goto unlock_and_end;
     }
@@ -3481,6 +3483,7 @@ bool mysql_create_table_internal(THD *thd,
   {
     bool create_if_not_exists =
       create_info->options & HA_LEX_CREATE_IF_NOT_EXISTS;
+
     if (ha_table_exists_in_engine(thd, db, table_name))
     {
       DBUG_PRINT("info", ("Table with same name already existed in handler"));