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, 32 insertions, 11 deletions

diff --git a/sql/sql_table.cc b/sql/sql_table.cc
index 94590f6faf2..4c06d4646fb 100644
--- a/sql/sql_table.cc
+++ b/sql/sql_table.cc
@@ -896,6 +896,7 @@ static int mysql_prepare_table(THD *thd, HA_CREATE_INFO *create_info,
 	else
 	{
 	  /* Field redefined */
+	  sql_field->def=		dup_field->def;
 	  sql_field->sql_type=		dup_field->sql_type;
 	  sql_field->charset=		(dup_field->charset ?
 					 dup_field->charset :
@@ -905,8 +906,15 @@ static int mysql_prepare_table(THD *thd, HA_CREATE_INFO *create_info,
           sql_field->key_length=	dup_field->key_length;
 	  sql_field->create_length_to_internal_length();
 	  sql_field->decimals=		dup_field->decimals;
-	  sql_field->flags=		dup_field->flags;
 	  sql_field->unireg_check=	dup_field->unireg_check;
+          /* 
+            We're making one field from two, the result field will have
+            dup_field->flags as flags. If we've incremented null_fields
+            because of sql_field->flags, decrement it back.
+          */
+          if (!(sql_field->flags & NOT_NULL_FLAG))
+            null_fields--;
+	  sql_field->flags=		dup_field->flags;
 	  it2.remove();			// Remove first (create) definition
 	  select_field_pos--;
 	  break;
@@ -2338,7 +2346,7 @@ static bool mysql_admin_table(THD* thd, TABLE_LIST* tables,
     /* if view are unsupported */
     if (table->view && view_operator_func == NULL)
     {
-      result_code= HA_ADMIN_NOT_IMPLEMENTED;
+      result_code= HA_ADMIN_NOT_BASE_TABLE;
       goto send_result;
     }
     thd->open_options&= ~extra_open_options;
@@ -2473,6 +2481,16 @@ send_result_message:
       }
       break;
 
+    case HA_ADMIN_NOT_BASE_TABLE:
+      {
+        char buf[ERRMSGSIZE+20];
+        uint length= my_snprintf(buf, ERRMSGSIZE,
+                                 ER(ER_BAD_TABLE_ERROR), table_name);
+        protocol->store("note", 4, system_charset_info);
+        protocol->store(buf, length, system_charset_info);
+      }
+      break;
+
     case HA_ADMIN_OK:
       protocol->store("status", 6, system_charset_info);
       protocol->store("OK",2, system_charset_info);
@@ -2573,16 +2591,19 @@ send_result_message:
         break;
       }
     }
-    if (fatal_error)
-      table->table->s->version=0;               // Force close of table
-    else if (open_for_modify)
+    if (table->table)
     {
-      pthread_mutex_lock(&LOCK_open);
-      remove_table_from_cache(thd, table->table->s->db,
-			      table->table->s->table_name, RTFC_NO_FLAG);
-      pthread_mutex_unlock(&LOCK_open);
-      /* May be something modified consequently we have to invalidate cache */
-      query_cache_invalidate3(thd, table->table, 0);
+      if (fatal_error)
+        table->table->s->version=0;               // Force close of table
+      else if (open_for_modify)
+      {
+        pthread_mutex_lock(&LOCK_open);
+        remove_table_from_cache(thd, table->table->s->db,
+                                table->table->s->table_name, RTFC_NO_FLAG);
+        pthread_mutex_unlock(&LOCK_open);
+        /* Something may be modified, that's why we have to invalidate cache */
+        query_cache_invalidate3(thd, table->table, 0);
+      }
     }
     close_thread_tables(thd);
     table->table=0;				// For query cache