Merge mysql.com:/home/gluh/MySQL/Merge/5.1

into  mysql.com:/home/gluh/MySQL/Merge/5.1-opt


BitKeeper/etc/ignore:
  auto-union
mysql-test/r/events_bugs.result:
  Auto merged
mysql-test/r/partition.result:
  Auto merged
mysql-test/r/ps_2myisam.result:
  Auto merged
mysql-test/r/ps_3innodb.result:
  Auto merged
mysql-test/r/ps_4heap.result:
  Auto merged
mysql-test/r/ps_5merge.result:
  Auto merged
mysql-test/r/sp.result:
  Auto merged
mysql-test/t/partition.test:
  Auto merged
mysql-test/t/subselect.test:
  Auto merged
mysql-test/t/variables.test:
  Auto merged
sql/field.cc:
  Auto merged
sql/ha_partition.cc:
  Auto merged
sql/item.cc:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/item_subselect.cc:
  Auto merged
sql/item_timefunc.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/opt_range.cc:
  Auto merged
sql/set_var.cc:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_partition.cc:
  Auto merged
sql/sql_plugin.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_udf.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
sql/share/errmsg.txt:
  Auto merged
tests/mysql_client_test.c:
  Auto merged
mysql-test/r/select.result:
  manual merge
mysql-test/t/select.test:
  manual merge

1 files changed, 22 insertions, 6 deletions

diff --git a/sql/ha_partition.cc b/sql/ha_partition.cc
index b53a5e3da97..1400d9da753 100644
--- a/sql/ha_partition.cc
+++ b/sql/ha_partition.cc
@@ -2794,16 +2794,28 @@ exit:
 int ha_partition::update_row(const uchar *old_data, uchar *new_data)
 {
   uint32 new_part_id, old_part_id;
-  int error;
+  int error= 0;
   longlong func_value;
+  timestamp_auto_set_type orig_timestamp_type= table->timestamp_field_type;
   DBUG_ENTER("ha_partition::update_row");
 
+  /*
+    We need to set timestamp field once before we calculate
+    the partition. Then we disable timestamp calculations
+    inside m_file[*]->update_row() methods
+  */
+  if (orig_timestamp_type & TIMESTAMP_AUTO_SET_ON_UPDATE)
+  {
+    table->timestamp_field->set_time();
+    table->timestamp_field_type= TIMESTAMP_NO_AUTO_SET;
+  }
+
   if ((error= get_parts_for_update(old_data, new_data, table->record[0],
                                    m_part_info, &old_part_id, &new_part_id,
                                    &func_value)))
   {
     m_part_info->err_value= func_value;
-    DBUG_RETURN(error);
+    goto exit;
   }
 
   /*
@@ -2815,23 +2827,27 @@ int ha_partition::update_row(const uchar *old_data, uchar *new_data)
   if (new_part_id == old_part_id)
   {
     DBUG_PRINT("info", ("Update in partition %d", new_part_id));
-    DBUG_RETURN(m_file[new_part_id]->update_row(old_data, new_data));
+    error= m_file[new_part_id]->update_row(old_data, new_data);
+    goto exit;
   }
   else
   {
     DBUG_PRINT("info", ("Update from partition %d to partition %d",
 			old_part_id, new_part_id));
     if ((error= m_file[new_part_id]->write_row(new_data)))
-      DBUG_RETURN(error);
+      goto exit;
     if ((error= m_file[old_part_id]->delete_row(old_data)))
     {
 #ifdef IN_THE_FUTURE
       (void) m_file[new_part_id]->delete_last_inserted_row(new_data);
 #endif
-      DBUG_RETURN(error);
+      goto exit;
     }
   }
-  DBUG_RETURN(0);
+
+exit:
+  table->timestamp_field_type= orig_timestamp_type;
+  DBUG_RETURN(error);
 }