bk commit into 5.1 tree (mskold:1.2485) BUG#26591

[Martin Skold]

Below is the list of changes that have just been committed into a local
5.1 repository of marty. When marty does a push these changes will
be propagated to the main repository and, within 24 hours after the
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ChangeSet@stripped, 2007-03-16 08:51:29+01:00, mskold@stripped +1 -0
  bug #26591 Cluster handler does not set bits in null bytes correctly: Set filler bits and unmark the ones with values by calling field->set_notnull()

  sql/ha_ndbcluster.cc@stripped, 2007-03-16 08:51:00+01:00, mskold@stripped +6 -2
    bug #26591 Cluster handler does not set bits in null bytes correctly: Set filler bits and unmark the ones with values by calling field->set_notnull()

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	mskold
# Host:	linux.site
# Root:	/windows/Linux_space/MySQL/mysql-5.1-new-ndb

--- 1.420/sql/ha_ndbcluster.cc	2007-03-16 08:51:39 +01:00
+++ 1.421/sql/ha_ndbcluster.cc	2007-03-16 08:51:39 +01:00
@@ -3109,11 +3109,15 @@ void ndb_unpack_record(TABLE *table, Ndb
   my_bitmap_map *old_map= dbug_tmp_use_all_columns(table, table->write_set);
   DBUG_ENTER("ndb_unpack_record");
 
+ // Set filler bits
+  if (table->s->null_bytes > 0)
+       buf[table->s->null_bytes - 1]|= 256U - (1U <<
+					       table->s->last_null_bit_pos);
   // Set null flag(s)
-  bzero(buf, table->s->null_bytes);
   for ( ; field;
        p_field++, value++, field= *p_field)
   {
+    field->set_notnull(row_offset);       
     if ((*value).ptr)
     {
       if (!(field->flags & BLOB_FLAG))
@@ -3123,7 +3127,7 @@ void ndb_unpack_record(TABLE *table, Ndb
         {
           if (is_null > 0)
           {
-            DBUG_PRINT("info",("[%u] NULL",
+	    DBUG_PRINT("info",("[%u] NULL",
                                (*value).rec->getColumn()->getColumnNo()));
             field->set_null(row_offset);
           }