bk commit into 5.1 tree (jonas:1.2532)

[jonas]

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5.1 repository of jonas. When jonas does a push these changes will
be propagated to the main repository and, within 24 hours after the
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ChangeSet@stripped, 2007-04-14 09:35:13+02:00, jonas@stripped +1 -0
  ndb - rp
    make sure null fields dont affect alignment

  storage/ndb/src/kernel/blocks/dbtup/DbtupRoutines.cpp@stripped, 2007-04-14 09:35:11+02:00, jonas@stripped +11 -3
    make sure null fields dont affect alignment

# 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:	jonas
# Host:	perch.ndb.mysql.com
# Root:	/home/jonas/src/51-telco-rp

--- 1.45/storage/ndb/src/kernel/blocks/dbtup/DbtupRoutines.cpp	2007-04-14 09:35:19 +02:00
+++ 1.46/storage/ndb/src/kernel/blocks/dbtup/DbtupRoutines.cpp	2007-04-14 09:35:19 +02:00
@@ -2361,6 +2361,7 @@
           ndbassert((outPos & 3) == 0);
         }
         
+        Uint32 save[2] = { outPos, outBits };
         switch(AttributeDescriptor::getSize(attrDesc1)){
         case 0: // bit
           outPos = (outPos + 3) & ~(Uint32)3;
@@ -2375,6 +2376,10 @@
           outPos = ((outPos + 3) & ~(Uint32)3) + 4 * ((outBits + 31) >> 5);
           outBits = 0;
           break;
+#ifdef VM_TRACE
+        default:
+          ndbrequire(false);
+#endif
         }
         
         req_struct->out_buf_index = outPos;
@@ -2384,6 +2389,10 @@
         {
           jam();
           BitmaskImpl::set(masksz, dstmask, maskpos);
+
+          outPos = req_struct->out_buf_index;
+          outBits = req_struct->out_buf_bits;
+
           if (nullable.get(attrId))
           {
             jam();
@@ -2392,11 +2401,10 @@
             {
               jam();
               BitmaskImpl::set(masksz, dstmask, maskpos);
+              outPos = save[0];
+              outBits = save[1];
             }
           }
-          outPos = req_struct->out_buf_index;
-          outBits = req_struct->out_buf_bits;
-          
           continue;
         } else {
           goto error;