=== modified file 'storage/ndb/src/ndbapi/NdbScanOperation.cpp'
--- storage/ndb/src/ndbapi/NdbScanOperation.cpp	2009-03-06 18:06:17 +0000
+++ storage/ndb/src/ndbapi/NdbScanOperation.cpp	2009-03-10 16:28:59 +0000
@@ -879,6 +879,7 @@ NdbIndexScanOperation::setBound(const Nd
   Uint32 key_count, common_key_count;
   Uint32 range_no;
   Uint32 bound_head;
+  bool isEqBound;
 
   range_no= bound.range_no;
   if (unlikely(range_no > MaxRangeNo))
@@ -915,26 +916,51 @@ NdbIndexScanOperation::setBound(const Nd
     return -1;
   }
 
-  for (j= 0; j<key_count; j++)
+  /* If low and high key pointers are the same and key counts are
+   * the same, we send as an Eq bound to save bandwidth
+   */
+  isEqBound= 
+    (bound.low_key == bound.high_key) &&
+    (bound.low_key_count == bound.high_key_count) &&
+    (bound.low_inclusive && bound.high_inclusive); // Does this matter?
+
+  if (isEqBound)
   {
-    Uint32 bound_type;
-    /* If key is part of lower bound */
-    if (bound.low_key && j<bound.low_key_count)
-    {
-      /* Inclusive if defined, or matching rows can include this value */
-      bound_type= bound.low_inclusive  || j+1 < bound.low_key_count ?
-        BoundLE : BoundLT;
+    /* Using BoundEQ will result in bound being sent only once */
+    for (j= 0; j<key_count; j++)
+    {
       ndbrecord_insert_bound(key_record, key_record->key_indexes[j],
-                             bound.low_key, bound_type);
+                             bound.low_key, BoundEQ);
     }
-    /* If key is part of upper bound */
-    if (bound.high_key && j<bound.high_key_count)
+  }
+  else
+  {
+    /* Distinct upper and lower bounds, must specify them independently */
+    /* Note :  Protocol allows individual columns to be specified as EQ
+     * or some prefix of columns.  This is not currently supported from
+     * NDBAPI.
+     */
+    for (j= 0; j<key_count; j++)
     {
-      /* Inclusive if defined, or matching rows can include this value */
-      bound_type= bound.high_inclusive  || j+1 < bound.high_key_count ?
-        BoundGE : BoundGT;
-      ndbrecord_insert_bound(key_record, key_record->key_indexes[j],
-                             bound.high_key, bound_type);
+      Uint32 bound_type;
+      /* If key is part of lower bound */
+      if (bound.low_key && j<bound.low_key_count)
+      {
+        /* Inclusive if defined, or matching rows can include this value */
+        bound_type= bound.low_inclusive  || j+1 < bound.low_key_count ?
+          BoundLE : BoundLT;
+        ndbrecord_insert_bound(key_record, key_record->key_indexes[j],
+                               bound.low_key, bound_type);
+      }
+      /* If key is part of upper bound */
+      if (bound.high_key && j<bound.high_key_count)
+      {
+        /* Inclusive if defined, or matching rows can include this value */
+        bound_type= bound.high_inclusive  || j+1 < bound.high_key_count ?
+          BoundGE : BoundGT;
+        ndbrecord_insert_bound(key_record, key_record->key_indexes[j],
+                               bound.high_key, bound_type);
+      }
     }
   }