bk commit into 5.0 tree (joreland:1.1930) BUG#10190

[jonas.oreland]

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ChangeSet
  1.1930 05/06/07 12:50:42 joreland@stripped +1 -0
  ndb - backup/restore, fix count of dist keys
    better fix for bug#10190

  ndb/src/ndbapi/NdbDictionaryImpl.cpp
    1.80 05/06/07 12:50:39 joreland@stripped +8 -6
    better fix for bug#10190

# 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:	joreland
# Host:	eel.ndb.mysql.com.ndb.mysql.com
# Root:	/home/jonas/src/mysql-5.0

--- 1.79/ndb/src/ndbapi/NdbDictionaryImpl.cpp	Thu May 26 14:02:30 2005
+++ 1.80/ndb/src/ndbapi/NdbDictionaryImpl.cpp	Tue Jun  7 12:50:39 2005
@@ -1605,6 +1605,7 @@
 
   bool haveAutoIncrement = false;
   Uint64 autoIncrementValue = 0;
+  Uint32 distKeys= 0;
   for(i = 0; i<sz; i++){
     const NdbColumnImpl * col = impl.m_columns[i];
     if(col == 0)
@@ -1616,7 +1617,9 @@
       }
       haveAutoIncrement = true;
       autoIncrementValue = col->m_autoIncrementInitialValue;
-     }
+    }
+    if (col->m_distributionKey)
+      distKeys++;
   }
 
   // Check max length of frm data
@@ -1649,11 +1652,10 @@
     abort();
   }
   
-  int distKeys= impl.m_noOfDistributionKeys && 
-    impl.m_noOfDistributionKeys < impl.m_noOfKeys;
+  if (distKeys == impl.m_noOfKeys)
+    distKeys= 0;
+  impl.m_noOfDistributionKeys= distKeys;
   
-  assert(distKeys == 0 || distKeys == 1);
-
   for(i = 0; i<sz; i++){
     const NdbColumnImpl * col = impl.m_columns[i];
     if(col == 0)
@@ -1665,7 +1667,7 @@
     tmpAttr.AttributeId = i;
     tmpAttr.AttributeKeyFlag = col->m_pk;
     tmpAttr.AttributeNullableFlag = col->m_nullable;
-    tmpAttr.AttributeDKey = distKeys * col->m_distributionKey;
+    tmpAttr.AttributeDKey = distKeys ? col->m_distributionKey : 0;
 
     tmpAttr.AttributeExtType = (Uint32)col->m_type;
     tmpAttr.AttributeExtPrecision = ((unsigned)col->m_precision & 0xFFFF);