manually merged

Gluh's SESSION/GLOBAL for @variables fix in sql_yacc.yy and
Bar's well_formed_len() changes in ndb code
did not make it and should be re-applied manually


BitKeeper/etc/logging_ok:
  auto-union
include/m_ctype.h:
  Auto merged
innobase/btr/btr0pcur.c:
  Auto merged
innobase/include/btr0pcur.h:
  Auto merged
innobase/include/os0file.h:
  Auto merged
innobase/os/os0file.c:
  Auto merged
innobase/row/row0sel.c:
  Auto merged
innobase/srv/srv0start.c:
  Auto merged
mysql-test/r/user_var.result:
  Auto merged
mysql-test/t/user_var.test:
  Auto merged
ndb/include/ndbapi/NdbTransaction.hpp:
  Auto merged
ndb/src/ndbapi/NdbTransaction.cpp:
  Auto merged
ndb/tools/desc.cpp:
  Auto merged
strings/ctype-big5.c:
  Auto merged
strings/ctype-mb.c:
  Auto merged
strings/ctype-simple.c:
  Auto merged
strings/ctype-sjis.c:
  Auto merged
strings/ctype-ucs2.c:
  Auto merged
strings/ctype-ujis.c:
  Auto merged
BitKeeper/deleted/.del-NdbResultSet.cpp~84d192cf3f42600d:
  ul
ndb/include/ndbapi/NdbScanOperation.hpp:
  ul
ndb/src/ndbapi/NdbIndexOperation.cpp:
  ul
ndb/src/ndbapi/NdbOperationDefine.cpp:
  ul
ndb/src/ndbapi/NdbOperationSearch.cpp:
  ul
ndb/src/ndbapi/NdbScanOperation.cpp:
  ul
sql/field.cc:
  manually merged, because bk messed it up
sql/sql_yacc.yy:
  merged

2 files changed, 32 insertions, 0 deletions

diff --git a/ndb/include/ndbapi/NdbTransaction.hpp b/ndb/include/ndbapi/NdbTransaction.hpp
index 50e4e766803..2e102b104d8 100644
--- a/ndb/include/ndbapi/NdbTransaction.hpp
+++ b/ndb/include/ndbapi/NdbTransaction.hpp
@@ -658,6 +658,7 @@ private:
   // Release all cursor operations in connection
   void releaseOps(NdbOperation*);	
   void releaseScanOperations(NdbIndexScanOperation*);	
+  void releaseExecutedScanOperation(NdbIndexScanOperation*);
 
   // Set the transaction identity of the transaction
   void		setTransactionId(Uint64 aTransactionId);
diff --git a/ndb/src/ndbapi/NdbTransaction.cpp b/ndb/src/ndbapi/NdbTransaction.cpp
index 67581e4a0f8..c2ded3560fc 100644
--- a/ndb/src/ndbapi/NdbTransaction.cpp
+++ b/ndb/src/ndbapi/NdbTransaction.cpp
@@ -949,6 +949,37 @@ NdbTransaction::releaseScanOperations(NdbIndexScanOperation* cursorOp)
 }//NdbTransaction::releaseScanOperations()
 
 /*****************************************************************************
+void releaseExecutedScanOperation();
+
+Remark:         Release scan op when hupp'ed trans closed (save memory)
+******************************************************************************/
+void 
+NdbConnection::releaseExecutedScanOperation(NdbIndexScanOperation* cursorOp)
+{
+  DBUG_ENTER("NdbConnection::releaseExecutedScanOperation");
+  DBUG_PRINT("enter", ("this=0x%x op=0x%x", (UintPtr)this, (UintPtr)cursorOp))
+
+  // here is one reason to make op lists doubly linked
+  if (m_firstExecutedScanOp == cursorOp) {
+    m_firstExecutedScanOp = (NdbIndexScanOperation*)cursorOp->theNext;
+    cursorOp->release();
+    theNdb->releaseScanOperation(cursorOp);
+  } else if (m_firstExecutedScanOp != NULL) {
+    NdbIndexScanOperation* tOp = m_firstExecutedScanOp;
+    while (tOp->theNext != NULL) {
+      if (tOp->theNext == cursorOp) {
+        tOp->theNext = cursorOp->theNext;
+        cursorOp->release();
+        theNdb->releaseScanOperation(cursorOp);
+        break;
+      }
+      tOp = (NdbIndexScanOperation*)tOp->theNext;
+    }
+  }
+  DBUG_VOID_RETURN;
+}//NdbConnection::releaseExecutedScanOperation()
+
+/*****************************************************************************
 NdbOperation* getNdbOperation(const char* aTableName);
 
 Return Value    Return a pointer to a NdbOperation object if getNdbOperation