bk commit into 5.0 tree (Justin.He:1.2255) BUG#21036

[jhe]

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ChangeSet@stripped, 2006-09-20 18:17:29+08:00, Justin.He@stripped +2 -0
  BUG #21036, myOperation->getBlobHandle(..) on non-existing column cause segmentation fault
  
  add judgement to avoid NULL pointer's operation(segmentaion fault)

  ndb/src/ndbapi/NdbOperation.cpp@stripped, 2006-09-20 18:17:24+08:00, Justin.He@stripped +18 -2
    if getColumn return NULL, set error code and return NULL in getBlobHandle

  ndb/src/ndbapi/ndberror.c@stripped, 2006-09-20 18:17:24+08:00, Justin.He@stripped +1 -1
    change the err message more appropriate

# 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:	Justin.He
# Host:	qa3-104.qa.cn.tlan
# Root:	/mnt/sda7/justin.he/mysql/mysql-5.0/bug21036-mysql-5.0

--- 1.16/ndb/src/ndbapi/NdbOperation.cpp	2006-09-20 18:17:43 +08:00
+++ 1.17/ndb/src/ndbapi/NdbOperation.cpp	2006-09-20 18:17:43 +08:00
@@ -319,13 +319,29 @@
 NdbBlob*
 NdbOperation::getBlobHandle(const char* anAttrName)
 {
-  return getBlobHandle(theNdbCon, m_currentTable->getColumn(anAttrName));
+  if (m_currentTable->getColumn(anAttrName) == NULL)
+  {
+    setErrorCode(4004);
+    return NULL;
+  }
+  else
+  {
+    return getBlobHandle(theNdbCon, m_currentTable->getColumn(anAttrName));
+  }
 }
 
 NdbBlob*
 NdbOperation::getBlobHandle(Uint32 anAttrId)
 {
-  return getBlobHandle(theNdbCon, m_currentTable->getColumn(anAttrId));
+  if (m_currentTable->getColumn(anAttrId) == NULL)
+  {
+    setErrorCode(4004);
+    return NULL;
+  }
+  else
+  {
+    return getBlobHandle(theNdbCon, m_currentTable->getColumn(anAttrId));
+  }
 }
 
 int

--- 1.48/ndb/src/ndbapi/ndberror.c	2006-09-20 18:17:43 +08:00
+++ 1.49/ndb/src/ndbapi/ndberror.c	2006-09-20 18:17:43 +08:00
@@ -401,7 +401,7 @@
    * Still uncategorized
    */
   { 720,  AE, "Attribute name reused in table definition" },
-  { 4004, AE, "Attribute name not found in the Table" },
+  { 4004, AE, "Attribute name or id not found in the Table" },
   
   { 4100, AE, "Status Error in NDB" },
   { 4101, AE, "No connections to NDB available and connect failed" },