bk commit into 5.1 tree (tomas:1.2012) BUG#18597

[tomas]

Below is the list of changes that have just been committed into a local
5.1 repository of tomas. When tomas does a push these changes will
be propagated to the main repository and, within 24 hours after the
push, to the public repository.
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see http://dev.mysql.com/doc/mysql/en/installing-source-tree.html

ChangeSet
  1.2012 06/04/26 09:46:18 tomas@stripped +2 -0
  ndb - bug#18597
      Handle early abort of scan, so that resources are correctly freed

  storage/ndb/src/kernel/blocks/dbtc/DbtcMain.cpp
    1.98 06/04/26 09:46:00 tomas@stripped +25 -12
    ndb - bug#18597
        Handle early abort of scan, so that resources are correctly freed

  storage/ndb/src/kernel/blocks/dbtc/Dbtc.hpp
    1.35 06/04/26 09:46:00 tomas@stripped +3 -2
    ndb - bug#18597
        Handle early abort of scan, so that resources are correctly freed

# 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:	tomas
# Host:	poseidon.ndb.mysql.com
# Root:	/home/tomas/wl2325-alcatel

--- 1.34/storage/ndb/src/kernel/blocks/dbtc/Dbtc.hpp	2006-03-24 17:11:37 +01:00
+++ 1.35/storage/ndb/src/kernel/blocks/dbtc/Dbtc.hpp	2006-04-26 09:46:00 +02:00
@@ -1414,7 +1414,7 @@
 		   const UintR scanParallel, 
 		   const UintR noOprecPerFrag);
   void initScanfragrec(Signal* signal);
-  void releaseScanResources(ScanRecordPtr);
+  void releaseScanResources(ScanRecordPtr, bool not_started = false);
   ScanRecordPtr seizeScanrec(Signal* signal);
   void sendScanFragReq(Signal*, ScanRecord*, ScanFragRec*);
   void sendScanTabConf(Signal* signal, ScanRecordPtr);
@@ -1561,7 +1561,8 @@
   void signalErrorRefuseLab(Signal* signal);
   void abort080Lab(Signal* signal);
   void packKeyData000Lab(Signal* signal, BlockReference TBRef, Uint32 len);
-  void abortScanLab(Signal* signal, ScanRecordPtr, Uint32 errCode);
+  void abortScanLab(Signal* signal, ScanRecordPtr, Uint32 errCode, 
+		    bool not_started = false);
   void sendAbortedAfterTimeout(Signal* signal, int Tcheck);
   void abort010Lab(Signal* signal);
   void abort015Lab(Signal* signal);

--- 1.97/storage/ndb/src/kernel/blocks/dbtc/DbtcMain.cpp	2006-03-24 17:11:37 +01:00
+++ 1.98/storage/ndb/src/kernel/blocks/dbtc/DbtcMain.cpp	2006-04-26 09:46:00 +02:00
@@ -8852,17 +8852,17 @@
 
 scanAttrinfo_attrbuf_error:
   jam();
-  abortScanLab(signal, scanptr, ZGET_ATTRBUF_ERROR);
+  abortScanLab(signal, scanptr, ZGET_ATTRBUF_ERROR, true);
   return;
 
 scanAttrinfo_attrbuf2_error:
   jam();
-  abortScanLab(signal, scanptr, ZGET_ATTRBUF_ERROR);
+  abortScanLab(signal, scanptr, ZGET_ATTRBUF_ERROR, true);
   return;
 
 scanAttrinfo_len_error:
   jam();
-  abortScanLab(signal, scanptr, ZLENGTH_ERROR);
+  abortScanLab(signal, scanptr, ZLENGTH_ERROR, true);
   return;
 }//Dbtc::scanAttrinfoLab()
 
@@ -8878,7 +8878,8 @@
     ;
   } else {
     abortScanLab(signal, scanptr, 
-		 tabPtr.p->getErrorCode(scanptr.p->scanSchemaVersion));
+		 tabPtr.p->getErrorCode(scanptr.p->scanSchemaVersion),
+		 true);
     return;
   }
 
@@ -8945,13 +8946,13 @@
   ndbrequire(scanptr.p->scanState == ScanRecord::WAIT_FRAGMENT_COUNT);
   if (apiConnectptr.p->apiFailState == ZTRUE) {
     jam();
-    releaseScanResources(scanptr);
+    releaseScanResources(scanptr, true);
     handleApiFailState(signal, apiConnectptr.i);
     return;
   }//if
   if (tfragCount == 0) {
     jam();
-    abortScanLab(signal, scanptr, ZNO_FRAGMENT_ERROR);
+    abortScanLab(signal, scanptr, ZNO_FRAGMENT_ERROR, true);
     return;
   }//if
   
@@ -8965,7 +8966,8 @@
     ;
   } else {
     abortScanLab(signal, scanptr,
-		 tabPtr.p->getErrorCode(scanptr.p->scanSchemaVersion));
+		 tabPtr.p->getErrorCode(scanptr.p->scanSchemaVersion),
+		 true);
     return;
   }
 
@@ -9029,20 +9031,22 @@
   ndbrequire(scanptr.p->scanState == ScanRecord::WAIT_FRAGMENT_COUNT);
   if (apiConnectptr.p->apiFailState == ZTRUE) {
     jam();
-    releaseScanResources(scanptr);
+    releaseScanResources(scanptr, true);
     handleApiFailState(signal, apiConnectptr.i);
     return;
   }//if
-  abortScanLab(signal, scanptr, errCode);
+  abortScanLab(signal, scanptr, errCode, true);
 }//Dbtc::execDI_FCOUNTREF()
 
-void Dbtc::abortScanLab(Signal* signal, ScanRecordPtr scanptr, Uint32 errCode) 
+void Dbtc::abortScanLab(Signal* signal, ScanRecordPtr scanptr, Uint32 errCode,
+			bool not_started) 
 {
   scanTabRefLab(signal, errCode);
-  releaseScanResources(scanptr);
+  releaseScanResources(scanptr, not_started);
 }//Dbtc::abortScanLab()
 
-void Dbtc::releaseScanResources(ScanRecordPtr scanPtr)
+void Dbtc::releaseScanResources(ScanRecordPtr scanPtr,
+				bool not_started)
 {
   if (apiConnectptr.p->cachePtr != RNIL) {
     cachePtr.i = apiConnectptr.p->cachePtr;
@@ -9054,6 +9058,15 @@
   ptrCheckGuard(tcConnectptr, ctcConnectFilesize, tcConnectRecord);
   releaseTcCon();
 
+  if (not_started)
+  {
+    jam();
+    ScanFragList run(c_scan_frag_pool, scanPtr.p->m_running_scan_frags);
+    ScanFragList queue(c_scan_frag_pool, scanPtr.p->m_queued_scan_frags);
+    run.release();
+    queue.release();
+  }
+  
   ndbrequire(scanPtr.p->m_running_scan_frags.isEmpty());
   ndbrequire(scanPtr.p->m_queued_scan_frags.isEmpty());
   ndbrequire(scanPtr.p->m_delivered_scan_frags.isEmpty());