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ndb - CSC#4927: ordered index + long pk, second half

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ndb/src/kernel/blocks/dbacc/DbaccMain.cpp:
  ACC_LOCKREQ - element may have moved after lock request was made
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unknown 2005-03-30 22:17:11 +02:00
commit e12f1a4453
1 changed files with 20 additions and 0 deletions
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20
ndb/src/kernel/blocks/dbacc/DbaccMain.cpp
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@ -2522,6 +2522,26 @@ void Dbacc::execACC_LOCKREQ(Signal* signal)
*sig = *req;
return;
}
operationRecPtr.i = req->accOpPtr;
ptrCheckGuard(operationRecPtr, coprecsize, operationrec);
fragrecptr.i = operationRecPtr.p->fragptr;
ptrCheckGuard(fragrecptr, cfragmentsize, fragmentrec);
if (fragrecptr.p->keyLength == 0 &&
// should test some state variable
operationRecPtr.p->elementPage != RNIL) {
jam();
// re-compute long key vars
Page8Ptr tPageptr;
tPageptr.i = operationRecPtr.p->elementPage;
ptrCheckGuard(tPageptr, cpagesize, page8);
Uint32 tKeyptr =
operationRecPtr.p->elementPointer +
operationRecPtr.p->elementIsforward *
(ZELEM_HEAD_SIZE + fragrecptr.p->localkeylen);
tslcPageIndex = tPageptr.p->word32[tKeyptr] & 0x3ff;
tslcPagedir = tPageptr.p->word32[tKeyptr] >> 10;
searchLongKey(signal, false);
}
if (lockOp == AccLockReq::Unlock) {
jam();
// do unlock via ACC_COMMITREQ (immediate)