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ndb - TUP scan: unlock outstanding locks on scan close (lost+found patch)

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pekka@mysql.com 2006-02-05 23:51:47 +01:00
parent 66c52cbdb8
commit 09eab9a8b1
1 changed files with 17 additions and 0 deletions
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17
storage/ndb/src/kernel/blocks/dbtup/DbtupScan.cpp
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@ -895,6 +895,23 @@ Dbtup::disk_page_tup_scan_callback(Signal* signal, Uint32 scanPtrI, Uint32 page_
void
Dbtup::scanClose(Signal* signal, ScanOpPtr scanPtr)
{
ScanOp& scan = *scanPtr.p;
ndbrequire(! (scan.m_bits & ScanOp::SCAN_LOCK_WAIT) && scan.m_accLockOp == RNIL);
// unlock all not unlocked by LQH
LocalDLFifoList<ScanLock> list(c_scanLockPool, scan.m_accLockOps);
ScanLockPtr lockPtr;
while (list.first(lockPtr)) {
jam();
AccLockReq* const lockReq = (AccLockReq*)signal->getDataPtrSend();
lockReq->returnCode = RNIL;
lockReq->requestInfo = AccLockReq::Abort;
lockReq->accOpPtr = lockPtr.p->m_accLockOp;
EXECUTE_DIRECT(DBACC, GSN_ACC_LOCKREQ, signal, AccLockReq::UndoSignalLength);
jamEntry();
ndbrequire(lockReq->returnCode == AccLockReq::Success);
list.release(lockPtr);
}
// send conf
NextScanConf* const conf = (NextScanConf*)signal->getDataPtrSend();
conf->scanPtr = scanPtr.p->m_userPtr;
conf->accOperationPtr = RNIL;