int
Dbtup::accReadPk(Uint32 tableId, Uint32 fragId, Uint32 fragPageId, Uint32 pageIndex, Uint32* dataOut, bool xfrmFlag)
{
jamEntry();
// get table
TablerecPtr tablePtr;
tablePtr.i = tableId;
ptrCheckGuard(tablePtr, cnoOfTablerec, tablerec);
// get fragment
FragrecordPtr fragPtr;
getFragmentrec(fragPtr, fragId, tablePtr.p);
// get real page id and tuple offset
Uint32 pageId = getRealpid(fragPtr.p, fragPageId);
// use TUX routine - optimize later
int ret = tuxReadPk(fragPtr.i, pageId, pageIndex, dataOut, xfrmFlag);
return ret;
}
void Dbtup::execTUP_DEALLOCREQ(Signal* signal)
{
TablerecPtr regTabPtr;
FragrecordPtr regFragPtr;
Uint32 frag_page_id, frag_id;
jamEntry();
frag_id= signal->theData[0];
regTabPtr.i= signal->theData[1];
frag_page_id= signal->theData[2];
Uint32 page_index= signal->theData[3];
ptrCheckGuard(regTabPtr, cnoOfTablerec, tablerec);
getFragmentrec(regFragPtr, frag_id, regTabPtr.p);
ndbassert(regFragPtr.p != NULL);
if (! Local_key::isInvalid(frag_page_id, page_index))
{
Local_key tmp;
tmp.m_page_no= getRealpid(regFragPtr.p, frag_page_id);
tmp.m_page_idx= page_index;
PagePtr pagePtr;
Tuple_header* ptr= (Tuple_header*)get_ptr(&pagePtr, &tmp, regTabPtr.p);
ndbrequire(ptr->m_header_bits & Tuple_header::FREED);
if (regTabPtr.p->m_attributes[MM].m_no_of_varsize +
regTabPtr.p->m_attributes[MM].m_no_of_dynamic)
{
jam();
free_var_rec(regFragPtr.p, regTabPtr.p, &tmp, pagePtr);
} else {
free_fix_rec(regFragPtr.p, regTabPtr.p, &tmp, (Fix_page*)pagePtr.p);
}
}
}
bool
Dbtup::scanNext(Signal* signal, ScanOpPtr scanPtr)
{
ScanOp& scan = *scanPtr.p;
ScanPos& pos = scan.m_scanPos;
Local_key& key = pos.m_key;
const Uint32 bits = scan.m_bits;
// table
TablerecPtr tablePtr;
tablePtr.i = scan.m_tableId;
ptrCheckGuard(tablePtr, cnoOfTablerec, tablerec);
Tablerec& table = *tablePtr.p;
// fragment
FragrecordPtr fragPtr;
fragPtr.i = scan.m_fragPtrI;
ptrCheckGuard(fragPtr, cnoOfFragrec, fragrecord);
Fragrecord& frag = *fragPtr.p;
// tuple found
Tuple_header* th = 0;
Uint32 thbits = 0;
Uint32 loop_count = 0;
Uint32 scanGCI = scanPtr.p->m_scanGCI;
Uint32 foundGCI;
const bool mm = (bits & ScanOp::SCAN_DD);
const bool lcp = (bits & ScanOp::SCAN_LCP);
Uint32 lcp_list = fragPtr.p->m_lcp_keep_list;
Uint32 size = table.m_offsets[mm].m_fix_header_size;
if (lcp && lcp_list != RNIL)
goto found_lcp_keep;
switch(pos.m_get){
case ScanPos::Get_next_tuple:
case ScanPos::Get_next_tuple_fs:
jam();
key.m_page_idx += size;
// fall through
case ScanPos::Get_tuple:
case ScanPos::Get_tuple_fs:
jam();
/**
* We need to refetch page after timeslice
*/
pos.m_get = ScanPos::Get_page;
break;
default:
break;
}
while (true) {
switch (pos.m_get) {
case ScanPos::Get_next_page:
// move to next page
jam();
{
if (! (bits & ScanOp::SCAN_DD))
pos.m_get = ScanPos::Get_next_page_mm;
else
pos.m_get = ScanPos::Get_next_page_dd;
}
continue;
case ScanPos::Get_page:
// get real page
jam();
{
if (! (bits & ScanOp::SCAN_DD))
pos.m_get = ScanPos::Get_page_mm;
else
pos.m_get = ScanPos::Get_page_dd;
}
continue;
case ScanPos::Get_next_page_mm:
// move to next logical TUP page
jam();
{
key.m_page_no++;
if (key.m_page_no >= frag.noOfPages) {
jam();
if ((bits & ScanOp::SCAN_NR) && (scan.m_endPage != RNIL))
{
jam();
if (key.m_page_no < scan.m_endPage)
{
jam();
ndbout_c("scanning page %u", key.m_page_no);
goto cont;
}
}
// no more pages, scan ends
pos.m_get = ScanPos::Get_undef;
scan.m_state = ScanOp::Last;
return true;
}
cont:
key.m_page_idx = 0;
pos.m_get = ScanPos::Get_page_mm;
// clear cached value
pos.m_realpid_mm = RNIL;
}
/*FALLTHRU*/
case ScanPos::Get_page_mm:
// get TUP real page
jam();
{
if (pos.m_realpid_mm == RNIL) {
jam();
if (key.m_page_no < frag.noOfPages)
pos.m_realpid_mm = getRealpid(fragPtr.p, key.m_page_no);
else
{
ndbassert(bits & ScanOp::SCAN_NR);
goto nopage;
}
}
PagePtr pagePtr;
c_page_pool.getPtr(pagePtr, pos.m_realpid_mm);
if (pagePtr.p->page_state == ZEMPTY_MM) {
// skip empty page
jam();
if (! (bits & ScanOp::SCAN_NR))
{
pos.m_get = ScanPos::Get_next_page_mm;
break; // incr loop count
}
else
{
jam();
pos.m_realpid_mm = RNIL;
}
}
nopage:
pos.m_page = pagePtr.p;
pos.m_get = ScanPos::Get_tuple;
}
continue;
case ScanPos::Get_next_page_dd:
// move to next disk page
jam();
{
Disk_alloc_info& alloc = frag.m_disk_alloc_info;
Local_fragment_extent_list list(c_extent_pool, alloc.m_extent_list);
Ptr<Extent_info> ext_ptr;
c_extent_pool.getPtr(ext_ptr, pos.m_extent_info_ptr_i);
Extent_info* ext = ext_ptr.p;
key.m_page_no++;
if (key.m_page_no >= ext->m_first_page_no + alloc.m_extent_size) {
// no more pages in this extent
jam();
if (! list.next(ext_ptr)) {
// no more extents, scan ends
jam();
pos.m_get = ScanPos::Get_undef;
scan.m_state = ScanOp::Last;
return true;
} else {
// move to next extent
jam();
pos.m_extent_info_ptr_i = ext_ptr.i;
ext = c_extent_pool.getPtr(pos.m_extent_info_ptr_i);
key.m_file_no = ext->m_key.m_file_no;
key.m_page_no = ext->m_first_page_no;
}
}
key.m_page_idx = 0;
pos.m_get = ScanPos::Get_page_dd;
/*
read ahead for scan in disk order
do read ahead every 8:th page
*/
if ((bits & ScanOp::SCAN_DD) &&
(((key.m_page_no - ext->m_first_page_no) & 7) == 0))
{
jam();
// initialize PGMAN request
Page_cache_client::Request preq;
preq.m_page = pos.m_key;
preq.m_callback = TheNULLCallback;
// set maximum read ahead
Uint32 read_ahead = m_max_page_read_ahead;
while (true)
{
// prepare page read ahead in current extent
Uint32 page_no = preq.m_page.m_page_no;
Uint32 page_no_limit = page_no + read_ahead;
Uint32 limit = ext->m_first_page_no + alloc.m_extent_size;
if (page_no_limit > limit)
{
jam();
// read ahead crosses extent, set limit for this extent
read_ahead = page_no_limit - limit;
page_no_limit = limit;
// and make sure we only read one extra extent next time around
if (read_ahead > alloc.m_extent_size)
read_ahead = alloc.m_extent_size;
}
else
{
jam();
read_ahead = 0; // no more to read ahead after this
}
// do read ahead pages for this extent
while (page_no < page_no_limit)
{
// page request to PGMAN
jam();
preq.m_page.m_page_no = page_no;
int flags = 0;
// ignore result
m_pgman.get_page(signal, preq, flags);
jamEntry();
page_no++;
}
if (!read_ahead || !list.next(ext_ptr))
{
// no more extents after this or read ahead done
jam();
break;
}
// move to next extent and initialize PGMAN request accordingly
Extent_info* ext = c_extent_pool.getPtr(ext_ptr.i);
preq.m_page.m_file_no = ext->m_key.m_file_no;
preq.m_page.m_page_no = ext->m_first_page_no;
}
} // if ScanOp::SCAN_DD read ahead
}
/*FALLTHRU*/
case ScanPos::Get_page_dd:
// get global page in PGMAN cache
jam();
{
// check if page is un-allocated or empty
if (likely(! (bits & ScanOp::SCAN_NR)))
{
Tablespace_client tsman(signal, c_tsman,
frag.fragTableId,
frag.fragmentId,
frag.m_tablespace_id);
unsigned uncommitted, committed;
uncommitted = committed = ~(unsigned)0;
int ret = tsman.get_page_free_bits(&key, &uncommitted, &committed);
ndbrequire(ret == 0);
if (committed == 0 && uncommitted == 0) {
// skip empty page
jam();
pos.m_get = ScanPos::Get_next_page_dd;
break; // incr loop count
}
}
// page request to PGMAN
Page_cache_client::Request preq;
preq.m_page = pos.m_key;
preq.m_callback.m_callbackData = scanPtr.i;
preq.m_callback.m_callbackFunction =
safe_cast(&Dbtup::disk_page_tup_scan_callback);
int flags = 0;
int res = m_pgman.get_page(signal, preq, flags);
jamEntry();
if (res == 0) {
jam();
// request queued
pos.m_get = ScanPos::Get_tuple;
return false;
}
ndbrequire(res > 0);
pos.m_page = (Page*)m_pgman.m_ptr.p;
}
pos.m_get = ScanPos::Get_tuple;
continue;
// get tuple
// move to next tuple
case ScanPos::Get_next_tuple:
case ScanPos::Get_next_tuple_fs:
// move to next fixed size tuple
jam();
{
key.m_page_idx += size;
pos.m_get = ScanPos::Get_tuple_fs;
}
/*FALLTHRU*/
case ScanPos::Get_tuple:
case ScanPos::Get_tuple_fs:
// get fixed size tuple
jam();
{
Fix_page* page = (Fix_page*)pos.m_page;
if (key.m_page_idx + size <= Fix_page::DATA_WORDS)
{
pos.m_get = ScanPos::Get_next_tuple_fs;
th = (Tuple_header*)&page->m_data[key.m_page_idx];
if (likely(! (bits & ScanOp::SCAN_NR)))
{
jam();
thbits = th->m_header_bits;
if (! (thbits & Tuple_header::FREE))
{
goto found_tuple;
}
}
else
{
if (pos.m_realpid_mm == RNIL)
{
jam();
foundGCI = 0;
goto found_deleted_rowid;
}
thbits = th->m_header_bits;
if ((foundGCI = *th->get_mm_gci(tablePtr.p)) > scanGCI ||
foundGCI == 0)
{
if (! (thbits & Tuple_header::FREE))
{
jam();
goto found_tuple;
}
else
{
goto found_deleted_rowid;
}
}
else if (thbits != Fix_page::FREE_RECORD &&
th->m_operation_ptr_i != RNIL)
{
jam();
goto found_tuple; // Locked tuple...
// skip free tuple
}
}
} else {
jam();
// no more tuples on this page
pos.m_get = ScanPos::Get_next_page;
}
}
break; // incr loop count
found_tuple:
// found possible tuple to return
jam();
{
// caller has already set pos.m_get to next tuple
if (! (bits & ScanOp::SCAN_LCP && thbits & Tuple_header::LCP_SKIP)) {
Local_key& key_mm = pos.m_key_mm;
if (! (bits & ScanOp::SCAN_DD)) {
key_mm = pos.m_key;
// real page id is already set
} else {
key_mm.assref(th->m_base_record_ref);
// recompute for each disk tuple
pos.m_realpid_mm = getRealpid(fragPtr.p, key_mm.m_page_no);
}
// TUPKEYREQ handles savepoint stuff
scan.m_state = ScanOp::Current;
return true;
} else {
jam();
// clear it so that it will show up in next LCP
th->m_header_bits = thbits & ~(Uint32)Tuple_header::LCP_SKIP;
if (tablePtr.p->m_bits & Tablerec::TR_Checksum) {
jam();
setChecksum(th, tablePtr.p);
}
}
}
break;
found_deleted_rowid:
jam();
{
ndbassert(bits & ScanOp::SCAN_NR);
Local_key& key_mm = pos.m_key_mm;
if (! (bits & ScanOp::SCAN_DD)) {
key_mm = pos.m_key;
// caller has already set pos.m_get to next tuple
// real page id is already set
} else {
key_mm.assref(th->m_base_record_ref);
// recompute for each disk tuple
pos.m_realpid_mm = getRealpid(fragPtr.p, key_mm.m_page_no);
Fix_page *mmpage = (Fix_page*)c_page_pool.getPtr(pos.m_realpid_mm);
th = (Tuple_header*)(mmpage->m_data + key_mm.m_page_idx);
if ((foundGCI = *th->get_mm_gci(tablePtr.p)) > scanGCI ||
foundGCI == 0)
{
if (! (thbits & Tuple_header::FREE))
break;
}
}
NextScanConf* const conf = (NextScanConf*)signal->getDataPtrSend();
conf->scanPtr = scan.m_userPtr;
conf->accOperationPtr = RNIL;
conf->fragId = frag.fragmentId;
conf->localKey[0] = pos.m_key_mm.ref();
conf->localKey[1] = 0;
conf->localKeyLength = 1;
conf->gci = foundGCI;
Uint32 blockNo = refToBlock(scan.m_userRef);
EXECUTE_DIRECT(blockNo, GSN_NEXT_SCANCONF, signal, 7);
jamEntry();
// TUPKEYREQ handles savepoint stuff
loop_count = 32;
scan.m_state = ScanOp::Next;
return false;
}
break; // incr loop count
default:
ndbrequire(false);
break;
}
if (++loop_count >= 32)
break;
}
// TODO: at drop table we have to flush and terminate these
jam();
signal->theData[0] = ZTUP_SCAN;
signal->theData[1] = scanPtr.i;
sendSignal(reference(), GSN_CONTINUEB, signal, 2, JBB);
return false;
found_lcp_keep:
Local_key tmp;
tmp.assref(lcp_list);
tmp.m_page_no = getRealpid(fragPtr.p, tmp.m_page_no);
Ptr<Page> pagePtr;
c_page_pool.getPtr(pagePtr, tmp.m_page_no);
Tuple_header* ptr = (Tuple_header*)
((Fix_page*)pagePtr.p)->get_ptr(tmp.m_page_idx, 0);
Uint32 headerbits = ptr->m_header_bits;
ndbrequire(headerbits & Tuple_header::LCP_KEEP);
Uint32 next = ptr->m_operation_ptr_i;
ptr->m_operation_ptr_i = RNIL;
ptr->m_header_bits = headerbits & ~(Uint32)Tuple_header::FREE;
if (tablePtr.p->m_bits & Tablerec::TR_Checksum) {
jam();
setChecksum(ptr, tablePtr.p);
}
NextScanConf* const conf = (NextScanConf*)signal->getDataPtrSend();
conf->scanPtr = scan.m_userPtr;
conf->accOperationPtr = (Uint32)-1;
conf->fragId = frag.fragmentId;
conf->localKey[0] = lcp_list;
conf->localKey[1] = 0;
conf->localKeyLength = 1;
conf->gci = 0;
Uint32 blockNo = refToBlock(scan.m_userRef);
EXECUTE_DIRECT(blockNo, GSN_NEXT_SCANCONF, signal, 7);
fragPtr.p->m_lcp_keep_list = next;
ptr->m_header_bits |= Tuple_header::FREED; // RESTORE free flag
if (headerbits & Tuple_header::FREED)
{
if (tablePtr.p->m_attributes[MM].m_no_of_varsize)
{
jam();
free_var_rec(fragPtr.p, tablePtr.p, &tmp, pagePtr);
} else {
jam();
free_fix_rec(fragPtr.p, tablePtr.p, &tmp, (Fix_page*)pagePtr.p);
}
}
return false;
}
/* ---------------------------------------------------------------- */
void Dbtup::lcpSaveDataPageLab(Signal* signal, Uint32 ciIndex)
{
CheckpointInfoPtr ciPtr;
DiskBufferSegmentInfoPtr dbsiPtr;
FragrecordPtr regFragPtr;
LocalLogInfoPtr lliPtr;
UndoPagePtr undoCopyPagePtr;
PagePtr pagePtr;
ciPtr.i = ciIndex;
ptrCheckGuard(ciPtr, cnoOfLcpRec, checkpointInfo);
if (ERROR_INSERTED(4000)){
if (ciPtr.p->lcpTabPtr == c_errorInsert4000TableId) {
// Delay writing of data pages during LCP
ndbout << "Delay writing of data pages during LCP" << endl;
signal->theData[0] = ZCONT_SAVE_DP;
signal->theData[1] = ciIndex;
sendSignalWithDelay(cownref, GSN_CONTINUEB, signal, 1000, 2);
return;
}//if
}//if
if (clblPageCounter == 0) {
ljam();
signal->theData[0] = ZCONT_SAVE_DP;
signal->theData[1] = ciPtr.i;
sendSignalWithDelay(cownref, GSN_CONTINUEB, signal, 100, 2);
return;
} else {
ljam();
clblPageCounter--;
}//if
regFragPtr.i = ciPtr.p->lcpFragmentP;
ptrCheckGuard(regFragPtr, cnoOfFragrec, fragrecord);
dbsiPtr.i = ciPtr.p->lcpDataBufferSegmentP;
ptrCheckGuard(dbsiPtr, cnoOfConcurrentWriteOp, diskBufferSegmentInfo);
pagePtr.i = getRealpid(regFragPtr.p, regFragPtr.p->minPageNotWrittenInCheckpoint);
ptrCheckGuard(pagePtr, cnoOfPage, page);
ndbrequire(dbsiPtr.p->pdxNumDataPages < 16);
undoCopyPagePtr.i = dbsiPtr.p->pdxDataPage[dbsiPtr.p->pdxNumDataPages];
ptrCheckGuard(undoCopyPagePtr, cnoOfUndoPage, undoPage);
MEMCOPY_NO_WORDS(&undoCopyPagePtr.p->undoPageWord[0],
&pagePtr.p->pageWord[0],
ZWORDS_ON_PAGE);
regFragPtr.p->minPageNotWrittenInCheckpoint++;
dbsiPtr.p->pdxNumDataPages++;
if (regFragPtr.p->minPageNotWrittenInCheckpoint == regFragPtr.p->maxPageWrittenInCheckpoint) {
/* ---------------------------------------------------------- */
/* ALL PAGES ARE COPIED, TIME TO FINISH THE CHECKPOINT */
/* SAVE THE END POSITIONS OF THE LOG RECORDS SINCE ALL DATA */
/* PAGES ARE NOW SAFE ON DISK AND NO MORE LOGGING WILL APPEAR */
/* ---------------------------------------------------------- */
ljam();
lliPtr.i = ciPtr.p->lcpLocalLogInfoP;
ptrCheckGuard(lliPtr, cnoOfParallellUndoFiles, localLogInfo);
regFragPtr.p->checkpointVersion = RNIL; /* UNDO LOGGING IS SHUT OFF */
lcpWriteListDataPageSegment(signal, dbsiPtr, ciPtr, false);
dbsiPtr.p->pdxOperation = CHECKPOINT_DATA_WRITE_LAST;
} else if (dbsiPtr.p->pdxNumDataPages == ZDB_SEGMENT_SIZE) {
ljam();
lcpWriteListDataPageSegment(signal, dbsiPtr, ciPtr, false);
dbsiPtr.p->pdxOperation = CHECKPOINT_DATA_WRITE;
} else {
ljam();
signal->theData[0] = ZCONT_SAVE_DP;
signal->theData[1] = ciPtr.i;
sendSignal(cownref, GSN_CONTINUEB, signal, 2, JBB);
}//if
}//Dbtup::lcpSaveDataPageLab()
void
Dbtup::buildIndex(Signal* signal, Uint32 buildPtrI)
{
// get build record
BuildIndexPtr buildPtr;
buildPtr.i= buildPtrI;
c_buildIndexList.getPtr(buildPtr);
const BuildIndxReq* buildReq= (const BuildIndxReq*)buildPtr.p->m_request;
// get table
TablerecPtr tablePtr;
tablePtr.i= buildReq->getTableId();
ptrCheckGuard(tablePtr, cnoOfTablerec, tablerec);
const Uint32 firstTupleNo = 0;
const Uint32 tupheadsize = tablePtr.p->m_offsets[MM].m_fix_header_size;
#ifdef TIME_MEASUREMENT
MicroSecondTimer start;
MicroSecondTimer stop;
NDB_TICKS time_passed;
#endif
do {
// get fragment
FragrecordPtr fragPtr;
if (buildPtr.p->m_fragNo == MAX_FRAG_PER_NODE) {
jam();
// build ready
buildIndexReply(signal, buildPtr.p);
c_buildIndexList.release(buildPtr);
return;
}
ndbrequire(buildPtr.p->m_fragNo < MAX_FRAG_PER_NODE);
fragPtr.i= tablePtr.p->fragrec[buildPtr.p->m_fragNo];
if (fragPtr.i == RNIL) {
jam();
buildPtr.p->m_fragNo++;
buildPtr.p->m_pageId= 0;
buildPtr.p->m_tupleNo= firstTupleNo;
break;
}
ptrCheckGuard(fragPtr, cnoOfFragrec, fragrecord);
// get page
PagePtr pagePtr;
if (buildPtr.p->m_pageId >= fragPtr.p->noOfPages) {
jam();
buildPtr.p->m_fragNo++;
buildPtr.p->m_pageId= 0;
buildPtr.p->m_tupleNo= firstTupleNo;
break;
}
Uint32 realPageId= getRealpid(fragPtr.p, buildPtr.p->m_pageId);
c_page_pool.getPtr(pagePtr, realPageId);
Uint32 pageState= pagePtr.p->page_state;
// skip empty page
if (pageState == ZEMPTY_MM) {
jam();
buildPtr.p->m_pageId++;
buildPtr.p->m_tupleNo= firstTupleNo;
break;
}
// get tuple
Uint32 pageIndex = ~0;
const Tuple_header* tuple_ptr = 0;
pageIndex = buildPtr.p->m_tupleNo * tupheadsize;
if (pageIndex + tupheadsize > Fix_page::DATA_WORDS) {
jam();
buildPtr.p->m_pageId++;
buildPtr.p->m_tupleNo= firstTupleNo;
break;
}
tuple_ptr = (Tuple_header*)&pagePtr.p->m_data[pageIndex];
// skip over free tuple
if (tuple_ptr->m_header_bits & Tuple_header::FREE) {
jam();
buildPtr.p->m_tupleNo++;
break;
}
Uint32 tupVersion= tuple_ptr->get_tuple_version();
OperationrecPtr pageOperPtr;
pageOperPtr.i= tuple_ptr->m_operation_ptr_i;
#ifdef TIME_MEASUREMENT
NdbTick_getMicroTimer(&start);
#endif
// add to index
TuxMaintReq* const req = (TuxMaintReq*)signal->getDataPtrSend();
req->errorCode = RNIL;
req->tableId = tablePtr.i;
req->indexId = buildPtr.p->m_indexId;
req->fragId = tablePtr.p->fragid[buildPtr.p->m_fragNo];
req->pageId = realPageId;
req->tupVersion = tupVersion;
req->opInfo = TuxMaintReq::OpAdd;
req->tupFragPtrI = fragPtr.i;
req->fragPageId = buildPtr.p->m_pageId;
req->pageIndex = pageIndex;
if (pageOperPtr.i == RNIL)
{
EXECUTE_DIRECT(buildPtr.p->m_buildRef, GSN_TUX_MAINT_REQ,
signal, TuxMaintReq::SignalLength+2);
}
else
{
/*
If there is an ongoing operation on the tuple then it is either a
copy tuple or an original tuple with an ongoing transaction. In
both cases realPageId and pageOffset refer to the original tuple.
The tuple address stored in TUX will always be the original tuple
but with the tuple version of the tuple we found.
This is necessary to avoid having to update TUX at abort of
update. If an update aborts then the copy tuple is copied to
the original tuple. The build will however have found that
tuple as a copy tuple. The original tuple is stable and is thus
preferrable to store in TUX.
*/
jam();
/**
* Since copy tuples now can't be found on real pages.
* we will here build all copies of the tuple
*
* Note only "real" tupVersion's should be added
* i.e delete's shouldnt be added
* (unless it's the first op, when "original" should be added)
*/
do
{
c_operation_pool.getPtr(pageOperPtr);
if(pageOperPtr.p->op_struct.op_type != ZDELETE ||
pageOperPtr.p->is_first_operation())
{
req->errorCode = RNIL;
req->tupVersion= pageOperPtr.p->tupVersion;
EXECUTE_DIRECT(buildPtr.p->m_buildRef, GSN_TUX_MAINT_REQ,
signal, TuxMaintReq::SignalLength+2);
}
else
{
req->errorCode= 0;
}
pageOperPtr.i= pageOperPtr.p->prevActiveOp;
} while(req->errorCode == 0 && pageOperPtr.i != RNIL);
}
jamEntry();
if (req->errorCode != 0) {
switch (req->errorCode) {
case TuxMaintReq::NoMemError:
jam();
buildPtr.p->m_errorCode= BuildIndxRef::AllocationFailure;
break;
default:
ndbrequire(false);
break;
}
buildIndexReply(signal, buildPtr.p);
c_buildIndexList.release(buildPtr);
return;
}
#ifdef TIME_MEASUREMENT
NdbTick_getMicroTimer(&stop);
time_passed= NdbTick_getMicrosPassed(start, stop);
if (time_passed < 1000) {
time_events++;
tot_time_passed += time_passed;
if (time_events == number_events) {
NDB_TICKS mean_time_passed= tot_time_passed /
(NDB_TICKS)number_events;
ndbout << "Number of events= " << number_events;
ndbout << " Mean time passed= " << mean_time_passed << endl;
number_events <<= 1;
tot_time_passed= (NDB_TICKS)0;
time_events= 0;
}
}
#endif
// next tuple
buildPtr.p->m_tupleNo++;
break;
} while (0);
signal->theData[0]= ZBUILD_INDEX;
signal->theData[1]= buildPtr.i;
sendSignal(reference(), GSN_CONTINUEB, signal, 2, JBB);
}
