//
// Constructor for sort_grby_tcb
//
ex_sort_grby_tcb::ex_sort_grby_tcb(const ex_sort_grby_tdb & sort_grby_tdb,
const ex_tcb & child_tcb, // child queue pair
ex_globals * glob
) :
ex_tcb( sort_grby_tdb, 1, glob),
pool_(NULL)
{
Space * space = (glob ? glob->getSpace() : 0);
CollHeap * heap = (glob ? glob->getDefaultHeap() : 0);
childTcb_ = &child_tcb;
// Allocate the buffer pool
#pragma nowarn(1506) // warning elimination
pool_ = new(space) ExSimpleSQLBuffer(sort_grby_tdb.numBuffers_,
sort_grby_tdb.bufferSize_,
recLen(),
space);
#pragma warn(1506) // warning elimination
// get the child queue pair
qchild_ = child_tcb.getParentQueue();
// Allocate the queue to communicate with parent
allocateParentQueues(qparent_);
// Intialize processedInputs_ to the next request to process
processedInputs_ = qparent_.down->getTailIndex();
// allocate work atp
workAtp_ = allocateAtp(sort_grby_tdb.criDescUp_,getSpace());
// fixup aggr expression
if (aggrExpr())
(void) aggrExpr()->fixup(0, getExpressionMode(), this, space, heap,
glob->computeSpace());
// fixup move expression
if (moveExpr())
(void) moveExpr()->fixup(0, getExpressionMode(), this, space, heap,
glob->computeSpace());
// fixup grby expression
if (grbyExpr())
(void) grbyExpr()->fixup(0, getExpressionMode(), this, space, heap,
glob->computeSpace());
// fixup having expression
if (havingExpr())
(void) havingExpr()->fixup(0, getExpressionMode(), this, space, heap,
glob->computeSpace());
}
ExCancelTcb::ExCancelTcb(const ExCancelTdb & cancel_tdb, ex_globals *glob) :
ex_tcb(cancel_tdb, 1, glob)
, step_(NOT_STARTED)
, ioSubtask_(NULL)
, cbServer_(NULL)
, cancelStream_(NULL)
, cpu_ (-1)
, pid_ (-1)
, retryQidNotActive_(false)
, retryCount_(0)
{
nodeName_[0] = '\0';
allocateParentQueues(qparent_,
FALSE ); // don't alloc pstate.
retryQidNotActive_ = (getenv("SQLMX_REGRESS") != NULL);
}
ExFastExtractTcb::ExFastExtractTcb(
const ExFastExtractTdb &fteTdb,
const ex_tcb & childTcb,
ex_globals *glob)
: ex_tcb(fteTdb, 1, glob),
workAtp_(NULL),
outputPool_(NULL),
inputPool_(NULL),
childTcb_(&childTcb)
, inSqlBuffer_(NULL)
, childOutputTD_(NULL)
, sourceFieldsConvIndex_(NULL)
, currBuffer_(NULL)
, bufferAllocFailuresCount_(0)
, modTS_(-1)
{
ex_globals *stmtGlobals = getGlobals();
Space *globSpace = getSpace();
CollHeap *globHeap = getHeap();
heap_ = globHeap;
//convert to non constant to access the members.
ExFastExtractTdb *mytdb = (ExFastExtractTdb*)&fteTdb;
numBuffers_ = mytdb->getNumIOBuffers();
// Allocate queues to communicate with parent
allocateParentQueues(qParent_);
// get the queue that child use to communicate with me
qChild_ = childTcb.getParentQueue();
// Allocate the work ATP
if (myTdb().getWorkCriDesc())
workAtp_ = allocateAtp(myTdb().getWorkCriDesc(), globSpace);
// Fixup expressions
// NOT USED in M9
/*
if (myTdb().getInputExpression())
myTdb().getInputExpression()->fixup(0, getExpressionMode(), this,
globSpace, globHeap);
if (myTdb().getOutputExpression())
myTdb().getOutputExpression()->fixup(0, getExpressionMode(), this,
globSpace, globHeap);
*/
if (myTdb().getChildDataExpr())
myTdb().getChildDataExpr()->fixup(0,getExpressionMode(),this,
globSpace, globHeap, FALSE, glob);
//maybe we can move the below few line to the init section od work methods??
UInt32 numAttrs = myTdb().getChildTuple()->numAttrs();
sourceFieldsConvIndex_ = (int *)((NAHeap *)heap_)->allocateAlignedHeapMemory((UInt32)(sizeof(int) * numAttrs), 512, FALSE);
maxExtractRowLength_ = ROUND8(myTdb().getChildDataRowLen()) ;
const ULng32 sqlBufferSize = maxExtractRowLength_ +
ROUND8(sizeof(SqlBufferNormal)) +
sizeof(tupp_descriptor) +
16 ;//just in case
inSqlBuffer_ = (SqlBuffer *) new (heap_) char[sqlBufferSize];
inSqlBuffer_->driveInit(sqlBufferSize, TRUE, SqlBuffer::NORMAL_);
childOutputTD_ = inSqlBuffer_->add_tuple_desc(maxExtractRowLength_);
endOfData_ = FALSE;
} // ExFastExtractTcb::ExFastExtractTcb
ExProbeCacheTcb::ExProbeCacheTcb(const ExProbeCacheTdb &probeCacheTdb,
const ex_tcb &child_tcb,
ex_globals * glob
) :
ex_tcb( probeCacheTdb, 1, glob),
childTcb_(NULL),
workAtp_(NULL),
probeBytes_(NULL),
pool_(NULL),
pcm_(NULL),
workUpTask_(NULL)
{
Space * space = (glob ? glob->getSpace() : 0);
CollHeap * heap = (glob ? glob->getDefaultHeap() : 0);
qparent_.up = qparent_.down = NULL;
childTcb_ = &child_tcb;
// Allocate the buffer pool
pool_ = new(space) ExSimpleSQLBuffer( probeCacheTdb.numInnerTuples_,
probeCacheTdb.recLen_,
space);
// get the child queue pair
qchild_ = child_tcb.getParentQueue();
// Allocate the queue to communicate with parent
allocateParentQueues(qparent_);
// Intialize nextRequest_ to the next request to process
nextRequest_ = qparent_.down->getTailIndex();
// Allocate buffer for probeBytes_.
probeBytes_ = new(space) char[ probeCacheTdb.probeLen_ ];
// allocate work atp and initialize the two tupps.
workAtp_ = allocateAtp(probeCacheTdb.criDescUp_,getSpace());
probeHashTupp_.init(sizeof(probeHashVal_),
NULL,
(char *) (&probeHashVal_));
workAtp_->getTupp(probeCacheTdb.hashValIdx_) = &probeHashTupp_;
hashProbeExpr()->fixup(0, getExpressionMode(), this, space, heap,
glob->computeSpace(), glob);
probeEncodeTupp_.init(probeCacheTdb.probeLen_,
NULL,
(char *) (probeBytes_));
workAtp_->getTupp(probeCacheTdb.encodedProbeDataIdx_) = &probeEncodeTupp_;
encodeProbeExpr()->fixup(0, getExpressionMode(), this, space, heap,
glob->computeSpace(), glob);
if (moveInnerExpr())
moveInnerExpr()->fixup(0, getExpressionMode(), this, space, heap,
glob->computeSpace(), glob);
if (selectPred())
selectPred()->fixup(0, getExpressionMode(), this, space, heap,
glob->computeSpace(), glob);
pcm_ = new(space) ExPCMgr(space,
probeCacheTdb.cacheSize_, probeCacheTdb.probeLen_, this);
}
