core/sql/comexe/ComTdbProbeCache.cpp

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#include "ComTdbProbeCache.h"
#include "ComTdbCommon.h"

// Dummy constructor for "unpack" routines.
ComTdbProbeCache::ComTdbProbeCache()
: ComTdb(ComTdb::ex_PROBE_CACHE, eye_PROBE_CACHE),
  tuppIndex_(0)
{
};

// Constructor

ComTdbProbeCache::ComTdbProbeCache(ex_expr * hash_probe_expr,
	       ex_expr * encode_probe_expr,
	       ex_expr * move_inner_expr,
               ex_expr * select_pred,
	       ULng32 probe_len,
	       ULng32 inner_rec_len,
               ULng32 cache_size,
	       const unsigned short tupp_index,
               const unsigned short hashValIdx,
               const unsigned short encodedProbeDataIdx,
               const unsigned short innerRowDataIdx,
	       ComTdb * child_tdb,
	       ex_cri_desc * given_cri_desc,
	       ex_cri_desc * returned_cri_desc,
	       queue_index down,
	       queue_index up,
	       Cardinality estimatedRowCount,
	       ULng32 numInnerTuples)
  : ComTdb( ComTdb::ex_PROBE_CACHE,
            eye_PROBE_CACHE,
            estimatedRowCount,
            given_cri_desc,
            returned_cri_desc,
            down,
            up,
            0,        // num_buffers - we use numInnerTuples_ instead.
            0),       // buffer_size - we use numInnerTuples_ instead.
    tdbChild_(child_tdb),
    hashProbeExpr_(hash_probe_expr),
    encodeProbeExpr_(encode_probe_expr),
    moveInnerExpr_(move_inner_expr),
    selectPred_(select_pred),
    probeLen_(probe_len),
    cacheSize_(cache_size),
    recLen_(inner_rec_len),
    numInnerTuples_(numInnerTuples),
    tuppIndex_(tupp_index),
    hashValIdx_(hashValIdx),
    encodedProbeDataIdx_(encodedProbeDataIdx),
    innerRowDataIdx_(innerRowDataIdx),
    probeCacheFlags_(0)
{};

ComTdbProbeCache::~ComTdbProbeCache()
{};

void ComTdbProbeCache::display() const 
{};

Long ComTdbProbeCache::pack(void * space)
{
  tdbChild_.pack(space);
  hashProbeExpr_.pack(space);
  encodeProbeExpr_.pack(space);
  moveInnerExpr_.pack(space);
  selectPred_.pack(space);
  return ComTdb::pack(space);
}

Lng32 ComTdbProbeCache::unpack(void * base, void * reallocator)
{
  if(tdbChild_.unpack(base, reallocator)) return -1;
  if(hashProbeExpr_.unpack(base, reallocator)) return -1;
  if(encodeProbeExpr_.unpack(base, reallocator)) return -1;
  if(moveInnerExpr_.unpack(base, reallocator)) return -1;
  if(selectPred_.unpack(base, reallocator)) return -1;
  return ComTdb::unpack(base, reallocator);
}

void ComTdbProbeCache::displayContents(Space * space,ULng32 flag)
{
  ComTdb::displayContents(space,flag & 0xFFFFFFFE);

  if(flag & 0x00000008)
    {
      char buf[200];

      str_sprintf(buf, "\nFor ComTdbProbeCache :");
      space->allocateAndCopyToAlignedSpace(buf, str_len(buf), sizeof(short));

      str_sprintf(buf, 
       "probeLen_ = %d, cacheSize_ = %d, recLen_ = %d, tuppIndex_ = %d",
        probeLen_,      cacheSize_,      recLen_,      tuppIndex_);
      space->allocateAndCopyToAlignedSpace(buf, str_len(buf), sizeof(short));
      str_sprintf(buf, 
       "probeCacheFlags_ = %x, numInnerTuples_ =%d", 
        probeCacheFlags_,      numInnerTuples_ );
      space->allocateAndCopyToAlignedSpace(buf, str_len(buf), sizeof(short));
    }

  if(flag & 0x00000001)
    {
      displayExpression(space,flag);
      displayChildren(space,flag);
    }
}

Int32 ComTdbProbeCache::orderedQueueProtocol() const
{
  return 1;
}