/*
* Per-tuple callback from IndexBuildHeapScan
*/
static void
hashbuildCallback(Relation index,
HeapTuple htup,
Datum *values,
bool *isnull,
bool tupleIsAlive,
void *state)
{
HashBuildState *buildstate = (HashBuildState *) state;
IndexTuple itup;
/* Hash indexes don't index nulls, see notes in hashinsert */
if (isnull[0])
return;
/* Either spool the tuple for sorting, or just put it into the index */
if (buildstate->spool)
_h_spool(buildstate->spool, &htup->t_self, values, isnull);
else
{
/* form an index tuple and point it at the heap tuple */
itup = _hash_form_tuple(index, values, isnull);
itup->t_tid = htup->t_self;
_hash_doinsert(index, itup);
pfree(itup);
}
buildstate->indtuples += 1;
}
/*
* Per-tuple callback from IndexBuildHeapScan
*/
static void
hashbuildCallback(Relation index,
HeapTuple htup,
Datum *values,
bool *isnull,
bool tupleIsAlive,
void *state)
{
HashBuildState *buildstate = (HashBuildState *) state;
Datum index_values[1];
bool index_isnull[1];
IndexTuple itup;
/* convert data to a hash key; on failure, do not insert anything */
if (!_hash_convert_tuple(index,
values, isnull,
index_values, index_isnull))
return;
/* Either spool the tuple for sorting, or just put it into the index */
if (buildstate->spool)
_h_spool(buildstate->spool, &htup->t_self,
index_values, index_isnull);
else
{
/* form an index tuple and point it at the heap tuple */
itup = index_form_tuple(RelationGetDescr(index),
index_values, index_isnull);
itup->t_tid = htup->t_self;
_hash_doinsert(index, itup, buildstate->heapRel);
pfree(itup);
}
buildstate->indtuples += 1;
}
