Exemplos de _hash_dropscan em C++ (Cpp)

Exemplo n.º 1

Arquivo: hash.c Projeto: amulsul/postgres

/*
 *	hashendscan() -- close down a scan
 */
Datum
hashendscan(PG_FUNCTION_ARGS)
{
	IndexScanDesc scan = (IndexScanDesc) PG_GETARG_POINTER(0);
	HashScanOpaque so = (HashScanOpaque) scan->opaque;
	Relation	rel = scan->indexRelation;

	/* don't need scan registered anymore */
	_hash_dropscan(scan);

	/* release any pin we still hold */
	if (BufferIsValid(so->hashso_curbuf))
		_hash_dropbuf(rel, so->hashso_curbuf);
	so->hashso_curbuf = InvalidBuffer;

	/* release lock on bucket, too */
	if (so->hashso_bucket_blkno)
		_hash_droplock(rel, so->hashso_bucket_blkno, HASH_SHARE);
	so->hashso_bucket_blkno = 0;

	pfree(so);
	scan->opaque = NULL;

	PG_RETURN_VOID();
}

Exemplo n.º 2

Arquivo: hash.c Projeto: Gordiychuk/postgres

/*
 *	hashendscan() -- close down a scan
 */
void
hashendscan(IndexScanDesc scan)
{
	HashScanOpaque so = (HashScanOpaque) scan->opaque;
	Relation	rel = scan->indexRelation;

	/* don't need scan registered anymore */
	_hash_dropscan(scan);

	/* release any pin we still hold */
	if (BufferIsValid(so->hashso_curbuf))
		_hash_dropbuf(rel, so->hashso_curbuf);
	so->hashso_curbuf = InvalidBuffer;

	/* release lock on bucket, too */
	if (so->hashso_bucket_blkno)
		_hash_droplock(rel, so->hashso_bucket_blkno, HASH_SHARE);
	so->hashso_bucket_blkno = 0;

	pfree(so);
	scan->opaque = NULL;
}