C++ (Cpp) smgrclosenode Examples

Example #1

File: inval.c Project: AXLEproject/postgres

/*
 * LocalExecuteInvalidationMessage
 *
 * Process a single invalidation message (which could be of any type).
 * Only the local caches are flushed; this does not transmit the message
 * to other backends.
 */
static void
LocalExecuteInvalidationMessage(SharedInvalidationMessage *msg)
{
	if (msg->id >= 0)
	{
		if (msg->cc.dbId == MyDatabaseId || msg->cc.dbId == InvalidOid)
		{
			CatalogCacheIdInvalidate(msg->cc.id, msg->cc.hashValue);

			CallSyscacheCallbacks(msg->cc.id, msg->cc.hashValue);
		}
	}
	else if (msg->id == SHAREDINVALCATALOG_ID)
	{
		if (msg->cat.dbId == MyDatabaseId || msg->cat.dbId == InvalidOid)
		{
			CatalogCacheFlushCatalog(msg->cat.catId);

			/* CatalogCacheFlushCatalog calls CallSyscacheCallbacks as needed */
		}
	}
	else if (msg->id == SHAREDINVALRELCACHE_ID)
	{
		if (msg->rc.dbId == MyDatabaseId || msg->rc.dbId == InvalidOid)
		{
			int			i;

			RelationCacheInvalidateEntry(msg->rc.relId);

			for (i = 0; i < relcache_callback_count; i++)
			{
				struct RELCACHECALLBACK *ccitem = relcache_callback_list + i;

				(*ccitem->function) (ccitem->arg, msg->rc.relId);
			}
		}
	}
	else if (msg->id == SHAREDINVALSMGR_ID)
	{
		/*
		 * We could have smgr entries for relations of other databases, so no
		 * short-circuit test is possible here.
		 */
		RelFileNodeBackend rnode;

		rnode.node = msg->sm.rnode;
		rnode.backend = (msg->sm.backend_hi << 16) | (int) msg->sm.backend_lo;
		smgrclosenode(rnode);
	}
	else if (msg->id == SHAREDINVALRELMAP_ID)
	{
		/* We only care about our own database and shared catalogs */
		if (msg->rm.dbId == InvalidOid)
			RelationMapInvalidate(true);
		else if (msg->rm.dbId == MyDatabaseId)
			RelationMapInvalidate(false);
	}
	else
		elog(FATAL, "unrecognized SI message ID: %d", msg->id);
}

Example #2

File: inval.c Project: rtzassociates/postgresql-8.2.23

/*
 * LocalExecuteInvalidationMessage
 *
 * Process a single invalidation message (which could be of any type).
 * Only the local caches are flushed; this does not transmit the message
 * to other backends.
 */
static void
LocalExecuteInvalidationMessage(SharedInvalidationMessage *msg)
{
	int			i;

	if (msg->id >= 0)
	{
		if (msg->cc.dbId == MyDatabaseId || msg->cc.dbId == 0)
		{
			CatalogCacheIdInvalidate(msg->cc.id,
									 msg->cc.hashValue,
									 &msg->cc.tuplePtr);

			for (i = 0; i < cache_callback_count; i++)
			{
				struct CACHECALLBACK *ccitem = cache_callback_list + i;

				if (ccitem->id == msg->cc.id)
					(*ccitem->function) (ccitem->arg, InvalidOid);
			}
		}
	}
	else if (msg->id == SHAREDINVALRELCACHE_ID)
	{
		if (msg->rc.dbId == MyDatabaseId || msg->rc.dbId == InvalidOid)
		{
			RelationCacheInvalidateEntry(msg->rc.relId);

			for (i = 0; i < cache_callback_count; i++)
			{
				struct CACHECALLBACK *ccitem = cache_callback_list + i;

				if (ccitem->id == SHAREDINVALRELCACHE_ID)
					(*ccitem->function) (ccitem->arg, msg->rc.relId);
			}
		}
	}
	else if (msg->id == SHAREDINVALSMGR_ID)
	{
		/*
		 * We could have smgr entries for relations of other databases, so no
		 * short-circuit test is possible here.
		 */
		smgrclosenode(msg->sm.rnode);
	}
	else
		elog(FATAL, "unrecognized SI message id: %d", msg->id);
}