C++ (Cpp) WT_SKIP_FOREACH Beispiele

Beispiel #1

Datei: col_modify.c Projekt: umerazad/wiredtiger

/*
 * __wt_col_leaf_obsolete --
 *	Discard all obsolete updates on a column-store leaf page.
 */
void
__wt_col_leaf_obsolete(WT_SESSION_IMPL *session, WT_PAGE *page)
{
	uint32_t i;
	WT_COL *cip;
	WT_INSERT *ins;
	WT_UPDATE *upd;

	switch (page->type) {
	case WT_PAGE_COL_FIX:
		WT_SKIP_FOREACH(ins, WT_COL_UPDATE_SINGLE(page))
			if ((upd = __wt_update_obsolete_check(
			    session, ins->upd)) != NULL)
				__wt_update_obsolete_free(session, page, upd);
		break;

	case WT_PAGE_COL_VAR:
		WT_COL_FOREACH(page, cip, i)
			WT_SKIP_FOREACH(ins, WT_COL_UPDATE(page, cip))
				if ((upd = __wt_update_obsolete_check(
				    session, ins->upd)) != NULL)
					__wt_update_obsolete_free(
					    session, page, upd);
		break;
	}

	/* Walk any append list. */
	WT_SKIP_FOREACH(ins, WT_COL_APPEND(page)) {
		if ((upd =
		    __wt_update_obsolete_check(session, ins->upd)) != NULL)
			__wt_update_obsolete_free(session, page, upd);
	}
}

Beispiel #2

Datei: txn_rollback_to_stable.c Projekt: mpobrien/mongo

/*
 * __txn_abort_newer_row_skip --
 *	Apply the update abort check to each entry in an insert skip list
 */
static void
__txn_abort_newer_row_skip(WT_SESSION_IMPL *session,
    WT_INSERT_HEAD *head, wt_timestamp_t *rollback_timestamp)
{
	WT_INSERT *ins;

	WT_SKIP_FOREACH(ins, head)
		__txn_abort_newer_update(session, ins->upd, rollback_timestamp);
}