C++ (Cpp) __wt_block_manager_truncate Examples

Example #1

File: schema_truncate.c Project: rueckstiess/mongo

/*
 * __truncate_file --
 *	WT_SESSION::truncate for a file.
 */
static int
__truncate_file(WT_SESSION_IMPL *session, const char *name)
{
	WT_DECL_RET;
	const char *filename;
	uint32_t allocsize;

	filename = name;
	if (!WT_PREFIX_SKIP(filename, "file:"))
		return (EINVAL);

	/* Open and lock the file. */
	WT_RET(__wt_session_get_btree(
	    session, name, NULL, NULL, WT_DHANDLE_EXCLUSIVE));

	/* Get the allocation size. */
	allocsize = S2BT(session)->allocsize;

	WT_RET(__wt_session_release_btree(session));

	/* Close any btree handles in the file. */
	WT_WITH_DHANDLE_LOCK(session,
	    ret = __wt_conn_dhandle_close_all(session, name, 0));
	WT_RET(ret);

	/* Delete the root address and truncate the file. */
	WT_RET(__wt_meta_checkpoint_clear(session, name));
	WT_RET(__wt_block_manager_truncate(session, filename, allocsize));

	return (0);
}

Example #2

File: schema_truncate.c Project: niumowm/wiredtiger

/*
 * __truncate_file --
 *	WT_SESSION::truncate for a file.
 */
static int
__truncate_file(WT_SESSION_IMPL *session, const char *name)
{
	const char *filename;

	filename = name;
	if (!WT_PREFIX_SKIP(filename, "file:"))
		return (EINVAL);

	/* Close any btree handles in the file. */
	WT_RET(__wt_conn_btree_close_all(session, name));

	/* Delete the root address and truncate the file. */
	WT_RET(__wt_meta_checkpoint_clear(session, name));
	WT_RET(__wt_block_manager_truncate(session, filename));

	return (0);
}