C++ (Cpp) __wt_btcur_insert Examples

Example #1

File: cur_file.c Project: qihsh/mongo

/*
 * __curfile_insert --
 *	WT_CURSOR->insert method for the btree cursor type.
 */
static int
__curfile_insert(WT_CURSOR *cursor)
{
	WT_CURSOR_BTREE *cbt;
	WT_DECL_RET;
	WT_SESSION_IMPL *session;

	cbt = (WT_CURSOR_BTREE *)cursor;
	CURSOR_UPDATE_API_CALL(cursor, session, insert, cbt->btree);
	if (!F_ISSET(cursor, WT_CURSTD_APPEND))
		WT_CURSOR_NEEDKEY(cursor);
	WT_CURSOR_NEEDVALUE(cursor);

	WT_BTREE_CURSOR_SAVE_AND_RESTORE(cursor, __wt_btcur_insert(cbt), ret);

	/*
	 * Insert is the one cursor operation that doesn't end with the cursor
	 * pointing to an on-page item. The standard macro handles errors
	 * correctly, but we need to leave the application cursor unchanged in
	 * the case of success, except for column-store appends, where we are
	 * returning a key.
	 */
	if (ret == 0) {
		if (!F_ISSET(cursor, WT_CURSTD_APPEND)) {
			F_SET(cursor, WT_CURSTD_KEY_EXT);
			F_CLR(cursor, WT_CURSTD_KEY_INT);
		}
		F_SET(cursor, WT_CURSTD_VALUE_EXT);
		F_CLR(cursor, WT_CURSTD_VALUE_INT);
	}

err:	CURSOR_UPDATE_API_END(session, ret);
	return (ret);
}

Example #2

File: cur_file.c Project: hgGeorg/mongo

/*
 * __curfile_insert --
 *	WT_CURSOR->insert method for the btree cursor type.
 */
static int
__curfile_insert(WT_CURSOR *cursor)
{
	WT_CURSOR_BTREE *cbt;
	WT_DECL_RET;
	WT_SESSION_IMPL *session;

	cbt = (WT_CURSOR_BTREE *)cursor;
	CURSOR_UPDATE_API_CALL(cursor, session, insert, cbt->btree);
	if (!F_ISSET(cursor, WT_CURSTD_APPEND))
		WT_CURSOR_NEEDKEY(cursor);
	WT_CURSOR_NEEDVALUE(cursor);

	WT_BTREE_CURSOR_SAVE_AND_RESTORE(cursor, __wt_btcur_insert(cbt), ret);

	/*
	 * Insert is the one cursor operation that doesn't end with the cursor
	 * pointing to an on-page item (except for column-store appends, where
	 * we are returning a key). That is, the application's cursor continues
	 * to reference the application's memory after a successful cursor call,
	 * which isn't true anywhere else. We don't want to have to explain that
	 * scoping corner case, so we reset the application's cursor so it can
	 * free the referenced memory and continue on without risking subsequent
	 * core dumps.
	 */
	if (ret == 0) {
		if (!F_ISSET(cursor, WT_CURSTD_APPEND))
			F_CLR(cursor, WT_CURSTD_KEY_INT);
		F_CLR(cursor, WT_CURSTD_VALUE_INT);
	}

err:	CURSOR_UPDATE_API_END(session, ret);
	return (ret);
}

Example #3

File: cur_file.c Project: mpobrien/mongo

/*
 * __curfile_insert --
 *	WT_CURSOR->insert method for the btree cursor type.
 */
static int
__curfile_insert(WT_CURSOR *cursor)
{
	WT_CURSOR_BTREE *cbt;
	WT_DECL_RET;
	WT_SESSION_IMPL *session;

	cbt = (WT_CURSOR_BTREE *)cursor;
	CURSOR_UPDATE_API_CALL_BTREE(cursor, session, insert, cbt->btree);

	if (!F_ISSET(cursor, WT_CURSTD_APPEND))
		WT_ERR(__cursor_checkkey(cursor));
	WT_ERR(__cursor_checkvalue(cursor));

	WT_ERR(__wt_btcur_insert(cbt));

	/*
	 * Insert maintains no position, key or value (except for column-store
	 * appends, where we are returning a key).
	 */
	WT_ASSERT(session,
	    (F_ISSET(cursor, WT_CURSTD_APPEND) &&
	    F_MASK(cursor, WT_CURSTD_KEY_SET) == WT_CURSTD_KEY_INT) ||
	    (!F_ISSET(cursor, WT_CURSTD_APPEND) &&
	    F_MASK(cursor, WT_CURSTD_KEY_SET) == 0));

err:	CURSOR_UPDATE_API_END(session, ret);
	return (ret);
}

Example #4

File: cur_file.c Project: zhliu03/wiredtiger

/*
 * __curfile_insert --
 *	WT_CURSOR->insert method for the btree cursor type.
 */
static int
__curfile_insert(WT_CURSOR *cursor)
{
	WT_CURSOR_BTREE *cbt;
	WT_DECL_RET;
	WT_SESSION_IMPL *session;

	cbt = (WT_CURSOR_BTREE *)cursor;
	CURSOR_UPDATE_API_CALL(cursor, session, insert, cbt->btree);
	if (!F_ISSET(cursor, WT_CURSTD_APPEND))
		WT_CURSOR_NEEDKEY(cursor);
	WT_CURSOR_NEEDVALUE(cursor);
	ret = __wt_btcur_insert((WT_CURSOR_BTREE *)cursor);
err:	CURSOR_UPDATE_API_END(session, ret);

	return (ret);
}