dbplus_rcrtexact

(PHP 4 <= 4.1.0, PECL dbplus >= 0.9)

dbplus_rcrtexactCreates an exact but empty copy of a relation including indices

˵��

dbplus_rcrtexact ( string $name , resource $relation [, bool $overwrite ] ) : mixed

dbplus_rcrtexact() will create an exact but empty copy of the given relation under a new name.

����

name

relation

The copied relation, opened by dbplus_open().

overwrite

An existing relation by the same name will only be overwritten if this parameter is set to TRUE and no other process is currently using the relation.

����ֵ

Returns resource on success or DBPLUS_ERR_UNKNOWN on failure.

ע��

Warning

�˺�����ʵ�����ġ��˺����ı��󣬰������Ƽ�������ĵ���������δ���� PHP �����汾��δ֪ͨ�ͱ��޸ġ�ʹ�ñ����������Ե� ��