dbplus_rcrtexact
(PHP 4 <= 4.1.0, PECL dbplus >= 0.9)
dbplus_rcrtexact — Creates an exact but empty copy of a relation including indices
说明
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.
参数
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.
返回值
Returns resource on success or DBPLUS_ERR_UNKNOWN on
failure.
注释
Warning此函数是实验性的。此函数的表象，包括名称及其相关文档都可能在未来的 PHP 发布版本中未通知就被修改。使用本函数风险自担 。
User Contributed Notes
There are no user contributed notes for this page.官方地址：https://www.php.net/manual/en/function.dbplus-rcrtexact.php