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(PHP 4 <= 4.1.0, PECL dbplus >= 0.9)
dbplus_rkeys — Specify new primary key for a relation
$relation
, mixed $domlist
) dbplus_rkeys() will replace the current
primary key for relation
with the
combination of domains specified by domlist
.
relation
A relation opened by dbplus_open() .
domlist
A combination of domains. May be passed as a single domain name string or as an array of domain names.
Returns resource on success or DBPLUS_ERR_UNKNOWN
on
failure.
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 。