dbplus_rkeys
(PHP 4 <= 4.1.0, PECL dbplus >= 0.9)
dbplus_rkeys — Specify new primary key for a relation
说明
dbplus_rkeys() will replace the current primary key for relation
with the combination of domains specified by domlist
.
参数
-
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.
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 。