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dbplus_rkeys

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

dbplus_rkeysSpecify new primary key for a relation

说明

mixed dbplus_rkeys ( resource $relation , mixed $domlist )

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 。

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