(4.1.0 - 4.2.3 only, PECL)
dbplus_rkeys -- Specify new primary key for a relation
( resource relation, mixed domlist )
This function is
EXPERIMENTAL. The behaviour of this function, the
name of this function, and anything else documented about this
function may change without notice in a future release of PHP.
Use this function at your own risk.
dbplus_rkeys() will replace the current
primary key for relation with the
combination of domains specified by domlist.
domlist 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