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# dbplus_rkeys

(4.1.0 - 4.2.3 only, PECL)

dbplus_rkeys -- Specify new primary key for a relation

## Description

mixed dbplus_rkeys ( resource relation, mixed domlist )

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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 failure.

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