As the NEXTKEY implementation in BerkeleyDB.xs also uses c_get, it looks like there is no way to retrieve keys only (without retrieving values).  NEXTKEY is the function called under the hood by BerkeleyDB's tied-hash interface when you call keys %hash.

In reply to Re: What is a fast way to get keys of a Berkeley DB into an array? by almut
in thread What is a fast way to get keys of a Berkeley DB into an array? by mab

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