Can only String datatype be used for value?

[Athi2019rit]

Hi Guys, Is there any way to define the key value data type in rocksdb ?

Beccause I need to store an unordered_map as value for the key string in rocksdb, I cant do it. I've searched for it. But all suggests to convert it to string first and and then storing. In my use case converting unordered_map to string and then storing it and when getting again converting string to unordered_map is a costliest operation and affecting performance.

Kindly help me with this ?

[adamretter]

RocksDB just stores byte arrays (or strings as you put). It is the responsibility of the user to serialize/deserialize their keys and values as they need. That being said, I wrote a custom merge operator that might cover your use case, you can find it here - #3620

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On Thu, 21 Dec 2023 at 19:04, Athi2019rit ***@***.***> wrote: Hi Guys, Is there any way to define the key value data type in rocksdb ? Beccause I need to store an unordered_map as value for the key string in rocksdb, I cant do it. I've searched for it. But all suggests to convert it to string first and and then storing. In my use case converting unordered_map to string and then storing it and when getting again converting string to unordered_map is a costliest operation and affecting performance. Kindly help me with this ? — Reply to this email directly, view it on GitHub <#12172>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AAJUTOIJ7N32FFRL4PPGPBDYKR2ZRAVCNFSM6AAAAABA6YNHWSVHI2DSMVQWIX3LMV43ASLTON2WKOZSGA2TEOBVHE4DMOA> . You are receiving this because you are subscribed to this thread.Message ID: ***@***.***>

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