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Re: mysql hash table equivalent?

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Tom Lane <tgl@xxxxxxxxxxxxx> writes:

> "Chris St Denis" <chris@xxxxxxxx> writes:
>> Does postgres support in-memory only tables like the mysql HASH table type?
>
> No, and it doesn't seem particularly necessary: a table that is being
> hit heavily will stay in cache buffers anyhow.  You don't need any
> special mechanism.

And if you're really concerned about speed, you should be caching it
in application memory and saving the IPC round trip and the SQL
parsing overhead...

-Doug

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