On Wed, Mar 15, 2017 at 3:44 PM, Pavan Deolasee
<pavan.deola...@gmail.com> wrote:
> I couldn't find a better way without a lot of complex infrastructure. Even
> though we now have ability to mark index pointers and we know that a given
> pointer either points to the pre-WARM chain or post-WARM chain, this does
> not solve the case when an index does not receive a new entry. In that case,
> both pre-WARM and post-WARM tuples are reachable via the same old index
> pointer. The only way we could deal with this is to mark index pointers as
> "common", "pre-warm" and "post-warm". But that would require us to update
> the old pointer's state from "common" to "pre-warm" for the index whose keys
> are being updated. May be it's doable, but might be more complex than the
> current approach.

/me scratches head.

Aren't pre-warm and post-warm just (better) names for blue and red?

Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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