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https://issues.apache.org/jira/browse/ASTERIXDB-3165?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wail Y. Alkowaileet updated ASTERIXDB-3165:
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Issue Type: Improvement (was: Bug)
> Avoid encoding PKs in columnar collections
> ------------------------------------------
>
> Key: ASTERIXDB-3165
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-3165
> Project: Apache AsterixDB
> Issue Type: Improvement
> Components: STO - Storage
> Affects Versions: 0.9.9
> Reporter: Wail Y. Alkowaileet
> Assignee: Wail Y. Alkowaileet
> Priority: Major
> Fix For: 0.9.9
>
>
> Currently, we encode every column (including the PKs). Encoding the PKs makes
> point lookups too expensive when a secondary index is created.
> We should avoid encoding the PKs and allow the following:
> * Perform binary search for point lookups (vs. sequential search)
> * Definition levels for PKs should remain encoded. However, we only decode
> them (definition levels) if the search predicate yields a result
> Optional improvements:
> * Use a typed comparator instead of the generic one
> * Avoid deserializing the search predicate
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