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https://issues.apache.org/jira/browse/HAWQ-1110?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Goden Yao updated HAWQ-1110:
----------------------------
    Assignee: Oleksandr Diachenko  (was: Lei Chang)

> Optimize LIKE operator on storage layer
> ---------------------------------------
>
>                 Key: HAWQ-1110
>                 URL: https://issues.apache.org/jira/browse/HAWQ-1110
>             Project: Apache HAWQ
>          Issue Type: Improvement
>          Components: PXF
>            Reporter: Oleksandr Diachenko
>            Assignee: Oleksandr Diachenko
>             Fix For: backlog
>
>
> As for now HiveORC profile doesn't use any storage layer optimizations for 
> LIKE operator.
> Current optimization could be applied:
> 1) Parse first token of LIKE clause before first occurrence of "%" symbol.
> 2) Apply ORC filter: >=<TOKEN> AND <=<NEXT_TOKEN>
> Where NEXT_TOKEN = 



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