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https://issues.apache.org/jira/browse/PHOENIX-5096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16739783#comment-16739783
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Lars Hofhansl commented on PHOENIX-5096:
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To me this looks like this is not working at all.
> Local index region pruning is not working as expected.
> ------------------------------------------------------
>
> Key: PHOENIX-5096
> URL: https://issues.apache.org/jira/browse/PHOENIX-5096
> Project: Phoenix
> Issue Type: Bug
> Reporter: Lars Hofhansl
> Priority: Major
>
> The pruning of local indexes should do the following:
> * Use the local index
> * Reduce the number of regions based on filters on the table's primary (i.e.
> WHERE conditions including prefixes of the primary key)
> Instead it looks like in order for this to work the needed PK column need to
> be included in the local index itself, changing the sort order of the local
> index.
> I'll provide some examples in the comments.
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