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https://issues.apache.org/jira/browse/PHOENIX-1211?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14123220#comment-14123220
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James Taylor commented on PHOENIX-1211:
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Yes, you only want to use slotSpan when you move from slot to slot, not within
a slot.
> Use skip scan when row value constructor uses leading row key columns
> ----------------------------------------------------------------------
>
> Key: PHOENIX-1211
> URL: https://issues.apache.org/jira/browse/PHOENIX-1211
> Project: Phoenix
> Issue Type: Bug
> Reporter: James Taylor
> Assignee: Kyle Buzsaki
> Attachments: PHOENIX-1211-diff.patch
>
>
> We currently only use a skip scan for a row value constructor equality or in
> list expression is fully qualified. We can fairly easily use it when only
> some of the leading pk columns are used.
> For example:
> {code}
> WHERE (a,b) IN ((1,2),(3,4))
> {code}
> If the PK is (a,b,c), we can still use a skip scan. We need to pass through
> the slotSpan array in this case too, to the SkipScanFilter.
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