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https://issues.apache.org/jira/browse/HBASE-13094?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15423087#comment-15423087
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Lars Hofhansl commented on HBASE-13094:
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I'd like to warm this up again.
There are several ways to do this:
# Add a special Filter that can wrap any other filter. This filter would be
evaluated before the delete markers are checked. This needs to be the only
Filter used.
# Variation of #1, which would allow to add this wrapper to a FilterList, then
some logic to evaluate the right parts before or after delete markers are
handled.
# Add a new API to filter, in order to indicate whether this filter is to be
evaluated before or after delete markers.
# Add a new API to Scan and Get to allow adding a 2nd filter, that is evaluated
before deletes.
#1 is simplest and can be done 100% backwards compatible. #4 seems cleanest.
Comments?
[~stack], [~apurtell]
> Consider Filters that are evaluated before deletes and see delete markers
> -------------------------------------------------------------------------
>
> Key: HBASE-13094
> URL: https://issues.apache.org/jira/browse/HBASE-13094
> Project: HBase
> Issue Type: Brainstorming
> Components: regionserver, Scanners
> Reporter: Lars Hofhansl
>
> That would be good for full control filtering of all cells, such as needed
> for some transaction implementations.
> [~ghelmling]
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