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https://issues.apache.org/jira/browse/HUDI-8943?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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sivabalan narayanan resolved HUDI-8943.
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> Partition stats should skip queries with null or complex expressions
> --------------------------------------------------------------------
>
> Key: HUDI-8943
> URL: https://issues.apache.org/jira/browse/HUDI-8943
> Project: Apache Hudi
> Issue Type: Bug
> Components: index
> Reporter: Lokesh Jain
> Assignee: Lokesh Jain
> Priority: Blocker
> Labels: pull-request-available
> Fix For: 1.0.1
>
>
> Currently partition stats avoids data skipping if even one of the query
> filters has a null, value count based expression. Or if any query uses a
> complex expression like expression index.
> The jira aims to fix the logic so that index only filters out such queries
> and performs pruning based on the other queries.
> For example Spark automatically adds query isNotNull on a column like:-
> isnotnull(driver#869) when an equality query on driver is used. We can ignore
> such queries for partition stats.
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