[jira] [Closed] (HUDI-2788) Z-ordering Layout Optimization Strategy fails w/ Data Skipping enabled

["Alexey Kudinkin (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HUDI-2788?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alexey Kudinkin closed HUDI-2788.
---------------------------------
    Resolution: Fixed

> Z-ordering Layout Optimization Strategy fails w/ Data Skipping enabled
> ----------------------------------------------------------------------
>
>                 Key: HUDI-2788
>                 URL: https://issues.apache.org/jira/browse/HUDI-2788
>             Project: Apache Hudi
>          Issue Type: Task
>          Components: index
>            Reporter: Alexey Kudinkin
>            Assignee: Alexey Kudinkin
>            Priority: Blocker
>              Labels: pull-request-available
>             Fix For: 0.10.0
>
>
> During testing of Z-ordering in test environment i've discovered following issues:
>  # Queries failing for tables w/ enabled Clustering w/ Z-ordering Layout and data-skipping enabled, being unable to read `_SUCCESS` file (automatically created by Spark)
>  # Some of the translations of the original query predicates into Z-index table predicates are translated incorrectly (`!=`, `not like`, etc)
>  # Join merging indexes across commits incorrectly always checks for null first column (instead of Nth column) when picking the result of the merge



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