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https://issues.apache.org/jira/browse/IMPALA-11811?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Sherman resolved IMPALA-11811.
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Fix Version/s: Impala 4.1.2
Target Version: Impala 4.1.2
Resolution: Fixed
> Avoid storing unregistered predicate objects in a Map
> -----------------------------------------------------
>
> Key: IMPALA-11811
> URL: https://issues.apache.org/jira/browse/IMPALA-11811
> Project: IMPALA
> Issue Type: Bug
> Components: fe
> Affects Versions: Impala 1.4.2
> Reporter: Andrew Sherman
> Assignee: Andrew Sherman
> Priority: Major
> Fix For: Impala 4.1.2
>
>
> Within the extractIcebergConjuncts() method we are tracking conjuncts which
> are identity conjuncts by storing them in a temporary Map.
> The conjuncts are Expr objects which have a hashCode() method based on their
> id_ field, which is only present when they are registered.
> If the id_ field is null, then the hashCode() will throw, and hence
> unregistered predicates cannot be stored in a Map.
> This can happen if the conjuncts are bound predicates (produced by
> getBoundPredicates()) which are explicitly not registered.
> Change extractIcebergConjuncts() to track the identity conjuncts in another
> way, perhaps using a boolean array which tracks the index of the identity
> conjuncts in conjuncts_ List.
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