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Posted to issues@impala.apache.org by "LiPenglin (Jira)" <ji...@apache.org> on 2022/07/20 06:29:00 UTC

[jira] [Created] (IMPALA-11446) push down NOT_IN predicate to iceberg

LiPenglin created IMPALA-11446:
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             Summary: push down NOT_IN predicate to iceberg
                 Key: IMPALA-11446
                 URL: https://issues.apache.org/jira/browse/IMPALA-11446
             Project: IMPALA
          Issue Type: Sub-task
            Reporter: LiPenglin
            Assignee: LiPenglin


Since 'org.apache.iceberg.expressions.InclusiveMetricsEvaluator.MetricsEvalVisitor#notIn' [https://github.com/apache/iceberg/blob/master/api/src/main/java/org/apache/iceberg/expressions/InclusiveMetricsEvaluator.java#L370] always returns 'ROWS_MIGHT_MATCH', the push-down of NOT_IN was not implemented at that time, but NOT_IN works when the column is a partitioned column, it's still very helpful.



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