LiPenglin created IMPALA-11286:
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Summary: Implement impala write 'values_counts' to Iceberg meta
Key: IMPALA-11286
URL: https://issues.apache.org/jira/browse/IMPALA-11286
Project: IMPALA
Issue Type: Improvement
Reporter: LiPenglin
Assignee: LiPenglin
Impala doesn't write 'value_counts', only 'null_value_counts'.
[https://github.com/apache/impala/blob/1f20b7aa51b5c93dea03515423def2d800f43554/fe/src/main/java/org/apache/impala/service/IcebergCatalogOpExecutor.java#L316]
'values_counts' is very helpful for pushing down NOT_NULL predicate, so we
should implement impala write 'values_counts' to Iceberg Meta.
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