Yujiang Zhong created PARQUET-2245:
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Summary: Improve dictionary filter evaluating notEq
Key: PARQUET-2245
URL: https://issues.apache.org/jira/browse/PARQUET-2245
Project: Parquet
Issue Type: Improvement
Reporter: Yujiang Zhong
When evaluating `notEq`, if the column may contain nulls and the `notEq` value
is non-null, the row-group must not be skipped. In such scenario reading
dictionary and compare values is not necessary.
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