cosmind-db commented on code in PR #45202:
URL: https://github.com/apache/spark/pull/45202#discussion_r1505540581
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sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetFilters.scala:
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@@ -700,17 +700,19 @@ class ParquetFilters(
makeNotEq.lift(nameToParquetField(name).fieldType)
.map(_(nameToParquetField(name).fieldNames, value))
- case sources.LessThan(name, value) if canMakeFilterOn(name, value) =>
+ case sources.LessThan(name, value) if (value != null) &&
canMakeFilterOn(name, value) =>
Review Comment:
EqualTo and EqualNullSafe translate to Eq in parquet which are null
tolerant.
Eq:
https://github.com/apache/parquet-mr/blob/master/parquet-column/src/main/java/org/apache/parquet/filter2/predicate/Operators.java#L174
Lt:
https://github.com/apache/parquet-mr/blob/master/parquet-column/src/main/java/org/apache/parquet/filter2/predicate/Operators.java#L200
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