sunchao commented on a change in pull request #9047:
URL: https://github.com/apache/arrow/pull/9047#discussion_r550905767
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File path: rust/parquet/src/arrow/schema.rs
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@@ -591,6 +591,7 @@ impl ParquetTypeConverter<'_> {
LogicalType::INT_32 => Ok(DataType::Int32),
LogicalType::DATE => Ok(DataType::Date32(DateUnit::Day)),
LogicalType::TIME_MILLIS =>
Ok(DataType::Time32(TimeUnit::Millisecond)),
+ LogicalType::DECIMAL => self.to_decimal(),
Review comment:
Got it. This looks good but why we need to do another cast on the arrow
array though? it could hurt performance. Is it possible to directly build
decimal array from the input parquet data?
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