tustvold commented on code in PR #5812:
URL: https://github.com/apache/arrow-rs/pull/5812#discussion_r1618406076
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parquet/src/file/properties.rs:
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@@ -669,14 +669,30 @@ impl WriterPropertiesBuilder {
}
}
-/// Controls the level of statistics to be computed by the writer
+/// Controls the level of statistics to be computed by the writer and stored in
+/// the parquet file.
+///
+/// Enabling statistics makes the resulting Parquet file larger and requires
+/// more time to read the parquet footer.
+///
+/// Statistics can be used to improve query performance by efficient row groups
Review Comment:
```suggestion
/// Statistics can be used to improve query performance by pruning row groups
```
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