Re: [PR] Add references for defaults in `WriterPropertiesBuilder` [arrow-rs]

["mbrobbel (via GitHub)" <gi...@apache.org>]

mbrobbel commented on code in PR #7558:
URL: https://github.com/apache/arrow-rs/pull/7558#discussion_r2120491504


##########
parquet/src/file/properties.rs:
##########
@@ -614,6 +622,84 @@ impl WriterPropertiesBuilder {
         self
     }
 
+    /// Sets the max length of min/max value fields when writing the column
+    /// [`Index`] (defaults to `Some(64)` via [`DEFAULT_COLUMN_INDEX_TRUNCATE_LENGTH`]).
+    ///
+    /// This can be used to prevent columns with very long values (hundreds of
+    /// bytes long) from causing the parquet metadata to become huge.
+    ///
+    /// # Notes
+    ///
+    /// The column [`Index`] is written when [`Self::set_statistics_enabled`] is
+    /// set to [`EnabledStatistics::Page`].
+    ///
+    /// * If `Some`, must be greater than 0, otherwise will panic

Review Comment:
   https://github.com/apache/arrow-rs/issues/7587



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