Deprecation of original API

Author: rok

parquet/src/arrow/arrow_writer/mod.rs

@@ -409,6 +409,7 @@ impl<W: Write + Send> ArrowWriter<W> {
     }
 
     /// Create a new row group writer and return its column writers.
+    #[deprecated(since = "56.2.0", note = "Use into_serialized_writer instead")]
     pub fn get_column_writers(&mut self) -> Result<Vec<ArrowColumnWriter>> {
         self.flush()?;
         let in_progress = self
@@ -418,6 +419,7 @@ impl<W: Write + Send> ArrowWriter<W> {
     }
 
     /// Append the given column chunks to the file as a new row group.
+    #[deprecated(since = "56.2.0", note = "Use into_serialized_writer instead")]
     pub fn append_row_group(&mut self, chunks: Vec<ArrowColumnChunk>) -> Result<()> {
         let mut row_group_writer = self.writer.next_row_group()?;
         for chunk in chunks {