From a70d37ba29b1f3e7223c1071a549cc7361c9d094 Mon Sep 17 00:00:00 2001
From: taichong <tai_chong@foxmail.com>
Date: Tue, 21 Feb 2023 21:13:39 +0800
Subject: [PATCH] feat(parquet): add support decimal256 read/write in parquet

---
 src/io/parquet/write/schema.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/io/parquet/write/schema.rs b/src/io/parquet/write/schema.rs
index ee60e98ac13..4465bf74000 100644
--- a/src/io/parquet/write/schema.rs
+++ b/src/io/parquet/write/schema.rs
@@ -295,6 +295,14 @@ pub fn to_parquet_type(field: &Field) -> Result<ParquetType> {
                 None,
             )?)
         }
+        DataType::Decimal256(_, _) => Ok(ParquetType::try_from_primitive(
+            name,
+            PhysicalType::FixedLenByteArray(16),
+            repetition,
+            None,
+            None,
+            None,
+        )?),
         DataType::Interval(_) => Ok(ParquetType::try_from_primitive(
             name,
             PhysicalType::FixedLenByteArray(12),