From 2597c9abc63a599a2bf07ee59c881defef58dafa Mon Sep 17 00:00:00 2001
From: jp0317 <zjpzlz@gmail.com>
Date: Thu, 19 Dec 2024 16:16:08 +0000
Subject: [PATCH] return error for invalid decimal length

---
 parquet/src/schema/types.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/parquet/src/schema/types.rs b/parquet/src/schema/types.rs
index 0347f7da46d..d9e9b22e809 100644
--- a/parquet/src/schema/types.rs
+++ b/parquet/src/schema/types.rs
@@ -556,7 +556,10 @@ impl<'a> PrimitiveTypeBuilder<'a> {
                 }
             }
             PhysicalType::FIXED_LEN_BYTE_ARRAY => {
-                let length = self.length.checked_mul(8).unwrap_or(i32::MAX);
+                let length = self
+                    .length
+                    .checked_mul(8)
+                    .ok_or(general_err!("Invalid length {} for Decimal", self.length))?;
                 let max_precision = (2f64.powi(length - 1) - 1f64).log10().floor() as i32;
 
                 if self.precision > max_precision {