From ac102ca101685bf43f1338223946715463f66448 Mon Sep 17 00:00:00 2001
From: Liang-Chi Hsieh <viirya@gmail.com>
Date: Sun, 13 Mar 2022 19:36:58 -0700
Subject: [PATCH] Fix generate_decimal128_case

---
 integration-testing/src/lib.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/integration-testing/src/lib.rs b/integration-testing/src/lib.rs
index cb57ffc2d0dc..e59cce2ab900 100644
--- a/integration-testing/src/lib.rs
+++ b/integration-testing/src/lib.rs
@@ -553,6 +553,22 @@ fn array_from_json(
                 ))),
             }
         }
+        DataType::Decimal(precision, scale) => {
+            let mut b = DecimalBuilder::new(json_col.count, *precision, *scale);
+            for (is_valid, value) in json_col
+                .validity
+                .as_ref()
+                .unwrap()
+                .iter()
+                .zip(json_col.data.unwrap())
+            {
+                match is_valid {
+                    1 => b.append_value(value.as_str().unwrap().parse::<i128>().unwrap()),
+                    _ => b.append_null(),
+                }?;
+            }
+            Ok(Arc::new(b.finish()))
+        }
         t => Err(ArrowError::JsonError(format!(
             "data type {:?} not supported",
             t