From aa9e205e60c039780ddc5073d85cd714acdc3728 Mon Sep 17 00:00:00 2001
From: Raki <46581776+mdrakiburrahman@users.noreply.github.com>
Date: Mon, 7 Oct 2024 23:50:56 -0400
Subject: [PATCH] Cast pointer to byte instead of char

---
 .../Kernel/Arrow/Handlers/ArrowFFIInterOpHandler.cs       | 8 ++++----
 src/DeltaLake/Kernel/State/ParquetStringPartitions.cs     | 4 ++--
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/DeltaLake/Kernel/Arrow/Handlers/ArrowFFIInterOpHandler.cs b/src/DeltaLake/Kernel/Arrow/Handlers/ArrowFFIInterOpHandler.cs
index b3dabdd..0fc75c1 100644
--- a/src/DeltaLake/Kernel/Arrow/Handlers/ArrowFFIInterOpHandler.cs
+++ b/src/DeltaLake/Kernel/Arrow/Handlers/ArrowFFIInterOpHandler.cs
@@ -180,13 +180,13 @@ private static unsafe ParquetStringPartitions ParseParquetStringPartitions(
                 }
             }
 
-            char** colNamesPtr = (char**)Marshal.AllocHGlobal(colNames.Count * sizeof(char*));
-            char** colValuesPtr = (char**)Marshal.AllocHGlobal(colValues.Count * sizeof(char*));
+            byte** colNamesPtr = (byte**)Marshal.AllocHGlobal(colNames.Count * sizeof(byte*));
+            byte** colValuesPtr = (byte**)Marshal.AllocHGlobal(colValues.Count * sizeof(byte*));
 
             for (int i = 0; i < colNames.Count; i++)
             {
-                colNamesPtr[i] = (char*)Marshal.StringToHGlobalAnsi(colNames[i]);
-                colValuesPtr[i] = (char*)Marshal.StringToHGlobalAnsi(colValues[i]);
+                colNamesPtr[i] = (byte*)Marshal.StringToHGlobalAnsi(colNames[i]);
+                colValuesPtr[i] = (byte*)Marshal.StringToHGlobalAnsi(colValues[i]);
             }
 
             return new ParquetStringPartitions
diff --git a/src/DeltaLake/Kernel/State/ParquetStringPartitions.cs b/src/DeltaLake/Kernel/State/ParquetStringPartitions.cs
index 8820e04..1ed3a95 100644
--- a/src/DeltaLake/Kernel/State/ParquetStringPartitions.cs
+++ b/src/DeltaLake/Kernel/State/ParquetStringPartitions.cs
@@ -24,12 +24,12 @@ internal struct ParquetStringPartitions
         /// <summary>
         /// The list of partition column names.
         /// </summary>
-        public unsafe char** ColNames;
+        public unsafe byte** ColNames;
 
         /// <summary>
         /// The list of partition column values, all strings, even if they are
         /// numbers - as they are stored as strings in the parquet the Kernel reads back.
         /// </summary>
-        public unsafe char** ColValues;
+        public unsafe byte** ColValues;
     }
 }