From 2ca5739bc5665a243bdb219d286a8939da86ef4f Mon Sep 17 00:00:00 2001
From: Aykut Bozkurt <aykut.bozkurt1995@gmail.com>
Date: Tue, 21 Jan 2025 21:01:39 +0300
Subject: [PATCH] fix: set copy context to null after deleting it

---
 src/parquet_copy_hook/copy_to_dest_receiver.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/parquet_copy_hook/copy_to_dest_receiver.rs b/src/parquet_copy_hook/copy_to_dest_receiver.rs
index 4e5642a..9e8324a 100644
--- a/src/parquet_copy_hook/copy_to_dest_receiver.rs
+++ b/src/parquet_copy_hook/copy_to_dest_receiver.rs
@@ -126,6 +126,8 @@ impl CopyToParquetDestReceiver {
     fn cleanup(&mut self) {
         if !self.per_copy_context.is_null() {
             unsafe { MemoryContextDelete(self.per_copy_context) };
+
+            self.per_copy_context = std::ptr::null_mut();
         }
 
         if !self.parquet_writer_context.is_null() {