From 181b8654d05da3fcea78cfadd978a28282f8736b Mon Sep 17 00:00:00 2001
From: Yu-Hua Yang <107571329+yuhuayang-google@users.noreply.github.com>
Date: Fri, 1 Jul 2022 11:15:04 -0700
Subject: [PATCH] Fix: close Teradata connection via object delete (#524)

---
 third_party/ibis/ibis_teradata/client.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/third_party/ibis/ibis_teradata/client.py b/third_party/ibis/ibis_teradata/client.py
index f3e4bee6e..fe4309b09 100644
--- a/third_party/ibis/ibis_teradata/client.py
+++ b/third_party/ibis/ibis_teradata/client.py
@@ -93,6 +93,9 @@ def __init__(self, host, user_name, password, port=1025, logmech='TD2', use_no_l
         self.client = teradatasql.connect(**self.teradata_config)
         self.use_no_lock_tables = use_no_lock_tables
 
+    def __del__ (self):
+        teradatasql.close()
+        
     def _execute(self, dml, results=False, **kwargs):
         query = TeradataQuery(self, dml)
         df = self._execute_query(query, **kwargs)