From 01c386b7dcd306e6ea2e57d9d27e3a16de0926ce Mon Sep 17 00:00:00 2001
From: tonyhu214 <45055121+tonyhu214@users.noreply.github.com>
Date: Thu, 24 Aug 2023 13:52:59 +0800
Subject: [PATCH] fixed #2252

fix #2252
---
 sql/engines/oracle.py | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/sql/engines/oracle.py b/sql/engines/oracle.py
index 6f25bbe71b..35d6f1bc67 100644
--- a/sql/engines/oracle.py
+++ b/sql/engines/oracle.py
@@ -590,10 +590,7 @@ def explain_check(self, db_name=None, sql="", close_conn=False):
             conn = self.get_connection()
             cursor = conn.cursor()
             if db_name:
-                cursor.execute(
-                    f" ALTER SESSION SET CURRENT_SCHEMA = :db_name ",
-                    {"db_name": db_name},
-                )
+                conn.conn.current_schema=db_name
             if re.match(r"^explain", sql, re.I):
                 sql = sql
             else:
@@ -669,10 +666,7 @@ def query(
             conn = self.get_connection()
             cursor = conn.cursor()
             if db_name:
-                cursor.execute(
-                    f" ALTER SESSION SET CURRENT_SCHEMA = :db_name ",
-                    {"db_name": db_name},
-                )
+                conn.current_schema=db_name
             sql = sql.rstrip(";")
             # 支持oralce查询SQL执行计划语句
             if re.match(r"^explain", sql, re.I):