fix: improve error handling for MySQL connection

--bug=1053828 --user=刘瑞斌 【函数】内置的MySQL查询函数，在启动参数配错后，应用调用的返回结果为None，没有输出异常信息 https://www.tapd.cn/57709429/s/1675168

Author: liuruibin

apps/function_lib/migrations/0003_functionlib_function_type_functionlib_icon_and_more.py

@@ -106,7 +106,8 @@ def query_mysql(host,port, user, password, database, sql):
         db.close()
 
     except Exception as e:
-        print(f"Error while connecting to MySQL: {e}")', '{"{\\"name\\": \\"sql\\", \\"type\\": \\"string\\", \\"source\\": \\"reference\\", \\"is_required\\": true}"}', 'f0dd8f71-e4ee-11ee-8c84-a8a1595801ab', true, 'PUBLIC', 'INTERNAL', '/src/assets/fx/mysql/icon.png', '[{"attrs": {"maxlength": 200, "minlength": 1, "show-word-limit": true}, "field": "host", "label": "host", "required": true, "input_type": "TextInput", "props_info": {"rules": [{"message": "host 为必填属性", "required": true}, {"max": 200, "min": 1, "message": "host长度在 1 到 200 个字符", "trigger": "blur"}]}, "default_value": "x", "show_default_value": false}, {"attrs": {"maxlength": 20, "minlength": 1, "show-word-limit": true}, "field": "port", "label": "port", "required": true, "input_type": "TextInput", "props_info": {"rules": [{"message": "port 为必填属性", "required": true}, {"max": 20, "min": 1, "message": "port长度在 1 到 20 个字符", "trigger": "blur"}]}, "default_value": "3306", "show_default_value": false}, {"attrs": {"maxlength": 200, "minlength": 1, "show-word-limit": true}, "field": "user", "label": "user", "required": true, "input_type": "TextInput", "props_info": {"rules": [{"message": "user 为必填属性", "required": true}, {"max": 200, "min": 1, "message": "user长度在 1 到 200 个字符", "trigger": "blur"}]}, "default_value": "root", "show_default_value": false}, {"attrs": {"type": "password", "maxlength": 200, "minlength": 1, "show-password": true, "show-word-limit": true}, "field": "password", "label": "password", "required": true, "input_type": "PasswordInput", "props_info": {"rules": [{"message": "password 为必填属性", "required": true}, {"max": 200, "min": 1, "message": "password长度在 1 到 200 个字符", "trigger": "blur"}]}, "default_value": "x", "show_default_value": false}, {"attrs": {"maxlength": 200, "minlength": 1, "show-word-limit": true}, "field": "database", "label": "database", "required": true, "input_type": "TextInput", "props_info": {"rules": [{"message": "database 为必填属性", "required": true}, {"max": 200, "min": 1, "message": "database长度在 1 到 200 个字符", "trigger": "blur"}]}, "default_value": "x", "show_default_value": false}]', null, null);
+        print(f"Error while connecting to MySQL: {e}")
+        raise e', '{"{\\"name\\": \\"sql\\", \\"type\\": \\"string\\", \\"source\\": \\"reference\\", \\"is_required\\": true}"}', 'f0dd8f71-e4ee-11ee-8c84-a8a1595801ab', true, 'PUBLIC', 'INTERNAL', '/src/assets/fx/mysql/icon.png', '[{"attrs": {"maxlength": 200, "minlength": 1, "show-word-limit": true}, "field": "host", "label": "host", "required": true, "input_type": "TextInput", "props_info": {"rules": [{"message": "host 为必填属性", "required": true}, {"max": 200, "min": 1, "message": "host长度在 1 到 200 个字符", "trigger": "blur"}]}, "default_value": "x", "show_default_value": false}, {"attrs": {"maxlength": 20, "minlength": 1, "show-word-limit": true}, "field": "port", "label": "port", "required": true, "input_type": "TextInput", "props_info": {"rules": [{"message": "port 为必填属性", "required": true}, {"max": 20, "min": 1, "message": "port长度在 1 到 20 个字符", "trigger": "blur"}]}, "default_value": "3306", "show_default_value": false}, {"attrs": {"maxlength": 200, "minlength": 1, "show-word-limit": true}, "field": "user", "label": "user", "required": true, "input_type": "TextInput", "props_info": {"rules": [{"message": "user 为必填属性", "required": true}, {"max": 200, "min": 1, "message": "user长度在 1 到 200 个字符", "trigger": "blur"}]}, "default_value": "root", "show_default_value": false}, {"attrs": {"type": "password", "maxlength": 200, "minlength": 1, "show-password": true, "show-word-limit": true}, "field": "password", "label": "password", "required": true, "input_type": "PasswordInput", "props_info": {"rules": [{"message": "password 为必填属性", "required": true}, {"max": 200, "min": 1, "message": "password长度在 1 到 200 个字符", "trigger": "blur"}]}, "default_value": "x", "show_default_value": false}, {"attrs": {"maxlength": 200, "minlength": 1, "show-word-limit": true}, "field": "database", "label": "database", "required": true, "input_type": "TextInput", "props_info": {"rules": [{"message": "database 为必填属性", "required": true}, {"max": 200, "min": 1, "message": "database长度在 1 到 200 个字符", "trigger": "blur"}]}, "default_value": "x", "show_default_value": false}]', null, null);
 INSERT INTO function_lib (create_time, update_time, id, name, "desc", code, input_field_list, user_id, is_active, permission_type, function_type, icon, init_field_list, init_params, template_id) VALUES ('2025-03-17 07:37:54.620836 +00:00', '2025-03-17 07:37:54.620887 +00:00', 'bd1e8b88-0302-11f0-87bb-5618c4394482', 'PostgreSQL 查询', '', e'
 def queryPgSQL(dbname, user, password, host, port, query):
     import psycopg2