def start(self, context):
self.config['<STR_LIT>'] = self.alias<EOL>safe_config = dict(self.config)<EOL>del safe_config['<STR_LIT:host>']<EOL>log.info("<STR_LIT>", extra=dict(<EOL>uri = redact_uri(self.config['<STR_LIT:host>']),<EOL>config = self.config,<EOL>))<EOL>self.connection = connect(**self.config)<EOL>
Initialize the database connection.