Fix issue #5293

Author: JeffGuKang

src/Adapters/Storage/Postgres/PostgresStorageAdapter.js

@@ -5,7 +5,7 @@ import Parse from 'parse/node';
 // @flow-disable-next
 import _ from 'lodash';
 import sql from './sql';
-import { XRegExp } = from 'xregexp';
+import { XRegExp } from 'xregexp';
 
 const PostgresRelationDoesNotExistError = '42P01';
 const PostgresDuplicateRelationError = '42P07';