improve logic

Author: dplewis

spec/ParseQuery.spec.js

@@ -247,7 +247,7 @@ describe('Parse.Query testing', () => {
     query.notContainedIn('value', []);
 
     const results = await query.find();
-    equal(results.length, 0);
+    equal(results.length, 1);
   });
 
   it('query containedIn on empty array', async () => {

src/Adapters/Storage/Postgres/PostgresStorageAdapter.js

@@ -431,9 +431,12 @@ const buildWhereClause = ({ schema, query, index }): WhereClause => {
           patterns.push(`$${index}:name IS NULL`);
           index = index + 1;
         } else {
-          patterns.push(`$${index}:name ${not} IN (null)`);
-          values.push(fieldName);
-          index += 1;
+          // Handle empty array
+          if (notIn) {
+            patterns.push('1 = 1'); // Return all values
+          } else {
+            patterns.push('1 = 2'); // Return no values
+          }
         }
       };
       if (fieldValue.$in) {