fixed get multiple when no value

src/Utils/DataAccess/LuDataAccess.php

 use Illuminate\Database\Connection;
 use Illuminate\Database\Query\Builder;
 use Luticate\Utils\Business\LuArrayUtils;
+use Luticate\Utils\Business\LuStringUtils;
 use Luticate\Utils\Dbo\LuDbo;
 
 abstract class LuDataAccess {
     {
         $query = static::resolveQuery($query);
         $string = $query->aggregate("json_agg", [static::$_table_as]);
-        $json = json_decode($string, true);
-        $data = LuArrayUtils::snakeToCamelCase($json);
+        if (is_null($string)) {
+            return [];
+        }
+        $data = LuStringUtils::convertJsonString($string);
         
         return call_user_func([static::$_dboArrayClass, 'jsonDeserialize'], $data);
     }

tests/DatabaseTest.php

 <?php
+use Illuminate\Database\Query\Builder;
 use Luticate\Utils\Controller\LuticateApplication;
 use Illuminate\Database\Capsule\Manager as Capsule;
 use Luticate\Utils\DataAccess\LuDataAccess;
 //                'name'      => 'mydb',
 //                'driver'    => 'pgsql',
 //                'host'      => '172.17.0.1',
-//                'database'  => 'intra_betaclean',
+//                'database'  => 'luticate2',
 //                'username'  => 'dev',
 //                'password'  => 'dev'
 //            ]
 //        ]];
 //        $app = new LuticateApplication($config);
 //        $app->setupDatabases();
-        
+//        
 //        $dbo = new TestTableDbo();
 //        $dbo->setId(11);
 //        $dbo->setSomeIntegerArray('{}');
 //        $dbo->setSomeText("lol2");
-
+//
+//        var_dump(TestTableDataAccess::getMultiple(function(Builder $q)
+//        {
+//            return $q->where("id", "=", 1);
+//        }));
 //        var_dump(TestTableDataAccess::getSingleById(1));
 //        var_dump(TestTableDataAccess::deleteMultiple(function($q)
 //        {