init

index.php

@@ -22,18 +22,21 @@ class ConnectionManager {
     }
 }
 abstract class BaseModel {
-    protected static $sql;
+    protected static $sql = null;
     
     public function __construct(ISqlBase $sql) {
         self::$sql = $sql;
     }
     
     public static function Get(int $id) {
+        self::Initialize();
         return ConnectionManager::Query(
             self::$sql->Get(),
             [],
             get_called_class());
     }
+    
+    abstract private static function Initialize();
 }
 
 class JobSql implements ISqlBase {
@@ -47,13 +50,19 @@ class Job extends BaseModel {
     public function __construct() {
         parent::__construct( new JobSql() );
     }
+    
+    private static function Initialize() {
+        if (self::$sql === null) {
+            self::$sql = new JobSql();
+        }
+    }
 }
 $dns = 'pgsql:host=localhost;port=5432;dbname=dynamic_dev;user=test;password=pass123';
 ConnectionManager::Connect($dns);
 echo "
 
 ";
-echo Job::Get(10);
+var_dump(Job::Get(10));
 echo "
 
 ";