fixes #8

Not tested yet

DataStorage/Database/Query/Builder.php

@@ -116,7 +116,7 @@ class Builder extends BuilderAbstract
     /**
      * Limit.
      *
-     * @var array
+     * @var int
      * @since 1.0.0
      */
     public $limit = null;

DataStorage/Database/Query/Grammar/Grammar.php

@@ -300,7 +300,7 @@ class Grammar extends GrammarAbstract
      * @since  1.0.0
      * @author Dennis Eichhorn <d.eichhorn@oms.com>
      */
-    protected function compileLimit(Builder $query, $limit) : string
+    protected function compileLimit(Builder $query, int $limit) : string
     {
         return 'LIMIT ' . $limit;
     }

DataStorage/Database/Query/Grammar/MicrosoftGrammar.php

@@ -15,6 +15,7 @@
  */
 
 namespace phpOMS\DataStorage\Database\Query\Grammar;
+use phpOMS\DataStorage\Database\Query\Builder;
 
 /**
  * Grammar class.

DataStorage/Database/Query/Grammar/MysqlGrammar.php

@@ -15,6 +15,7 @@
  */
 
 namespace phpOMS\DataStorage\Database\Query\Grammar;
+use phpOMS\DataStorage\Database\Query\Builder;
 
 /**
  * Grammar class.

DataStorage/Database/Query/Grammar/OracleGrammar.php

@@ -15,6 +15,7 @@
  */
 
 namespace phpOMS\DataStorage\Database\Query\Grammar;
+use phpOMS\DataStorage\Database\Query\Builder;
 
 /**
  * Grammar class.

DataStorage/Database/Query/Grammar/PostgresGrammar.php

@@ -15,6 +15,7 @@
  */
 
 namespace phpOMS\DataStorage\Database\Query\Grammar;
+use phpOMS\DataStorage\Database\Query\Builder;
 
 /**
  * Grammar class.

DataStorage/Database/Query/Grammar/SQLiteGrammar.php

@@ -15,6 +15,7 @@
  */
 
 namespace phpOMS\DataStorage\Database\Query\Grammar;
+use phpOMS\DataStorage\Database\Query\Builder;
 
 /**
  * Grammar class.