code cleanup

core/Driver/SQL/Query/Update.class.php

@@ -3,6 +3,7 @@
 namespace Driver\SQL\Query;
 
 use Driver\SQL\Condition\CondOr;
+use Driver\SQL\SQL;
 
 class Update extends Query {
 
@@ -10,28 +11,28 @@ class Update extends Query {
   private string $table;
   private array $conditions;
 
-  public function __construct($sql, $table) {
+  public function __construct(SQL $sql, string $table) {
     parent::__construct($sql);
     $this->values = array();
     $this->table = $table;
     $this->conditions = array();
   }
 
-  public function where(...$conditions) {
+  public function where(...$conditions): Update {
     $this->conditions[] = (count($conditions) === 1 ? $conditions : new CondOr($conditions));
     return $this;
   }
 
-  public function set($key, $val) {
+  public function set(string $key, $val): Update {
     $this->values[$key] = $val;
     return $this;
   }
 
-  public function execute() {
+  public function execute(): bool {
     return $this->sql->executeUpdate($this);
   }
 
-  public function getTable() { return $this->table; }
-  public function getConditions() { return $this->conditions; }
-  public function getValues() { return $this->values; }
+  public function getTable(): string { return $this->table; }
+  public function getConditions(): array { return $this->conditions; }
+  public function getValues(): array { return $this->values; }
 }