SQL expression rewrite, Pagination, some frontend stuff

Core/Driver/SQL/Expression/Alias.class.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Core\Driver\SQL\Expression;
+
+use Core\Driver\SQL\SQL;
+
+class Alias extends Expression {
+
+  private mixed $value;
+  private string $alias;
+
+  public function __construct(mixed $value, string $alias) {
+    $this->value = $value;
+    $this->alias = $alias;
+  }
+
+  public function getAlias(): string {
+    return $this->alias;
+  }
+
+  public function getValue(): mixed {
+    return $this->value;
+  }
+
+  protected function addValue(SQL $sql, array &$params): string {
+    return $sql->addValue($this->value, $params);
+  }
+
+  public function getExpression(SQL $sql, array &$params): string {
+    return $this->addValue($sql, $params) . " AS " . $this->getAlias();
+  }
+}