Added raw method to function builder

Author: Daniel Opitz

src/Database/FunctionBuilder.php

@@ -115,4 +115,15 @@ public function now(): FunctionExpression
     {
         return new FunctionExpression('NOW()', $this->db->getQuoter());
     }
+
+    /**
+     * Returns a Raw Expression.
+     *
+     * @param string $value A raw value. Be careful!
+     * @return RawExp Raw Expression
+     */
+    public function raw(string $value): RawExp
+    {
+        return new RawExp($value);
+    }
 }

tests/FunctionBuilderTest.php

@@ -109,4 +109,17 @@ public function testNow()
         $this->assertEquals('NOW()', $func->now());
         $this->assertEquals('NOW() AS `alias_field`', $func->now()->alias('alias_field')->getValue());
     }
+
+    /**
+     * Test.
+     *
+     * @return void
+     */
+    public function testRaw()
+    {
+        $func = $this->getConnection()->select()->func();
+
+        $this->assertInstanceOf(RawExp::class, $func->raw(''));
+        $this->assertEquals('value', $func->raw('value')->getValue());
+    }
 }